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Merge remote-tracking branch 'origin/master' into relative-flakes

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This commit is contained in:
Eelco Dolstra 2024-11-22 14:44:32 +01:00
commit 0b00bf7c09
869 changed files with 5358 additions and 7769 deletions
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50
.github/ISSUE_TEMPLATE/bug_report.md vendored
View file

@ -1,36 +1,54 @@
---
name: Bug report
about: Create a report to help us improve
about: Report unexpected or incorrect behaviour
title: ''
labels: bug
assignees: ''
---
**Describe the bug**
## Describe the bug
A clear and concise description of what the bug is.
<!--
A clear and concise description of what the bug is.
If you have a problem with a specific package or NixOS,
you probably want to file an issue at https://github.com/NixOS/nixpkgs/issues.
If you have a problem with a specific package or NixOS,
you probably want to file an issue at https://github.com/NixOS/nixpkgs/issues.
-->
**Steps To Reproduce**
## Steps To Reproduce
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error
<!--
Example:
**Expected behavior**
1. Clone this repository: ...
2. Run `nix-... ...`
3. Observe unexpected behaviour
-->
A clear and concise description of what you expected to happen.
## Expected behavior
**`nix-env --version` output**
<!-- A clear and concise description of what you expected to happen. -->
**Additional context**
## Metadata
Add any other context about the problem here.
<!-- Please insert the output of running `nix-env --version` below this line -->
**Priorities**
## Additional context
<!-- Add any other context about the problem here. -->
## Checklist
<!-- make sure this issue is not redundant or obsolete -->
- [ ] checked [latest Nix manual] \([source])
- [ ] checked [open bug issues and pull requests] for possible duplicates
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open bug issues and pull requests]: https://github.com/NixOS/nix/labels/bug
---
Add :+1: to [issues you find important](https://github.com/NixOS/nix/issues?q=is%3Aissue+is%3Aopen+sort%3Areactions-%2B1-desc).

35
.github/ISSUE_TEMPLATE/feature_request.md vendored
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@ -1,24 +1,39 @@
---
name: Feature request
about: Suggest an idea for this project
about: Suggest a new feature
title: ''
labels: feature
assignees: ''
---
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
## Is your feature request related to a problem?
**Describe the solution you'd like**
A clear and concise description of what you want to happen.
<!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.
## Proposed solution
**Additional context**
Add any other context or screenshots about the feature request here.
<!-- A clear and concise description of what you want to happen. -->
**Priorities**
## Alternative solutions
<!-- A clear and concise description of any alternative solutions or features you've considered. -->
## Additional context
<!-- Add any other context or screenshots about the feature request here. -->
## Checklist
<!-- make sure this issue is not redundant or obsolete -->
- [ ] checked [latest Nix manual] \([source])
- [ ] checked [open feature issues and pull requests] for possible duplicates
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open feature issues and pull requests]: https://github.com/NixOS/nix/labels/feature
---
Add :+1: to [issues you find important](https://github.com/NixOS/nix/issues?q=is%3Aissue+is%3Aopen+sort%3Areactions-%2B1-desc).

17
.github/ISSUE_TEMPLATE/installer.md vendored
View file

@ -23,14 +23,25 @@ assignees: ''
<details><summary>Output</summary>
```log
<!-- paste console output inside the below code block -->
<!-- paste console output here and remove this comment -->
```log
```
</details>
## Priorities
## Checklist
<!-- make sure this issue is not redundant or obsolete -->
- [ ] checked [latest Nix manual] \([source])
- [ ] checked [open installer issues and pull requests] for possible duplicates
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open installer issues and pull requests]: https://github.com/NixOS/nix/labels/installer
---
Add :+1: to [issues you find important](https://github.com/NixOS/nix/issues?q=is%3Aissue+is%3Aopen+sort%3Areactions-%2B1-desc).

4
.github/ISSUE_TEMPLATE/missing_documentation.md vendored
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@ -23,9 +23,9 @@ assignees: ''
- [ ] checked [open documentation issues and pull requests] for possible duplicates
[latest Nix manual]: https://nixos.org/manual/nix/unstable/
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/src
[source]: https://github.com/NixOS/nix/tree/master/doc/manual/source
[open documentation issues and pull requests]: https://github.com/NixOS/nix/labels/documentation
## Priorities
---
Add :+1: to [issues you find important](https://github.com/NixOS/nix/issues?q=is%3Aissue+is%3Aopen+sort%3Areactions-%2B1-desc).

8
.github/PULL_REQUEST_TEMPLATE.md vendored
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@ -17,10 +17,12 @@ so you understand the process and the expectations.
-->
# Motivation
## Motivation
<!-- Briefly explain what the change is about and why it is desirable. -->
# Context
## Context
<!-- Provide context. Reference open issues if available. -->
<!-- Non-trivial change: Briefly outline the implementation strategy. -->
@ -29,7 +31,7 @@ so you understand the process and the expectations.
<!-- Large change: Provide instructions to reviewers how to read the diff. -->
# Priorities and Process
---
Add :+1: to [pull requests you find important](https://github.com/NixOS/nix/pulls?q=is%3Aopen+sort%3Areactions-%2B1-desc).

4
.github/labeler.yml vendored
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@ -1,7 +1,7 @@
"c api":
- changed-files:
- any-glob-to-any-file: "src/lib*-c/**/*"
- any-glob-to-any-file: "test/unit/**/nix_api_*"
- any-glob-to-any-file: "src/*test*/**/nix_api_*"
- any-glob-to-any-file: "doc/external-api/**/*"
"contributor-experience":
@ -9,7 +9,7 @@
- any-glob-to-any-file: "CONTRIBUTING.md"
- any-glob-to-any-file: ".github/ISSUE_TEMPLATE/*"
- any-glob-to-any-file: ".github/PULL_REQUEST_TEMPLATE.md"
- any-glob-to-any-file: "doc/manual/src/contributing/**"
- any-glob-to-any-file: "doc/manual/source/contributing/**"
"documentation":
- changed-files:

20
.github/workflows/ci.yml vendored
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@ -20,7 +20,7 @@ jobs:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: cachix/install-nix-action@V28
- uses: cachix/install-nix-action@v30
with:
# The sandbox would otherwise be disabled by default on Darwin
extra_nix_config: "sandbox = true"
@ -89,7 +89,7 @@ jobs:
with:
fetch-depth: 0
- run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
- uses: cachix/install-nix-action@V28
- uses: cachix/install-nix-action@v30
with:
install_url: https://releases.nixos.org/nix/nix-2.20.3/install
- uses: cachix/cachix-action@v15
@ -112,7 +112,7 @@ jobs:
steps:
- uses: actions/checkout@v4
- run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
- uses: cachix/install-nix-action@V28
- uses: cachix/install-nix-action@v30
with:
install_url: '${{needs.installer.outputs.installerURL}}'
install_options: "--tarball-url-prefix https://${{ env.CACHIX_NAME }}.cachix.org/serve"
@ -128,7 +128,7 @@ jobs:
- run: exec bash -c "nix-channel --update && nix-env -iA nixpkgs.hello && hello"
docker_push_image:
needs: [check_secrets, tests]
needs: [check_secrets, tests, vm_tests]
permissions:
contents: read
packages: write
@ -142,7 +142,7 @@ jobs:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- uses: cachix/install-nix-action@V28
- uses: cachix/install-nix-action@v30
with:
install_url: https://releases.nixos.org/nix/nix-2.20.3/install
- run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
@ -194,7 +194,13 @@ jobs:
- uses: actions/checkout@v4
- uses: DeterminateSystems/nix-installer-action@main
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: nix build -L .#hydraJobs.tests.githubFlakes .#hydraJobs.tests.tarballFlakes .#hydraJobs.tests.functional_user
- run: |
nix build -L \
.#hydraJobs.tests.functional_user \
.#hydraJobs.tests.githubFlakes \
.#hydraJobs.tests.nix-docker \
.#hydraJobs.tests.tarballFlakes \
;
flake_regressions:
needs: vm_tests
@ -214,4 +220,4 @@ jobs:
path: flake-regressions/tests
- uses: DeterminateSystems/nix-installer-action@main
- uses: DeterminateSystems/magic-nix-cache-action@main
- run: nix build --out-link ./new-nix && PATH=$(pwd)/new-nix/bin:$PATH scripts/flake-regressions.sh
- run: nix build -L --out-link ./new-nix && PATH=$(pwd)/new-nix/bin:$PATH MAX_FLAKES=25 flake-regressions/eval-all.sh

35
.gitignore vendored
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@ -23,17 +23,17 @@ perl/Makefile.config
/doc/manual/conf-file.json
/doc/manual/language.json
/doc/manual/xp-features.json
/doc/manual/src/SUMMARY.md
/doc/manual/src/SUMMARY-rl-next.md
/doc/manual/src/store/types/*
!/doc/manual/src/store/types/index.md.in
/doc/manual/src/command-ref/new-cli
/doc/manual/src/command-ref/conf-file.md
/doc/manual/src/command-ref/experimental-features-shortlist.md
/doc/manual/src/contributing/experimental-feature-descriptions.md
/doc/manual/src/language/builtins.md
/doc/manual/src/language/builtin-constants.md
/doc/manual/src/release-notes/rl-next.md
/doc/manual/source/SUMMARY.md
/doc/manual/source/SUMMARY-rl-next.md
/doc/manual/source/store/types/*
!/doc/manual/source/store/types/index.md.in
/doc/manual/source/command-ref/new-cli
/doc/manual/source/command-ref/conf-file.md
/doc/manual/source/command-ref/experimental-features-shortlist.md
/doc/manual/source/contributing/experimental-feature-descriptions.md
/doc/manual/source/language/builtins.md
/doc/manual/source/language/builtin-constants.md
/doc/manual/source/release-notes/rl-next.md
# /scripts/
/scripts/nix-profile.sh
@ -49,22 +49,22 @@ perl/Makefile.config
/src/libexpr/parser-tab.output
/src/libexpr/nix.tbl
/src/libexpr/tests
/tests/unit/libexpr/libnixexpr-tests
/src/libexpr-tests/libnixexpr-tests
# /src/libfetchers
/tests/unit/libfetchers/libnixfetchers-tests
/src/libfetchers-tests/libnixfetchers-tests
# /src/libflake
/tests/unit/libflake/libnixflake-tests
/src/libflake-tests/libnixflake-tests
# /src/libstore/
*.gen.*
/src/libstore/tests
/tests/unit/libstore/libnixstore-tests
/src/libstore-tests/libnixstore-tests
# /src/libutil/
/src/libutil/tests
/tests/unit/libutil/libnixutil-tests
/src/libutil-tests/libnixutil-tests
/src/nix/nix
@ -102,9 +102,6 @@ perl/Makefile.config
/tests/functional/restricted-innocent
/tests/functional/shell
/tests/functional/shell.drv
/tests/functional/config.nix
/tests/functional/ca/config.nix
/tests/functional/dyn-drv/config.nix
/tests/functional/repl-result-out
/tests/functional/debugger-test-out
/tests/functional/test-libstoreconsumer/test-libstoreconsumer

2
.version
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@ -1 +1 @@
2.25.0
2.26.0

4
CONTRIBUTING.md
View file

@ -79,7 +79,7 @@ Check out the [security policy](https://github.com/NixOS/nix/security/policy).
- Functional tests – [`tests/functional/**.sh`](./tests/functional)
- Unit tests – [`src/*/tests`](./src/)
- Integration tests – [`tests/nixos/*`](./tests/nixos)
- [ ] User documentation in the [manual](./doc/manual/src)
- [ ] User documentation in the [manual](./doc/manual/source)
- [ ] API documentation in header files
- [ ] Code and comments are self-explanatory
- [ ] Commit message explains **why** the change was made
@ -90,7 +90,7 @@ Check out the [security policy](https://github.com/NixOS/nix/security/policy).
## Making changes to the Nix manual
The Nix reference manual is hosted on https://nixos.org/manual/nix.
The underlying source files are located in [`doc/manual/src`](./doc/manual/src).
The underlying source files are located in [`doc/manual/source`](./doc/manual/source).
For small changes you can [use GitHub to edit these files](https://docs.github.com/en/repositories/working-with-files/managing-files/editing-files)
For larger changes see the [Nix reference manual](https://nix.dev/manual/nix/development/development/contributing.html).

2
HACKING.md
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@ -1 +1 @@
doc/manual/src/development/building.md
doc/manual/source/development/building.md

128
Makefile
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@ -1,128 +0,0 @@
# External build directory support
include mk/build-dir.mk
-include $(buildprefix)Makefile.config
clean-files += $(buildprefix)Makefile.config
# List makefiles
include mk/platform.mk
ifeq ($(ENABLE_BUILD), yes)
makefiles = \
mk/precompiled-headers.mk \
local.mk \
src/libutil/local.mk \
src/libstore/local.mk \
src/libfetchers/local.mk \
src/libmain/local.mk \
src/libexpr/local.mk \
src/libflake/local.mk \
src/libcmd/local.mk \
src/nix/local.mk \
src/libutil-c/local.mk \
src/libstore-c/local.mk \
src/libexpr-c/local.mk
ifdef HOST_UNIX
makefiles += \
scripts/local.mk \
maintainers/local.mk \
misc/bash/local.mk \
misc/fish/local.mk \
misc/zsh/local.mk \
misc/systemd/local.mk \
misc/launchd/local.mk \
misc/upstart/local.mk
endif
endif
ifeq ($(ENABLE_UNIT_TESTS), yes)
makefiles += \
tests/unit/libutil/local.mk \
tests/unit/libutil-support/local.mk \
tests/unit/libstore/local.mk \
tests/unit/libstore-support/local.mk \
tests/unit/libfetchers/local.mk \
tests/unit/libexpr/local.mk \
tests/unit/libexpr-support/local.mk \
tests/unit/libflake/local.mk
endif
ifeq ($(ENABLE_FUNCTIONAL_TESTS), yes)
ifdef HOST_UNIX
makefiles += \
tests/functional/local.mk \
tests/functional/flakes/local.mk \
tests/functional/ca/local.mk \
tests/functional/git-hashing/local.mk \
tests/functional/dyn-drv/local.mk \
tests/functional/local-overlay-store/local.mk \
tests/functional/test-libstoreconsumer/local.mk \
tests/functional/plugins/local.mk
endif
endif
# Some makefiles require access to built programs and must be included late.
makefiles-late =
ifeq ($(ENABLE_DOC_GEN), yes)
makefiles-late += doc/manual/local.mk
endif
# Miscellaneous global Flags
OPTIMIZE = 1
ifeq ($(OPTIMIZE), 1)
GLOBAL_CXXFLAGS += -O3 $(CXXLTO)
GLOBAL_LDFLAGS += $(CXXLTO)
else
GLOBAL_CXXFLAGS += -O0 -U_FORTIFY_SOURCE
unexport NIX_HARDENING_ENABLE
endif
ifdef HOST_WINDOWS
# Windows DLLs are stricter about symbol visibility than Unix shared
# objects --- see https://gcc.gnu.org/wiki/Visibility for details.
# This is a temporary sledgehammer to export everything like on Unix,
# and not detail with this yet.
#
# TODO do not do this, and instead do fine-grained export annotations.
GLOBAL_LDFLAGS += -Wl,--export-all-symbols
endif
GLOBAL_CXXFLAGS += -g -Wall -Wdeprecated-copy -Wignored-qualifiers -Wimplicit-fallthrough -Werror=unused-result -Werror=suggest-override -include $(buildprefix)config.h -std=c++2a -I src
# Include the main lib, causing rules to be defined
include mk/lib.mk
# Fallback stub rules for better UX when things are disabled
#
# These must be defined after `mk/lib.mk`. Otherwise the first rule
# incorrectly becomes the default target.
ifneq ($(ENABLE_UNIT_TESTS), yes)
.PHONY: check
check:
@echo "Unit tests are disabled. Configure without '--disable-unit-tests', or avoid calling 'make check'."
@exit 1
endif
ifneq ($(ENABLE_FUNCTIONAL_TESTS), yes)
.PHONY: installcheck
installcheck:
@echo "Functional tests are disabled. Configure without '--disable-functional-tests', or avoid calling 'make installcheck'."
@exit 1
endif
# Documentation fallback stub rules.
ifneq ($(ENABLE_DOC_GEN), yes)
.PHONY: manual-html manpages
manual-html manpages:
@echo "Generated docs are disabled. Configure without '--disable-doc-gen', or avoid calling 'make manpages' and 'make manual-html'."
@exit 1
endif

54
Makefile.config.in
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@ -1,54 +0,0 @@
AR = @AR@
BDW_GC_LIBS = @BDW_GC_LIBS@
BOOST_LDFLAGS = @BOOST_LDFLAGS@
BUILD_SHARED_LIBS = @BUILD_SHARED_LIBS@
CC = @CC@
CFLAGS = @CFLAGS@
CXX = @CXX@
CXXFLAGS = @CXXFLAGS@
CXXLTO = @CXXLTO@
EDITLINE_LIBS = @EDITLINE_LIBS@
ENABLE_BUILD = @ENABLE_BUILD@
ENABLE_DOC_GEN = @ENABLE_DOC_GEN@
ENABLE_FUNCTIONAL_TESTS = @ENABLE_FUNCTIONAL_TESTS@
ENABLE_S3 = @ENABLE_S3@
ENABLE_UNIT_TESTS = @ENABLE_UNIT_TESTS@
GTEST_LIBS = @GTEST_LIBS@
HAVE_LIBCPUID = @HAVE_LIBCPUID@
HAVE_SECCOMP = @HAVE_SECCOMP@
HOST_OS = @host_os@
INSTALL_UNIT_TESTS = @INSTALL_UNIT_TESTS@
LDFLAGS = @LDFLAGS@
LIBARCHIVE_LIBS = @LIBARCHIVE_LIBS@
LIBBROTLI_LIBS = @LIBBROTLI_LIBS@
LIBCURL_LIBS = @LIBCURL_LIBS@
LIBGIT2_LIBS = @LIBGIT2_LIBS@
LIBSECCOMP_LIBS = @LIBSECCOMP_LIBS@
LOWDOWN_LIBS = @LOWDOWN_LIBS@
OPENSSL_LIBS = @OPENSSL_LIBS@
PACKAGE_NAME = @PACKAGE_NAME@
PACKAGE_VERSION = @PACKAGE_VERSION@
SHELL = @bash@
SODIUM_LIBS = @SODIUM_LIBS@
SQLITE3_LIBS = @SQLITE3_LIBS@
bash = @bash@
bindir = @bindir@
checkbindir = @checkbindir@
checklibdir = @checklibdir@
datadir = @datadir@
datarootdir = @datarootdir@
docdir = @docdir@
embedded_sandbox_shell = @embedded_sandbox_shell@
exec_prefix = @exec_prefix@
includedir = @includedir@
libdir = @libdir@
libexecdir = @libexecdir@
localstatedir = @localstatedir@
lsof = @lsof@
mandir = @mandir@
pkglibdir = $(libdir)/$(PACKAGE_NAME)
prefix = @prefix@
sandbox_shell = @sandbox_shell@
storedir = @storedir@
sysconfdir = @sysconfdir@
system = @system@

22
build-utils-meson/common/meson.build Normal file
View file

@ -0,0 +1,22 @@
# This is only conditional to work around
# https://github.com/mesonbuild/meson/issues/13293. It should be
# unconditional.
if not (host_machine.system() == 'windows' and cxx.get_id() == 'gcc')
deps_private += dependency('threads')
endif
add_project_arguments(
'-Wdeprecated-copy',
'-Werror=suggest-override',
'-Werror=switch',
'-Werror=switch-enum',
'-Werror=unused-result',
'-Wignored-qualifiers',
'-Wimplicit-fallthrough',
'-Wno-deprecated-declarations',
language : 'cpp',
)
if get_option('buildtype') not in ['debug']
add_project_arguments('-O3', language : 'cpp')
endif

11
build-utils-meson/diagnostics/meson.build
View file

@ -1,11 +0,0 @@
add_project_arguments(
'-Wdeprecated-copy',
'-Werror=suggest-override',
'-Werror=switch',
'-Werror=switch-enum',
'-Werror=unused-result',
'-Wignored-qualifiers',
'-Wimplicit-fallthrough',
'-Wno-deprecated-declarations',
language : 'cpp',
)

8
build-utils-meson/libatomic/meson.build Normal file
View file

@ -0,0 +1,8 @@
# Check if -latomic is needed
# This is needed for std::atomic on some platforms
# We did not manage to test this reliably on all platforms, so we hardcode
# it for now.
if host_machine.cpu_family() == 'arm'
deps_other += cxx.find_library('atomic')
endif

6
build-utils-meson/threads/meson.build
View file

@ -1,6 +0,0 @@
# This is only conditional to work around
# https://github.com/mesonbuild/meson/issues/13293. It should be
# unconditional.
if not (host_machine.system() == 'windows' and cxx.get_id() == 'gcc')
deps_private += dependency('threads')
endif

6
build-utils-meson/windows-version/meson.build Normal file
View file

@ -0,0 +1,6 @@
if host_machine.system() == 'windows'
# https://learn.microsoft.com/en-us/cpp/porting/modifying-winver-and-win32-winnt?view=msvc-170
# #define _WIN32_WINNT_WIN8 0x0602
# We currently don't use any API which requires higher than this.
add_project_arguments([ '-D_WIN32_WINNT=0x0602' ], language: 'cpp')
endif

527
config/install-sh
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@ -1,527 +0,0 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2011-11-20.07; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# 'make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
nl='
'
IFS=" "" $nl"
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit=${DOITPROG-}
if test -z "$doit"; then
doit_exec=exec
else
doit_exec=$doit
fi
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_glob='?'
initialize_posix_glob='
test "$posix_glob" != "?" || {
if (set -f) 2>/dev/null; then
posix_glob=
else
posix_glob=:
fi
}
'
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
no_target_directory=
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *' '* | *'
'* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t) dst_arg=$2
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
shift;;
-T) no_target_directory=true;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call 'install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
do_exit='(exit $ret); exit $ret'
trap "ret=129; $do_exit" 1
trap "ret=130; $do_exit" 2
trap "ret=141; $do_exit" 13
trap "ret=143; $do_exit" 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
# Protect names problematic for 'test' and other utilities.
case $src in
-* | [=\(\)!]) src=./$src;;
esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
if test -d "$dst"; then
if test -n "$no_target_directory"; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
dst=$dstdir/`basename "$src"`
dstdir_status=0
else
# Prefer dirname, but fall back on a substitute if dirname fails.
dstdir=`
(dirname "$dst") 2>/dev/null ||
expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$dst" : 'X\(//\)[^/]' \| \
X"$dst" : 'X\(//\)$' \| \
X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
echo X"$dst" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
}
/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
}
/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'
`
test -d "$dstdir"
dstdir_status=$?
fi
fi
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
case $posix_mkdir in
'')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
umask=`umask`
case $stripcmd.$umask in
# Optimize common cases.
*[2367][2367]) mkdir_umask=$umask;;
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
*[0-7])
mkdir_umask=`expr $umask + 22 \
- $umask % 100 % 40 + $umask % 20 \
- $umask % 10 % 4 + $umask % 2
`;;
*) mkdir_umask=$umask,go-w;;
esac
# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
if test -n "$dir_arg"; then
mkdir_mode=-m$mode
else
mkdir_mode=
fi
posix_mkdir=false
case $umask in
*[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
if (umask $mkdir_umask &&
exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
ls_ld_tmpdir=`ls -ld "$tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
$mkdirprog -m$different_mode -p -- "$tmpdir" && {
ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
rmdir "$tmpdir/d" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
[-=\(\)!]*) prefix='./';;
*) prefix='';;
esac
eval "$initialize_posix_glob"
oIFS=$IFS
IFS=/
$posix_glob set -f
set fnord $dstdir
shift
$posix_glob set +f
IFS=$oIFS
prefixes=
for d
do
test X"$d" = X && continue
prefix=$prefix$d
if test -d "$prefix"; then
prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
else
case $prefix in
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
*) qprefix=$prefix;;
esac
prefixes="$prefixes '$qprefix'"
fi
fi
prefix=$prefix/
done
if test -n "$prefixes"; then
# Don't fail if two instances are running concurrently.
(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
else
# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/_inst.$$_
rmtmp=$dstdir/_rm.$$_
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
# Copy the file name to the temp name.
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $cpprog $src $dsttmp" command.
#
{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
# If -C, don't bother to copy if it wouldn't change the file.
if $copy_on_change &&
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
eval "$initialize_posix_glob" &&
$posix_glob set -f &&
set X $old && old=:$2:$4:$5:$6 &&
set X $new && new=:$2:$4:$5:$6 &&
$posix_glob set +f &&
test "$old" = "$new" &&
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
then
rm -f "$dsttmp"
else
# Rename the file to the real destination.
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
# The rename failed, perhaps because mv can't rename something else
# to itself, or perhaps because mv is so ancient that it does not
# support -f.
{
# Now remove or move aside any old file at destination location.
# We try this two ways since rm can't unlink itself on some
# systems and the destination file might be busy for other
# reasons. In this case, the final cleanup might fail but the new
# file should still install successfully.
{
test ! -f "$dst" ||
$doit $rmcmd -f "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1
}
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dst"
}
fi || exit 1
trap '' 0
fi
done
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

447
configure.ac
View file

@ -1,447 +0,0 @@
AC_INIT([nix],[m4_esyscmd(bash -c "echo -n $(cat ./.version)$VERSION_SUFFIX")])
AC_CONFIG_MACRO_DIRS([m4])
AC_CONFIG_SRCDIR(README.md)
AC_CONFIG_AUX_DIR(config)
AC_PROG_SED
# Construct a Nix system name (like "i686-linux"):
# https://www.gnu.org/software/autoconf/manual/html_node/Canonicalizing.html#index-AC_005fCANONICAL_005fHOST-1
# The inital value is produced by the `config/config.guess` script:
# upstream: https://git.savannah.gnu.org/cgit/config.git/tree/config.guess
# It has the following form, which is not documented anywhere:
# <cpu>-<vendor>-<os>[<version>][-<abi>]
# If `./configure` is passed any of the `--host`, `--build`, `--target` options, the value comes from `config/config.sub` instead:
# upstream: https://git.savannah.gnu.org/cgit/config.git/tree/config.sub
AC_CANONICAL_HOST
AC_MSG_CHECKING([for the canonical Nix system name])
AC_ARG_WITH(system, AS_HELP_STRING([--with-system=SYSTEM],[Platform identifier (e.g., `i686-linux').]),
[system=$withval],
[case "$host_cpu" in
i*86)
machine_name="i686";;
amd64)
machine_name="x86_64";;
armv6|armv7)
machine_name="${host_cpu}l";;
*)
machine_name="$host_cpu";;
esac
case "$host_os" in
linux-gnu*|linux-musl*)
# For backward compatibility, strip the `-gnu' part.
system="$machine_name-linux";;
*)
# Strip the version number from names such as `gnu0.3',
# `darwin10.2.0', etc.
system="$machine_name-`echo $host_os | "$SED" -e's/@<:@0-9.@:>@*$//g'`";;
esac])
AC_MSG_RESULT($system)
AC_SUBST(system)
AC_DEFINE_UNQUOTED(SYSTEM, ["$system"], [platform identifier ('cpu-os')])
# State should be stored in /nix/var, unless the user overrides it explicitly.
test "$localstatedir" = '${prefix}/var' && localstatedir=/nix/var
# Assign a default value to C{,XX}FLAGS as the default configure script sets them
# to -O2 otherwise, which we don't want to have hardcoded
CFLAGS=${CFLAGS-""}
CXXFLAGS=${CXXFLAGS-""}
AC_PROG_CC
AC_PROG_CXX
AC_PROG_CPP
AC_CHECK_TOOL([AR], [ar])
# Use 64-bit file system calls so that we can support files > 2 GiB.
AC_SYS_LARGEFILE
# Solaris-specific stuff.
case "$host_os" in
solaris*)
# Solaris requires -lsocket -lnsl for network functions
LDFLAGS="-lsocket -lnsl $LDFLAGS"
;;
esac
ENSURE_NO_GCC_BUG_80431
# Check for pubsetbuf.
AC_MSG_CHECKING([for pubsetbuf])
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iostream>
using namespace std;
static char buf[1024];]],
[[cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));]])],
[AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PUBSETBUF, 1, [Whether pubsetbuf is available.])],
AC_MSG_RESULT(no))
AC_LANG_POP(C++)
AC_CHECK_FUNCS([statvfs pipe2 close_range])
# Check for lutimes, optionally used for changing the mtime of
# symlinks.
AC_CHECK_FUNCS([lutimes])
# Check whether the store optimiser can optimise symlinks.
AC_MSG_CHECKING([whether it is possible to create a link to a symlink])
ln -s bla tmp_link
if ln tmp_link tmp_link2 2> /dev/null; then
AC_MSG_RESULT(yes)
AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.])
else
AC_MSG_RESULT(no)
fi
rm -f tmp_link tmp_link2
# Check for <locale>.
AC_LANG_PUSH(C++)
AC_CHECK_HEADERS([locale])
AC_LANG_POP(C++)
AC_DEFUN([NEED_PROG],
[
AC_PATH_PROG($1, $2)
if test -z "$$1"; then
AC_MSG_ERROR([$2 is required])
fi
])
NEED_PROG(bash, bash)
AC_PATH_PROG(flex, flex, false)
AC_PATH_PROG(bison, bison, false)
AC_PATH_PROG(dot, dot)
AC_PATH_PROG(lsof, lsof, lsof)
AC_SUBST(coreutils, [$(dirname $(type -p cat))])
AC_ARG_WITH(store-dir, AS_HELP_STRING([--with-store-dir=PATH],[path of the Nix store (defaults to /nix/store)]),
storedir=$withval, storedir='/nix/store')
AC_SUBST(storedir)
# Running the functional tests without building Nix is useful for testing
# different pre-built versions of Nix against each other.
AC_ARG_ENABLE(build, AS_HELP_STRING([--disable-build],[Do not build nix]),
ENABLE_BUILD=$enableval, ENABLE_BUILD=yes)
AC_SUBST(ENABLE_BUILD)
# Building without unit tests is useful for bootstrapping with a smaller footprint
# or running the tests in a separate derivation. Otherwise, we do compile and
# run them.
AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--disable-unit-tests],[Do not build the tests]),
ENABLE_UNIT_TESTS=$enableval, ENABLE_UNIT_TESTS=$ENABLE_BUILD)
AC_SUBST(ENABLE_UNIT_TESTS)
AS_IF(
[test "$ENABLE_BUILD" == "no" && test "$ENABLE_UNIT_TESTS" == "yes"],
[AC_MSG_ERROR([Cannot enable unit tests when building overall is disabled. Please do not pass '--enable-unit-tests' or do not pass '--disable-build'.])])
AC_ARG_ENABLE(functional-tests, AS_HELP_STRING([--disable-functional-tests],[Do not build the tests]),
ENABLE_FUNCTIONAL_TESTS=$enableval, ENABLE_FUNCTIONAL_TESTS=yes)
AC_SUBST(ENABLE_FUNCTIONAL_TESTS)
# documentation generation switch
AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation generation]),
ENABLE_DOC_GEN=$enableval, ENABLE_DOC_GEN=$ENABLE_BUILD)
AC_SUBST(ENABLE_DOC_GEN)
AS_IF(
[test "$ENABLE_BUILD" == "no" && test "$ENABLE_DOC_GEN" == "yes"],
[AC_MSG_ERROR([Cannot enable generated docs when building overall is disabled. Please do not pass '--enable-doc-gen' or do not pass '--disable-build'.])])
AS_IF(
[test "$ENABLE_FUNCTIONAL_TESTS" == "yes" || test "$ENABLE_DOC_GEN" == "yes"],
[NEED_PROG(jq, jq)])
AS_IF([test "$ENABLE_BUILD" == "yes"],[
# Look for boost, a required dependency.
# Note that AX_BOOST_BASE only exports *CPP* BOOST_CPPFLAGS, no CXX flags,
# and CPPFLAGS are not passed to the C++ compiler automatically.
# Thus we append the returned CPPFLAGS to the CXXFLAGS here.
AX_BOOST_BASE([1.66], [CXXFLAGS="$BOOST_CPPFLAGS $CXXFLAGS"], [AC_MSG_ERROR([Nix requires boost.])])
# For unknown reasons, setting this directly in the ACTION-IF-FOUND above
# ends up with LDFLAGS being empty, so we set it afterwards.
LDFLAGS="$BOOST_LDFLAGS $LDFLAGS"
# On some platforms, new-style atomics need a helper library
AC_MSG_CHECKING(whether -latomic is needed)
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
uint64_t v;
int main() {
return (int)__atomic_load_n(&v, __ATOMIC_ACQUIRE);
}]])], GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=no, GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=yes)
AC_MSG_RESULT($GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC)
if test "x$GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC" = xyes; then
LDFLAGS="-latomic $LDFLAGS"
fi
AC_ARG_ENABLE(install-unit-tests, AS_HELP_STRING([--enable-install-unit-tests],[Install the unit tests for running later (default no)]),
INSTALL_UNIT_TESTS=$enableval, INSTALL_UNIT_TESTS=no)
AC_SUBST(INSTALL_UNIT_TESTS)
AC_ARG_WITH(check-bin-dir, AS_HELP_STRING([--with-check-bin-dir=PATH],[path to install unit tests for running later (defaults to $libexecdir/nix)]),
checkbindir=$withval, checkbindir=$libexecdir/nix)
AC_SUBST(checkbindir)
AC_ARG_WITH(check-lib-dir, AS_HELP_STRING([--with-check-lib-dir=PATH],[path to install unit tests for running later (defaults to $libdir)]),
checklibdir=$withval, checklibdir=$libdir)
AC_SUBST(checklibdir)
# LTO is currently broken with clang for unknown reasons; ld segfaults in the llvm plugin
AC_ARG_ENABLE(lto, AS_HELP_STRING([--enable-lto],[Enable LTO (only supported with GCC) [default=no]]),
lto=$enableval, lto=no)
if test "$lto" = yes; then
if $CXX --version | grep -q GCC; then
AC_SUBST(CXXLTO, [-flto=jobserver])
else
echo "error: LTO is only supported with GCC at the moment" >&2
exit 1
fi
else
AC_SUBST(CXXLTO, [""])
fi
PKG_PROG_PKG_CONFIG
AC_ARG_ENABLE(shared, AS_HELP_STRING([--enable-shared],[Build shared libraries for Nix [default=yes]]),
shared=$enableval, shared=yes)
if test "$shared" = yes; then
AC_SUBST(BUILD_SHARED_LIBS, 1, [Whether to build shared libraries.])
else
AC_SUBST(BUILD_SHARED_LIBS, 0, [Whether to build shared libraries.])
PKG_CONFIG="$PKG_CONFIG --static"
fi
# Look for OpenSSL, a required dependency. FIXME: this is only (maybe)
# used by S3BinaryCacheStore.
PKG_CHECK_MODULES([OPENSSL], [libcrypto >= 1.1.1], [CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS"])
# Look for libarchive.
PKG_CHECK_MODULES([LIBARCHIVE], [libarchive >= 3.1.2], [CXXFLAGS="$LIBARCHIVE_CFLAGS $CXXFLAGS"])
# Workaround until https://github.com/libarchive/libarchive/issues/1446 is fixed
if test "$shared" != yes; then
LIBARCHIVE_LIBS+=' -lz'
fi
# Look for SQLite, a required dependency.
PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$SQLITE3_CFLAGS $CXXFLAGS"])
# Look for libcurl, a required dependency.
PKG_CHECK_MODULES([LIBCURL], [libcurl], [CXXFLAGS="$LIBCURL_CFLAGS $CXXFLAGS"])
# Look for editline or readline, a required dependency.
# The the libeditline.pc file was added only in libeditline >= 1.15.2,
# see https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607,
# Older versions are no longer supported.
AC_ARG_WITH(
[readline-flavor],
AS_HELP_STRING([--with-readline-flavor],[Which library to use for nice line editting with the Nix language REPL" [default=editline]]),
[readline_flavor=$withval],
[readline_flavor=editline])
AS_CASE(["$readline_flavor"],
[editline], [
readline_flavor_pc=libeditline
],
[readline], [
readline_flavor_pc=readline
AC_DEFINE([USE_READLINE], [1], [Use readline instead of editline])
],
[AC_MSG_ERROR([bad value "$readline_flavor" for --with-readline-flavor, must be one of: editline, readline])])
PKG_CHECK_MODULES([EDITLINE], [$readline_flavor_pc], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLAGS"])
# Look for libsodium.
PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
# Look for libbrotli{enc,dec}.
PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"])
# Look for libcpuid.
have_libcpuid=
if test "$machine_name" = "x86_64"; then
AC_ARG_ENABLE([cpuid],
AS_HELP_STRING([--disable-cpuid], [Do not determine microarchitecture levels with libcpuid (relevant to x86_64 only)]))
if test "x$enable_cpuid" != "xno"; then
PKG_CHECK_MODULES([LIBCPUID], [libcpuid],
[CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"
have_libcpuid=1
AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])]
)
fi
fi
AC_SUBST(HAVE_LIBCPUID, [$have_libcpuid])
# Look for libseccomp, required for Linux sandboxing.
case "$host_os" in
linux*)
AC_ARG_ENABLE([seccomp-sandboxing],
AS_HELP_STRING([--disable-seccomp-sandboxing],[Don't build support for seccomp sandboxing (only recommended if your arch doesn't support libseccomp yet!)
]))
if test "x$enable_seccomp_sandboxing" != "xno"; then
PKG_CHECK_MODULES([LIBSECCOMP], [libseccomp],
[CXXFLAGS="$LIBSECCOMP_CFLAGS $CXXFLAGS" CFLAGS="$LIBSECCOMP_CFLAGS $CFLAGS"])
have_seccomp=1
AC_DEFINE([HAVE_SECCOMP], [1], [Whether seccomp is available and should be used for sandboxing.])
AC_COMPILE_IFELSE([
AC_LANG_SOURCE([[
#include <seccomp.h>
#ifndef __SNR_fchmodat2
# error "Missing support for fchmodat2"
#endif
]])
], [], [
echo "libseccomp is missing __SNR_fchmodat2. Please provide libseccomp 2.5.5 or later"
exit 1
])
else
have_seccomp=
fi
;;
*)
have_seccomp=
;;
esac
AC_SUBST(HAVE_SECCOMP, [$have_seccomp])
# Optional dependencies for better normalizing file system data
AC_CHECK_HEADERS([sys/xattr.h])
AS_IF([test "$ac_cv_header_sys_xattr_h" = "yes"],[
AC_CHECK_FUNCS([llistxattr lremovexattr])
AS_IF([test "$ac_cv_func_llistxattr" = "yes" && test "$ac_cv_func_lremovexattr" = "yes"],[
AC_DEFINE([HAVE_ACL_SUPPORT], [1], [Define if we can manipulate file system Access Control Lists])
])
])
# Look for aws-cpp-sdk-s3.
AC_LANG_PUSH(C++)
AC_CHECK_HEADERS([aws/s3/S3Client.h],
[AC_DEFINE([ENABLE_S3], [1], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=1],
[AC_DEFINE([ENABLE_S3], [0], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=])
AC_SUBST(ENABLE_S3, [$enable_s3])
AC_LANG_POP(C++)
# Whether to use the Boehm garbage collector.
AC_ARG_ENABLE(gc, AS_HELP_STRING([--enable-gc],[enable garbage collection in the Nix expression evaluator (requires Boehm GC) [default=yes]]),
gc=$enableval, gc=yes)
if test "$gc" = yes; then
PKG_CHECK_MODULES([BDW_GC], [bdw-gc])
CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS"
AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.])
# See `fixupBoehmStackPointer`, for the integration between Boehm GC
# and Boost coroutines.
old_CFLAGS="$CFLAGS"
# Temporary set `-pthread` just for the next check
CFLAGS="$CFLAGS -pthread"
AC_CHECK_FUNCS([pthread_attr_get_np pthread_getattr_np])
CFLAGS="$old_CFLAGS"
fi
AS_IF([test "$ENABLE_UNIT_TESTS" == "yes"],[
# Look for gtest.
PKG_CHECK_MODULES([GTEST], [gtest_main gmock_main])
# Look for rapidcheck.
PKG_CHECK_MODULES([RAPIDCHECK], [rapidcheck rapidcheck_gtest])
])
# Look for nlohmann/json.
PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9])
# Look for lowdown library.
AC_ARG_ENABLE([markdown], AS_HELP_STRING([--enable-markdown], [Enable Markdown rendering in the Nix binary (requires lowdown) [default=auto]]),
enable_markdown=$enableval, enable_markdown=auto)
AS_CASE(["$enable_markdown"],
[yes | auto], [
PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [
CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"
have_lowdown=1
AC_DEFINE(HAVE_LOWDOWN, 1, [Whether lowdown is available and should be used for Markdown rendering.])
], [
AS_IF([test "x$enable_markdown" == "xyes"], [AC_MSG_ERROR([--enable-markdown was specified, but lowdown was not found.])])
])
],
[no], [have_lowdown=],
[AC_MSG_ERROR([bad value "$enable_markdown" for --enable-markdown, must be one of: yes, no, auto])])
# Look for libgit2.
PKG_CHECK_MODULES([LIBGIT2], [libgit2])
# Look for toml11, a required dependency.
AC_LANG_PUSH(C++)
AC_CHECK_HEADER([toml.hpp], [], [AC_MSG_ERROR([toml11 is not found.])])
AC_LANG_POP(C++)
# Setuid installations.
AC_CHECK_FUNCS([setresuid setreuid lchown])
# Nice to have, but not essential.
AC_CHECK_FUNCS([strsignal posix_fallocate sysconf])
AC_ARG_WITH(sandbox-shell, AS_HELP_STRING([--with-sandbox-shell=PATH],[path of a statically-linked shell to use as /bin/sh in sandboxes]),
sandbox_shell=$withval)
AC_SUBST(sandbox_shell)
if test ${cross_compiling:-no} = no && ! test -z ${sandbox_shell+x}; then
AC_MSG_CHECKING([whether sandbox-shell has the standalone feature])
# busybox shell sometimes allows executing other busybox applets,
# even if they are not in the path, breaking our sandbox
if PATH= $sandbox_shell -c "busybox" 2>&1 | grep -qv "not found"; then
AC_MSG_RESULT(enabled)
AC_MSG_ERROR([Please disable busybox FEATURE_SH_STANDALONE])
else
AC_MSG_RESULT(disabled)
fi
fi
AC_ARG_ENABLE(embedded-sandbox-shell, AS_HELP_STRING([--enable-embedded-sandbox-shell],[include the sandbox shell in the Nix binary [default=no]]),
embedded_sandbox_shell=$enableval, embedded_sandbox_shell=no)
AC_SUBST(embedded_sandbox_shell)
if test "$embedded_sandbox_shell" = yes; then
AC_DEFINE(HAVE_EMBEDDED_SANDBOX_SHELL, 1, [Include the sandbox shell in the Nix binary.])
fi
])
# Expand all variables in config.status.
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix='${prefix}'
for name in $ac_subst_vars; do
declare $name="$(eval echo "${!name}")"
declare $name="$(eval echo "${!name}")"
declare $name="$(eval echo "${!name}")"
done
rm -f Makefile.config
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([])
AC_OUTPUT

1
doc/manual/.version Symbolic link
View file

@ -0,0 +1 @@
../../.version

15
doc/manual/book.toml
View file

@ -1,5 +1,6 @@
[book]
title = "Nix Reference Manual"
src = "source"
[output.html]
additional-css = ["custom.css"]
@ -7,9 +8,21 @@ additional-js = ["redirects.js"]
edit-url-template = "https://github.com/NixOS/nix/tree/master/doc/manual/{path}"
git-repository-url = "https://github.com/NixOS/nix"
# Handles replacing @docroot@ with a path to ./source relative to that markdown file,
# {{#include handlebars}}, and the @generated@ syntax used within these. it mostly
# but not entirely replaces the links preprocessor (which we cannot simply use due
# to @generated@ files living in a different directory to make meson happy). we do
# not want to disable the links preprocessor entirely though because that requires
# disabling *all* built-in preprocessors and selectively reenabling those we want.
[preprocessor.substitute]
command = "python3 ./substitute.py"
before = ["anchors", "links"]
[preprocessor.anchors]
renderers = ["html"]
command = "jq --from-file doc/manual/anchors.jq"
command = "jq --from-file ./anchors.jq"
[output.markdown]
[output.linkcheck]
# no Internet during the build (in the sandbox)

22
doc/manual/generate-deps.py Executable file
View file

@ -0,0 +1,22 @@
#!/usr/bin/env python3
import glob
import sys
# meson expects makefile-style dependency declarations, i.e.
#
# target: dependency...
#
# meson seems to pass depfiles straight on to ninja even though
# it also parses the file itself (or at least has code to do so
# in its tree), so we must live by ninja's rules: only slashes,
# spaces and octothorpes can be escaped, anything else is taken
# literally. since the rules for these aren't even the same for
# all three we will just fail when we encounter any of them (if
# asserts are off for some reason the depfile will likely point
# to nonexistant paths, making everything phony and thus fine.)
for path in glob.glob(sys.argv[1] + '/**', recursive=True):
assert '\\' not in path
assert ' ' not in path
assert '#' not in path
print("ignored:", path)

2
doc/manual/generate-store-types.nix
View file

@ -21,7 +21,7 @@ let
"index.md" = replaceStrings
[ "@store-types@" ] [ index ]
(readFile ./src/store/types/index.md.in);
(readFile ./source/store/types/index.md.in);
tableOfContents =
let

231
doc/manual/local.mk
View file

@ -1,231 +0,0 @@
# The version of Nix used to generate the doc. Can also be
# `$(nix_INSTALL_PATH)` or just `nix` (to grap ambient from the `PATH`),
# if one prefers.
doc_nix = $(nix_PATH)
MANUAL_SRCS := \
$(call rwildcard, $(d)/src, *.md) \
$(call rwildcard, $(d)/src, */*.md)
man-pages := $(foreach n, \
nix-env.1 nix-store.1 \
nix-build.1 nix-shell.1 nix-instantiate.1 \
nix-collect-garbage.1 \
nix-prefetch-url.1 nix-channel.1 \
nix-hash.1 nix-copy-closure.1 \
nix.conf.5 nix-daemon.8 \
nix-profiles.5 \
, $(d)/$(n))
# man pages for subcommands
# convert from `$(d)/src/command-ref/nix-{1}/{2}.md` to `$(d)/nix-{1}-{2}.1`
# FIXME: unify with how nix3-cli man pages are generated
man-pages += $(foreach subcommand, \
$(filter-out %opt-common.md %env-common.md, $(wildcard $(d)/src/command-ref/nix-*/*.md)), \
$(d)/$(subst /,-,$(subst $(d)/src/command-ref/,,$(subst .md,.1,$(subcommand)))))
clean-files += $(d)/*.1 $(d)/*.5 $(d)/*.8
# Provide a dummy environment for nix, so that it will not access files outside the macOS sandbox.
# Set cores to 0 because otherwise `nix config show` resolves the cores based on the current machine
dummy-env = env -i \
HOME=/dummy \
NIX_CONF_DIR=/dummy \
NIX_SSL_CERT_FILE=/dummy/no-ca-bundle.crt \
NIX_STATE_DIR=/dummy \
NIX_CONFIG='cores = 0'
nix-eval = $(dummy-env) $(doc_nix) eval --experimental-features nix-command -I nix=doc/manual --store dummy:// --impure --raw
# re-implement mdBook's include directive to make it usable for terminal output and for proper @docroot@ substitution
define process-includes
while read -r line; do \
set -euo pipefail; \
filename="$$(dirname $(1))/$$(sed 's/{{#include \(.*\)}}/\1/'<<< $$line)"; \
test -f "$$filename" || ( echo "#include-d file '$$filename' does not exist." >&2; exit 1; ); \
matchline="$$(sed 's|/|\\/|g' <<< $$line)"; \
sed -i "/$$matchline/r $$filename" $(2); \
sed -i "s/$$matchline//" $(2); \
done < <(grep '{{#include' $(1))
endef
$(d)/nix-env-%.1: $(d)/src/command-ref/nix-env/%.md
@printf "Title: %s\n\n" "$(subst nix-env-,nix-env --,$$(basename "$@" .1))" > $^.tmp
$(render-subcommand)
$(d)/nix-store-%.1: $(d)/src/command-ref/nix-store/%.md
@printf -- 'Title: %s\n\n' "$(subst nix-store-,nix-store --,$$(basename "$@" .1))" > $^.tmp
$(render-subcommand)
# FIXME: there surely is some more deduplication to be achieved here with even darker Make magic
define render-subcommand
@cat $^ >> $^.tmp
@$(call process-includes,$^,$^.tmp)
$(trace-gen) lowdown -sT man --nroff-nolinks -M section=1 $^.tmp -o $@
@# fix up `lowdown`'s automatic escaping of `--`
@# https://github.com/kristapsdz/lowdown/blob/edca6ce6d5336efb147321a43c47a698de41bb7c/entity.c#L202
@sed -i 's/\e\[u2013\]/--/' $@
@rm $^.tmp
endef
$(d)/%.1: $(d)/src/command-ref/%.md
@printf "Title: %s\n\n" "$$(basename $@ .1)" > $^.tmp
@cat $^ >> $^.tmp
@$(call process-includes,$^,$^.tmp)
$(trace-gen) lowdown -sT man --nroff-nolinks -M section=1 $^.tmp -o $@
@rm $^.tmp
$(d)/%.8: $(d)/src/command-ref/%.md
@printf "Title: %s\n\n" "$$(basename $@ .8)" > $^.tmp
@cat $^ >> $^.tmp
$(trace-gen) lowdown -sT man --nroff-nolinks -M section=8 $^.tmp -o $@
@rm $^.tmp
$(d)/nix.conf.5: $(d)/src/command-ref/conf-file.md
@printf "Title: %s\n\n" "$$(basename $@ .5)" > $^.tmp
@cat $^ >> $^.tmp
@$(call process-includes,$^,$^.tmp)
$(trace-gen) lowdown -sT man --nroff-nolinks -M section=5 $^.tmp -o $@
@rm $^.tmp
$(d)/nix-profiles.5: $(d)/src/command-ref/files/profiles.md
@printf "Title: %s\n\n" "$$(basename $@ .5)" > $^.tmp
@cat $^ >> $^.tmp
$(trace-gen) lowdown -sT man --nroff-nolinks -M section=5 $^.tmp -o $@
@rm $^.tmp
$(d)/src/SUMMARY.md: $(d)/src/SUMMARY.md.in $(d)/src/SUMMARY-rl-next.md $(d)/src/store/types $(d)/src/command-ref/new-cli $(d)/src/development/experimental-feature-descriptions.md
@cp $< $@
@$(call process-includes,$@,$@)
$(d)/src/store/types: $(d)/nix.json $(d)/utils.nix $(d)/generate-store-info.nix $(d)/generate-store-types.nix $(d)/src/store/types/index.md.in $(doc_nix)
@# FIXME: build out of tree!
@rm -rf $@.tmp
$(trace-gen) $(nix-eval) --write-to $@.tmp --expr 'import doc/manual/generate-store-types.nix (builtins.fromJSON (builtins.readFile $<)).stores'
@# do not destroy existing contents
@mv $@.tmp/* $@/
$(d)/src/command-ref/new-cli: $(d)/nix.json $(d)/utils.nix $(d)/generate-manpage.nix $(d)/generate-settings.nix $(d)/generate-store-info.nix $(doc_nix)
@rm -rf $@ $@.tmp
$(trace-gen) $(nix-eval) --write-to $@.tmp --expr 'import doc/manual/generate-manpage.nix true (builtins.readFile $<)'
@mv $@.tmp $@
$(d)/src/command-ref/conf-file.md: $(d)/conf-file.json $(d)/utils.nix $(d)/generate-settings.nix $(d)/src/command-ref/conf-file-prefix.md $(d)/src/command-ref/experimental-features-shortlist.md $(doc_nix)
@cat doc/manual/src/command-ref/conf-file-prefix.md > $@.tmp
$(trace-gen) $(nix-eval) --expr 'import doc/manual/generate-settings.nix { prefix = "conf"; } (builtins.fromJSON (builtins.readFile $<))' >> $@.tmp;
@mv $@.tmp $@
$(d)/nix.json: $(doc_nix)
$(trace-gen) $(dummy-env) $(doc_nix) __dump-cli > $@.tmp
@mv $@.tmp $@
$(d)/conf-file.json: $(doc_nix)
$(trace-gen) $(dummy-env) $(doc_nix) config show --json --experimental-features nix-command > $@.tmp
@mv $@.tmp $@
$(d)/src/development/experimental-feature-descriptions.md: $(d)/xp-features.json $(d)/utils.nix $(d)/generate-xp-features.nix $(doc_nix)
@rm -rf $@ $@.tmp
$(trace-gen) $(nix-eval) --write-to $@.tmp --expr 'import doc/manual/generate-xp-features.nix (builtins.fromJSON (builtins.readFile $<))'
@mv $@.tmp $@
$(d)/src/command-ref/experimental-features-shortlist.md: $(d)/xp-features.json $(d)/utils.nix $(d)/generate-xp-features-shortlist.nix $(doc_nix)
@rm -rf $@ $@.tmp
$(trace-gen) $(nix-eval) --write-to $@.tmp --expr 'import doc/manual/generate-xp-features-shortlist.nix (builtins.fromJSON (builtins.readFile $<))'
@mv $@.tmp $@
$(d)/xp-features.json: $(doc_nix)
$(trace-gen) $(dummy-env) $(doc_nix) __dump-xp-features > $@.tmp
@mv $@.tmp $@
$(d)/src/language/builtins.md: $(d)/language.json $(d)/generate-builtins.nix $(d)/src/language/builtins-prefix.md $(doc_nix)
@cat doc/manual/src/language/builtins-prefix.md > $@.tmp
$(trace-gen) $(nix-eval) --expr 'import doc/manual/generate-builtins.nix (builtins.fromJSON (builtins.readFile $<))' >> $@.tmp;
@cat doc/manual/src/language/builtins-suffix.md >> $@.tmp
@mv $@.tmp $@
$(d)/language.json: $(doc_nix)
$(trace-gen) $(dummy-env) $(doc_nix) __dump-language > $@.tmp
@mv $@.tmp $@
# Generate "Upcoming release" notes (or clear it and remove from menu)
$(d)/src/release-notes/rl-next.md: $(d)/rl-next $(d)/rl-next/*
@if type -p changelog-d > /dev/null; then \
echo " GEN " $@; \
changelog-d doc/manual/rl-next > $@; \
else \
echo " NULL " $@; \
true > $@; \
fi
$(d)/src/SUMMARY-rl-next.md: $(d)/src/release-notes/rl-next.md
$(trace-gen) true
@if [ -s $< ]; then \
echo ' - [Upcoming release](release-notes/rl-next.md)' > $@; \
else \
true > $@; \
fi
# Generate the HTML manual.
.PHONY: manual-html
manual-html: $(docdir)/manual/index.html
# Open the built HTML manual in the default browser.
manual-html-open: $(docdir)/manual/index.html
@echo " OPEN " $<; \
xdg-open $< \
|| open $< \
|| { \
echo "Could not open the manual in a browser. Please open '$<'" >&2; \
false; \
}
install: $(docdir)/manual/index.html
# Generate 'nix' manpages.
.PHONY: manpages
manpages: $(mandir)/man1/nix3-manpages
install: $(mandir)/man1/nix3-manpages
man: doc/manual/generated/man1/nix3-manpages
all: doc/manual/generated/man1/nix3-manpages
# FIXME: unify with how the other man pages are generated.
# this one works differently and does not use any of the amenities provided by `/mk/lib.mk`.
$(mandir)/man1/nix3-manpages: doc/manual/generated/man1/nix3-manpages
@mkdir -p $(DESTDIR)$$(dirname $@)
$(trace-install) install -m 0644 $$(dirname $<)/* $(DESTDIR)$$(dirname $@)
doc/manual/generated/man1/nix3-manpages: $(d)/src/command-ref/new-cli
@mkdir -p $(DESTDIR)$$(dirname $@)
$(trace-gen) for i in doc/manual/src/command-ref/new-cli/*.md; do \
name=$$(basename $$i .md); \
tmpFile=$$(mktemp); \
if [[ $$name = SUMMARY ]]; then continue; fi; \
printf "Title: %s\n\n" "$$name" > $$tmpFile; \
cat $$i >> $$tmpFile; \
lowdown -sT man --nroff-nolinks -M section=1 $$tmpFile -o $(DESTDIR)$$(dirname $@)/$$name.1; \
rm $$tmpFile; \
done
@touch $@
# the `! -name 'documentation.md'` filter excludes the one place where
# `@docroot@` is to be preserved for documenting the mechanism
# FIXME: maybe contributing guides should live right next to the code
# instead of in the manual
$(docdir)/manual/index.html: $(MANUAL_SRCS) $(d)/book.toml $(d)/anchors.jq $(d)/custom.css $(d)/src/SUMMARY.md $(d)/src/store/types $(d)/src/command-ref/new-cli $(d)/src/development/experimental-feature-descriptions.md $(d)/src/command-ref/conf-file.md $(d)/src/language/builtins.md $(d)/src/release-notes/rl-next.md $(d)/src/figures $(d)/src/favicon.png $(d)/src/favicon.svg
$(trace-gen) \
tmp="$$(mktemp -d)"; \
cp -r doc/manual "$$tmp"; \
find "$$tmp" -name '*.md' | while read -r file; do \
$(call process-includes,$$file,$$file); \
done; \
find "$$tmp" -name '*.md' ! -name 'documentation.md' | while read -r file; do \
docroot="$$(realpath --relative-to="$$(dirname "$$file")" $$tmp/manual/src)"; \
sed -i "s,@docroot@,$$docroot,g" "$$file"; \
done; \
set -euo pipefail; \
RUST_LOG=warn mdbook build "$$tmp/manual" -d $(DESTDIR)$(docdir)/manual.tmp 2>&1 \
| { grep -Fv "because fragment resolution isn't implemented" || :; }; \
rm -rf "$$tmp/manual"
@rm -rf $(DESTDIR)$(docdir)/manual
@mv $(DESTDIR)$(docdir)/manual.tmp/html $(DESTDIR)$(docdir)/manual
@rm -rf $(DESTDIR)$(docdir)/manual.tmp

353
doc/manual/meson.build Normal file
View file

@ -0,0 +1,353 @@
project('nix-manual',
version : files('.version'),
meson_version : '>= 1.1',
license : 'LGPL-2.1-or-later',
)
nix = find_program('nix', native : true)
mdbook = find_program('mdbook', native : true)
bash = find_program('bash', native : true)
pymod = import('python')
python = pymod.find_installation('python3')
nix_env_for_docs = {
'HOME': '/dummy',
'NIX_CONF_DIR': '/dummy',
'NIX_SSL_CERT_FILE': '/dummy/no-ca-bundle.crt',
'NIX_STATE_DIR': '/dummy',
'NIX_CONFIG': 'cores = 0',
}
nix_for_docs = [nix, '--experimental-features', 'nix-command']
nix_eval_for_docs_common = nix_for_docs + [
'eval',
'-I', 'nix=' + meson.current_source_dir(),
'--store', 'dummy://',
'--impure',
]
nix_eval_for_docs = nix_eval_for_docs_common + '--raw'
conf_file_json = custom_target(
command : nix_for_docs + ['config', 'show', '--json'],
capture : true,
output : 'conf-file.json',
env : nix_env_for_docs,
)
language_json = custom_target(
command: [nix, '__dump-language'],
output : 'language.json',
capture : true,
env : nix_env_for_docs,
)
nix3_cli_json = custom_target(
command : [nix, '__dump-cli'],
capture : true,
output : 'nix.json',
env : nix_env_for_docs,
)
generate_manual_deps = files(
'generate-deps.py',
)
# Generates types
subdir('source/store')
# Generates builtins.md and builtin-constants.md.
subdir('source/language')
# Generates new-cli pages, experimental-features-shortlist.md, and conf-file.md.
subdir('source/command-ref')
# Generates experimental-feature-descriptions.md.
subdir('source/development')
# Generates rl-next-generated.md.
subdir('source/release-notes')
subdir('source')
# Hacky way to figure out if `nix` is an `ExternalProgram` or
# `Exectuable`. Only the latter can occur in custom target input lists.
if nix.full_path().startswith(meson.build_root())
nix_input = nix
else
nix_input = []
endif
manual = custom_target(
'manual',
command : [
bash,
'-euo', 'pipefail',
'-c',
'''
@0@ @INPUT0@ @CURRENT_SOURCE_DIR@ > @DEPFILE@
@0@ @INPUT1@ summary @2@ < @CURRENT_SOURCE_DIR@/source/SUMMARY.md.in > @2@/source/SUMMARY.md
rsync -r --include='*.md' @CURRENT_SOURCE_DIR@/ @2@/
(cd @2@; RUST_LOG=warn @1@ build -d @2@ 3>&2 2>&1 1>&3) | { grep -Fv "because fragment resolution isn't implemented" || :; } 3>&2 2>&1 1>&3
rm -rf @2@/manual
mv @2@/html @2@/manual
find @2@/manual -iname meson.build -delete
'''.format(
python.full_path(),
mdbook.full_path(),
meson.current_build_dir(),
),
],
input : [
generate_manual_deps,
'substitute.py',
'book.toml',
'anchors.jq',
'custom.css',
nix3_cli_files,
experimental_features_shortlist_md,
experimental_feature_descriptions_md,
types_dir,
conf_file_md,
builtins_md,
rl_next_generated,
summary_rl_next,
nix_input,
],
output : [
'manual',
'markdown',
],
depfile : 'manual.d',
env : {
'RUST_LOG': 'info',
'MDBOOK_SUBSTITUTE_SEARCH': meson.current_build_dir() / 'source',
},
)
manual_html = manual[0]
manual_md = manual[1]
install_subdir(
manual_html.full_path(),
install_dir : get_option('datadir') / 'doc/nix',
)
nix_nested_manpages = [
[ 'nix-env',
[
'delete-generations',
'install',
'list-generations',
'query',
'rollback',
'set-flag',
'set',
'switch-generation',
'switch-profile',
'uninstall',
'upgrade',
],
],
[ 'nix-store',
[
'add-fixed',
'add',
'delete',
'dump-db',
'dump',
'export',
'gc',
'generate-binary-cache-key',
'import',
'load-db',
'optimise',
'print-env',
'query',
'read-log',
'realise',
'repair-path',
'restore',
'serve',
'verify',
'verify-path',
],
],
]
foreach command : nix_nested_manpages
foreach page : command[1]
title = command[0] + ' --' + page
section = '1'
custom_target(
command : [
bash,
files('./render-manpage.sh'),
'--out-no-smarty',
title,
section,
'@INPUT0@/command-ref' / command[0] / (page + '.md'),
'@OUTPUT0@',
],
input : [
manual_md,
nix_input,
],
output : command[0] + '-' + page + '.1',
install : true,
install_dir : get_option('mandir') / 'man1',
)
endforeach
endforeach
nix3_manpages = [
'nix3-build',
'nix3-bundle',
'nix3-config',
'nix3-config-show',
'nix3-copy',
'nix3-daemon',
'nix3-derivation-add',
'nix3-derivation',
'nix3-derivation-show',
'nix3-develop',
#'nix3-doctor',
'nix3-edit',
'nix3-eval',
'nix3-flake-archive',
'nix3-flake-check',
'nix3-flake-clone',
'nix3-flake-info',
'nix3-flake-init',
'nix3-flake-lock',
'nix3-flake',
'nix3-flake-metadata',
'nix3-flake-new',
'nix3-flake-prefetch',
'nix3-flake-show',
'nix3-flake-update',
'nix3-fmt',
'nix3-hash-file',
'nix3-hash',
'nix3-hash-path',
'nix3-hash-to-base16',
'nix3-hash-to-base32',
'nix3-hash-to-base64',
'nix3-hash-to-sri',
'nix3-help',
'nix3-help-stores',
'nix3-key-convert-secret-to-public',
'nix3-key-generate-secret',
'nix3-key',
'nix3-log',
'nix3-nar-cat',
'nix3-nar-dump-path',
'nix3-nar-ls',
'nix3-nar',
'nix3-path-info',
'nix3-print-dev-env',
'nix3-profile-diff-closures',
'nix3-profile-history',
'nix3-profile-install',
'nix3-profile-list',
'nix3-profile',
'nix3-profile-remove',
'nix3-profile-rollback',
'nix3-profile-upgrade',
'nix3-profile-wipe-history',
'nix3-realisation-info',
'nix3-realisation',
'nix3-registry-add',
'nix3-registry-list',
'nix3-registry',
'nix3-registry-pin',
'nix3-registry-remove',
'nix3-repl',
'nix3-run',
'nix3-search',
#'nix3-shell',
'nix3-store-add-file',
'nix3-store-add-path',
'nix3-store-cat',
'nix3-store-copy-log',
'nix3-store-copy-sigs',
'nix3-store-delete',
'nix3-store-diff-closures',
'nix3-store-dump-path',
'nix3-store-gc',
'nix3-store-ls',
'nix3-store-make-content-addressed',
'nix3-store',
'nix3-store-optimise',
'nix3-store-path-from-hash-part',
'nix3-store-ping',
'nix3-store-prefetch-file',
'nix3-store-repair',
'nix3-store-sign',
'nix3-store-verify',
'nix3-upgrade-nix',
'nix3-why-depends',
'nix',
]
foreach page : nix3_manpages
section = '1'
custom_target(
command : [
bash,
'@INPUT0@',
page,
section,
'@INPUT1@/command-ref/new-cli/@0@.md'.format(page),
'@OUTPUT@',
],
input : [
files('./render-manpage.sh'),
manual_md,
nix_input,
],
output : page + '.1',
install : true,
install_dir : get_option('mandir') / 'man1',
)
endforeach
nix_manpages = [
[ 'nix-env', 1 ],
[ 'nix-store', 1 ],
[ 'nix-build', 1 ],
[ 'nix-shell', 1 ],
[ 'nix-instantiate', 1 ],
[ 'nix-collect-garbage', 1 ],
[ 'nix-prefetch-url', 1 ],
[ 'nix-channel', 1 ],
[ 'nix-hash', 1 ],
[ 'nix-copy-closure', 1 ],
[ 'nix.conf', 5, conf_file_md.full_path() ],
[ 'nix-daemon', 8 ],
[ 'nix-profiles', 5, 'files/profiles.md' ],
]
foreach entry : nix_manpages
title = entry[0]
# nix.conf.5 and nix-profiles.5 are based off of conf-file.md and files/profiles.md,
# rather than a stem identical to its mdbook source.
# Therefore we use an optional third element of this array to override the name pattern
md_file = entry.get(2, title + '.md')
section = entry[1].to_string()
md_file_resolved = join_paths('@INPUT1@/command-ref/', md_file)
custom_target(
command : [
bash,
'@INPUT0@',
title,
section,
md_file_resolved,
'@OUTPUT@',
],
input : [
files('./render-manpage.sh'),
manual_md,
entry.get(3, []),
nix_input,
],
output : '@0@.@1@'.format(entry[0], entry[1]),
install : true,
install_dir : get_option('mandir') / 'man@0@'.format(entry[1]),
)
endforeach

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@ -0,0 +1,71 @@
{ lib
, mkMesonDerivation
, meson
, ninja
, lowdown
, mdbook
, mdbook-linkcheck
, jq
, python3
, rsync
, nix-cli
# Configuration Options
, version
}:
let
inherit (lib) fileset;
in
mkMesonDerivation (finalAttrs: {
pname = "nix-manual";
inherit version;
workDir = ./.;
fileset = fileset.difference
(fileset.unions [
../../.version
# Too many different types of files to filter for now
../../doc/manual
./.
])
# Do a blacklist instead
../../doc/manual/package.nix;
# TODO the man pages should probably be separate
outputs = [ "out" "man" ];
# Hack for sake of the dev shell
passthru.externalNativeBuildInputs = [
meson
ninja
(lib.getBin lowdown)
mdbook
mdbook-linkcheck
jq
python3
rsync
];
nativeBuildInputs = finalAttrs.passthru.externalNativeBuildInputs ++ [
nix-cli
];
preConfigure =
''
chmod u+w ./.version
echo ${finalAttrs.version} > ./.version
'';
postInstall = ''
mkdir -p ''$out/nix-support
echo "doc manual ''$out/share/doc/nix/manual" >> ''$out/nix-support/hydra-build-products
'';
meta = {
platforms = lib.platforms.all;
};
})

2
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@ -1,7 +1,7 @@
// redirect rules for URL fragments (client-side) to prevent link rot.
// this must be done on the client side, as web servers do not see the fragment part of the URL.
// it will only work with JavaScript enabled in the browser, but this is the best we can do here.
// see src/_redirects for path redirects (server-side)
// see source/_redirects for path redirects (server-side)
// redirects are declared as follows:
// each entry has as its key a path matching the requested URL path, relative to the mdBook document root.

33
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@ -0,0 +1,33 @@
#!/usr/bin/env python3
import os
import subprocess
import sys
import shutil
import typing as t
def main():
if len(sys.argv) < 4 or '--' not in sys.argv:
print("Usage: remove-before-wrapper <output> -- <nix command...>")
sys.exit(1)
# Extract the parts
output: str = sys.argv[1]
nix_command_idx: int = sys.argv.index('--') + 1
nix_command: t.List[str] = sys.argv[nix_command_idx:]
output_temp: str = output + '.tmp'
# Remove the output and temp output in case they exist
shutil.rmtree(output, ignore_errors=True)
shutil.rmtree(output_temp, ignore_errors=True)
# Execute nix command with `--write-to` tempary output
nix_command_write_to = nix_command + ['--write-to', output_temp]
subprocess.run(nix_command_write_to, check=True)
# Move the temporary output to the intended location
os.rename(output_temp, output)
if __name__ == "__main__":
main()

25
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@ -0,0 +1,25 @@
#!/usr/bin/env bash
set -euo pipefail
lowdown_args=
if [ "$1" = --out-no-smarty ]; then
lowdown_args=--out-no-smarty
shift
fi
[ "$#" = 4 ] || {
echo "wrong number of args passed" >&2
exit 1
}
title="$1"
section="$2"
infile="$3"
outfile="$4"
(
printf "Title: %s\n\n" "$title"
cat "$infile"
) | lowdown -sT man --nroff-nolinks $lowdown_args -M section="$section" -o "$outfile"

14
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@ -1,14 +0,0 @@
---
synopsis: Use envvars NIX_CACHE_HOME, NIX_CONFIG_HOME, NIX_DATA_HOME, NIX_STATE_HOME if defined
prs: [11351]
---
Added new environment variables:
- `NIX_CACHE_HOME`
- `NIX_CONFIG_HOME`
- `NIX_DATA_HOME`
- `NIX_STATE_HOME`
Each, if defined, takes precedence over the corresponding [XDG environment variable](@docroot@/command-ref/env-common.md#xdg-base-directories).
This provides more fine-grained control over where Nix looks for files, and allows to have a stand-alone Nix environment, which only uses files in a specific directory, and doesn't interfere with the user environment.

21
doc/manual/rl-next/ban-integer-overflow.md
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@ -1,21 +0,0 @@
---
synopsis: Define integer overflow in the Nix language as an error
issues: [10968]
prs: [11188]
---
Previously, integer overflow in the Nix language invoked C++ level signed overflow, which was undefined behaviour, but *usually* manifested as wrapping around on overflow.
Since prior to the public release of Lix, Lix had C++ signed overflow defined to crash the process and nobody noticed this having accidentally removed overflow from the Nix language for three months until it was caught by fiddling around.
Given the significant body of actual Nix code that has been evaluated by Lix in that time, it does not appear that nixpkgs or much of importance depends on integer overflow, so it appears safe to turn into an error.
Some other overflows were fixed:
- `builtins.fromJSON` of values greater than the maximum representable value in a signed 64-bit integer will generate an error.
- `nixConfig` in flakes will no longer accept negative values for configuration options.
Integer overflow now looks like the following:
```
$ nix eval --expr '9223372036854775807 + 1'
error: integer overflow in adding 9223372036854775807 + 1
```

22
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@ -1,22 +0,0 @@
---
synopsis: |-
The `build-hook` setting's default is less useful when using `libnixstore` as a library
prs:
- 11178
---
*This is an obscure issue that only affects usage of the `libnixstore` library outside of the Nix executable.*
As part the ongoing [rewrite of the build system](https://github.com/NixOS/nix/issues/2503) to use [Meson](https://mesonbuild.com/), we are also switching to packaging individual Nix components separately (and building them in separate derivations).
This means that when building `libnixstore` we do not know where the Nix binaries will be installed --- `libnixstore` doesn't know about downstream consumers like the Nix binaries at all.
*This is also unrelated to the _`post`_-`build-hook`*, which is often used for pushing to a cache.*
This has a small adverse affect on remote building --- the `build-remote` executable that is specified from the [`build-hook`](@docroot@/command-ref/conf-file.md#conf-build-hook) setting will not be gotten from the (presumed) installation location, but instead looked up on the `PATH`.
This means that other applications linking `libnixstore` that wish to use remote building must arrange for the `nix` command to be on the PATH (or manually overriding `build-hook`) in order for that to work.
Long term we don't envision this being a downside, because we plan to [get rid of `build-remote` and the build hook setting entirely](https://github.com/NixOS/nix/issues/1221).
There is simply no need to add a second layer of remote-procedure-calling when we want to connect to a remote builder.
The build hook protocol did in principle support custom ways of remote building, but that can also be accomplished with a custom service for the ssh or daemon/ssh-ng protocols, or with a custom [store type](@docroot@/store/types/index.md) i.e. `Store` subclass. <!-- we normally don't mention classes, but consider that this release note is about a library use case -->
The Perl bindings no longer expose `getBinDir` either, since they libraries those bindings wrap no longer know the location of installed binaries as described above.

14
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@ -1,14 +0,0 @@
---
synopsis: wrap filesystem exceptions more correctly
issues: []
prs: [11378]
---
With the switch to `std::filesystem` in different places, Nix started to throw `std::filesystem::filesystem_error` in many places instead of its own exceptions.
This lead to no longer generating error traces, for example when listing a non-existing directory, and can also lead to crashes inside the Nix REPL.
This version catches these types of exception correctly and wrap them into Nix's own exeception type.
Author: [**@Mic92**](https://github.com/Mic92)

9
doc/manual/rl-next/fsync-store-paths.md
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@ -1,9 +0,0 @@
---
synopsis: Add setting `fsync-store-paths`
issues: [1218]
prs: [7126]
---
Nix now has a setting `fsync-store-paths` that ensures that new store paths are durably written to disk before they are registered as "valid" in Nix's database. This can prevent Nix store corruption if the system crashes or there is a power loss. This setting defaults to `false`.
Author: [**@squalus**](https://github.com/squalus)

18
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@ -0,0 +1,18 @@
---
synopsis: "`nix copy` supports `--profile` and `--out-link`"
prs: [11657]
---
The `nix copy` command now has flags `--profile` and `--out-link`, similar to `nix build`. `--profile` makes a profile point to the
top-level store path, while `--out-link` create symlinks to the top-level store paths.
For example, when updating the local NixOS system profile from a NixOS system closure on a remote machine, instead of
```
# nix copy --from ssh://server $path
# nix build --profile /nix/var/nix/profiles/system $path
```
you can now do
```
# nix copy --from ssh://server --profile /nix/var/nix/profiles/system $path
```
The advantage is that this avoids a time window where *path* is not a garbage collector root, and so could be deleted by a concurrent `nix store gc` process.

25
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@ -1,25 +0,0 @@
---
synopsis: Show package descriptions with `nix flake show`
issues: [10977]
prs: [10980]
---
`nix flake show` will now display a package's `meta.description` if it exists. If the description does not fit in the terminal it will be truncated to fit the terminal width. If the size of the terminal width is unknown the description will be capped at 80 characters.
```
$ nix flake show
└───packages
└───x86_64-linux
├───builderImage: package 'docker-image-ara-builder-image.tar.gz' - 'Docker image hosting the nix build environment'
└───runnerImage: package 'docker-image-gitlab-runner.tar.gz' - 'Docker image hosting the gitlab-runner executable'
```
In a narrower terminal:
```
$ nix flake show
└───packages
└───x86_64-linux
├───builderImage: package 'docker-image-ara-builder-image.tar.gz' - 'Docker image hosting the nix b...
└───runnerImage: package 'docker-image-gitlab-runner.tar.gz' - 'Docker image hosting the gitlab-run...
```

17
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@ -1,17 +0,0 @@
---
synopsis: Removing the default argument passed to the `nix fmt` formatter
issues: []
prs: [11438]
---
The underlying formatter no longer receives the ". " default argument when `nix fmt` is called with no arguments.
This change was necessary as the formatter wasn't able to distinguish between
a user wanting to format the current folder with `nix fmt .` or the generic
`nix fmt`.
The default behaviour is now the responsibility of the formatter itself, and
allows tools such as treefmt to format the whole tree instead of only the
current directory and below.
Author: [**@zimbatm**](https://github.com/zimbatm)

8
doc/manual/rl-next/no-flake-substitution.md
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@ -1,8 +0,0 @@
---
synopsis: Flakes are no longer substituted
prs: [10612]
---
Nix will no longer attempt to substitute the source code of flakes from a binary cache. This functionality was broken because it could lead to different evaluation results depending on whether the flake was available in the binary cache, or even depending on whether the flake was already in the local store.
Author: [**@edolstra**](https://github.com/edolstra)

2
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View file

@ -121,6 +121,7 @@
- [Development](development/index.md)
- [Building](development/building.md)
- [Testing](development/testing.md)
- [Debugging](development/debugging.md)
- [Documentation](development/documentation.md)
- [CLI guideline](development/cli-guideline.md)
- [JSON guideline](development/json-guideline.md)
@ -129,6 +130,7 @@
- [Contributing](development/contributing.md)
- [Releases](release-notes/index.md)
{{#include ./SUMMARY-rl-next.md}}
- [Release 2.25 (2024-11-07)](release-notes/rl-2.25.md)
- [Release 2.24 (2024-07-31)](release-notes/rl-2.24.md)
- [Release 2.23 (2024-06-03)](release-notes/rl-2.23.md)
- [Release 2.22 (2024-04-23)](release-notes/rl-2.22.md)

0
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0
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0
doc/manual/src/advanced-topics/diff-hook.md → doc/manual/source/advanced-topics/diff-hook.md
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@ -0,0 +1,108 @@
# Remote Builds
A local Nix installation can forward Nix builds to other machines,
this allows multiple builds to be performed in parallel.
Remote builds also allow Nix to perform multi-platform builds in a
semi-transparent way. For example, if you perform a build for a
`x86_64-darwin` on an `i686-linux` machine, Nix can automatically
forward the build to a `x86_64-darwin` machine, if one is available.
## Requirements
For a local machine to forward a build to a remote machine, the remote machine must:
- Have Nix installed
- Be running an SSH server, e.g. `sshd`
- Be accessible via SSH from the local machine over the network
- Have the local machine's public SSH key in `/etc/ssh/authorized_keys.d/<username>`
- Have the username of the SSH user in the `trusted-users` setting in `nix.conf`
## Testing
To test connecting to a remote Nix instance (in this case `mac`), run:
```console
nix store info --store ssh://username@mac
```
To specify an SSH identity file as part of the remote store URI add a
query paramater, e.g.
```console
nix store info --store ssh://username@mac?ssh-key=/home/alice/my-key
```
Since builds should be non-interactive, the key should not have a
passphrase. Alternatively, you can load identities ahead of time into
`ssh-agent` or `gpg-agent`.
In a multi-user installation (default), builds are executed by the Nix
Daemon. The Nix Daemon cannot prompt for a passphrase via the terminal
or `ssh-agent`, so the SSH key must not have a passphrase.
In addition, the Nix Daemon's user (typically root) needs to have SSH
access to the remote builder.
Access can be verified by running `sudo su`, and then validating SSH
access, e.g. by running `ssh mac`. SSH identity files for root users
are usually stored in `/root/.ssh/` (Linux) or `/var/root/.ssh` (MacOS).
If you get the error
```console
bash: nix: command not found
error: cannot connect to 'mac'
```
then you need to ensure that the `PATH` of non-interactive login shells
contains Nix.
The [list of remote build machines](@docroot@/command-ref/conf-file.md#conf-builders) can be specified on the command line or in the Nix configuration file.
For example, the following command allows you to build a derivation for `x86_64-darwin` on a Linux machine:
```console
uname
```
```console
Linux
```
```console
nix build --impure \
--expr '(with import <nixpkgs> { system = "x86_64-darwin"; }; runCommand "foo" {} "uname > $out")' \
--builders 'ssh://mac x86_64-darwin'
```
```console
[1/0/1 built, 0.0 MiB DL] building foo on ssh://mac
```
```console
cat ./result
```
```console
Darwin
```
It is possible to specify multiple build machines separated by a semicolon or a newline, e.g.
```console
--builders 'ssh://mac x86_64-darwin ; ssh://beastie x86_64-freebsd'
```
Remote build machines can also be configured in [`nix.conf`](@docroot@/command-ref/conf-file.md), e.g.
builders = ssh://mac x86_64-darwin ; ssh://beastie x86_64-freebsd
After making changes to `nix.conf`, restart the Nix daemon for changes to take effect.
Finally, remote build machines can be configured in a separate configuration
file included in `builders` via the syntax `@/path/to/file`. For example,
builders = @/etc/nix/machines
causes the list of machines in `/etc/nix/machines` to be included.
(This is the default.)

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0
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0
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0
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0
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0
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0
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0
doc/manual/src/command-ref/files/profiles.md → doc/manual/source/command-ref/files/profiles.md
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0
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0
doc/manual/src/command-ref/main-commands.md → doc/manual/source/command-ref/main-commands.md
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63
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@ -0,0 +1,63 @@
xp_features_json = custom_target(
command : [nix, '__dump-xp-features'],
capture : true,
output : 'xp-features.json',
)
experimental_features_shortlist_md = custom_target(
command : nix_eval_for_docs + [
'--expr',
'import @INPUT0@ (builtins.fromJSON (builtins.readFile ./@INPUT1@))',
],
input : [
'../../generate-xp-features-shortlist.nix',
xp_features_json,
],
output : 'experimental-features-shortlist.md',
capture : true,
env : nix_env_for_docs,
)
nix3_cli_files = custom_target(
command : [
python.full_path(),
'@INPUT0@',
'@OUTPUT@',
'--'
] + nix_eval_for_docs + [
'--expr',
'import @INPUT1@ true (builtins.readFile ./@INPUT2@)',
],
input : [
'../../remove_before_wrapper.py',
'../../generate-manpage.nix',
nix3_cli_json,
],
output : 'new-cli',
env : nix_env_for_docs,
)
conf_file_md_body = custom_target(
command : [
nix_eval_for_docs,
'--expr',
'import @INPUT0@ { prefix = "conf"; } (builtins.fromJSON (builtins.readFile ./@INPUT1@))',
],
capture : true,
input : [
'../../generate-settings.nix',
conf_file_json,
],
output : 'conf-file.body.md',
env : nix_env_for_docs,
)
conf_file_md = custom_target(
command : [ 'cat', '@INPUT0@', '@INPUT1@' ],
capture : true,
input : [
'conf-file-prefix.md',
conf_file_md_body,
],
output : 'conf-file.md',
)

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@ -36,7 +36,7 @@ Instead, it looks in a few locations, and acts on all profiles it finds there:
>
> Not stable; subject to change
>
> Do not rely on this functionality; it just exists for migration purposes and is may change in the future.
> Do not rely on this functionality; it just exists for migration purposes and may change in the future.
> These deprecated paths remain a private implementation detail of Nix.
`$NIX_STATE_DIR/profiles` and `$NIX_STATE_DIR/profiles/per-user`.

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@ -62,7 +62,7 @@ These pages can be viewed offline:
Several operations, such as [`nix-env --query`](./nix-env/query.md) and [`nix-env --install`](./nix-env/install.md), take a list of *arguments* that specify the packages on which to operate.
Packages are identified based on a `name` part and a `version` part of a [symbolic derivation name](@docroot@/language/derivations.md#attr-names):
Packages are identified based on a `name` part and a `version` part of a [symbolic derivation name](@docroot@/language/derivations.md#attr-name):
- `name`: Everything up to but not including the first dash (`-`) that is *not* followed by a letter.
- `version`: The rest, excluding the separating dash.

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@ -88,7 +88,9 @@ All options not listed here are passed to `nix-store
cleared before the interactive shell is started, so you get an
environment that more closely corresponds to the “real” Nix build. A
few variables, in particular `HOME`, `USER` and `DISPLAY`, are
retained.
retained. Note that the shell used to run commands is obtained from
[`NIX_BUILD_SHELL`](#env-NIX_BUILD_SHELL) / `<nixpkgs>` from
`NIX_PATH`, and therefore not affected by `--pure`.
- `--packages` / `-p` *packages*…
@ -112,11 +114,30 @@ All options not listed here are passed to `nix-store
# Environment variables
- `NIX_BUILD_SHELL`
- <span id="env-NIX_BUILD_SHELL">[`NIX_BUILD_SHELL`](#env-NIX_BUILD_SHELL)</span>
Shell used to start the interactive environment. Defaults to the
`bash` found in `<nixpkgs>`, falling back to the `bash` found in
`PATH` if not found.
Shell used to start the interactive environment.
Defaults to the `bash` from `bashInteractive` found in `<nixpkgs>`, falling back to the `bash` found in `PATH` if not found.
> **Note**
>
> The shell obtained using this method may not necessarily be the same as any shells requested in *path*.
<!-- -->
> **Example
>
> Despite `--pure`, this invocation will not result in a fully reproducible shell environment:
>
> ```nix
> #!/usr/bin/env -S nix-shell --pure
> let
> pkgs = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/854fdc68881791812eddd33b2fed94b954979a8e.tar.gz") {};
> in
> pkgs.mkShell {
> buildInputs = pkgs.bashInteractive;
> }
> ```
{{#include ./env-common.md}}

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@ -104,7 +104,7 @@ symlink.
Prints a set of derivation files (`.drv`) which are supposed produce
said paths when realized. Might print nothing, for example for source paths
or paths subsituted from a binary cache.
or paths substituted from a binary cache.
- `--graph`
@ -241,4 +241,3 @@ $ nix-store --query --roots $(which svn)
/nix/var/nix/profiles/default-82-link
/home/eelco/.local/state/nix/profiles/profile-97-link
```

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