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Reconvert
This commit is contained in:
Eelco Dolstra
parent
c20c082383
commit
f390303566
29 changed files with 433 additions and 95 deletions
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@ -124,8 +124,8 @@
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URL` allows a package to be installed directly from the given URL.
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- Nix now works behind an HTTP proxy server; just set the standard
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environment variables http\_proxy, https\_proxy, ftp\_proxy or
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all\_proxy appropriately. Functions such as `fetchurl` in Nixpkgs
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environment variables `http_proxy`, `https_proxy`, `ftp_proxy` or
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`all_proxy` appropriately. Functions such as `fetchurl` in Nixpkgs
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also respect these variables.
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- `nix-build -o
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@ -33,7 +33,7 @@
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(remote) Nix stores mounted somewhere in the filesystem. For
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instance, you can speed up an installation by mounting some remote
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Nix store that already has the packages in question via NFS or
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`sshfs`. The environment variable NIX\_OTHER\_STORES specifies the
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`sshfs`. The environment variable `NIX_OTHER_STORES` specifies the
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locations of the remote Nix directories, e.g. `/mnt/remote-fs/nix`.
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- New `nix-store` operations `--dump-db` and `--load-db` to dump and
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@ -111,7 +111,7 @@
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(integer multiplication), `builtins.div` (integer division).
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- `nix-prefetch-url` now supports `mirror://` URLs, provided that the
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environment variable NIXPKGS\_ALL points at a Nixpkgs tree.
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environment variable `NIXPKGS_ALL` points at a Nixpkgs tree.
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- Removed the commands `nix-pack-closure` and `nix-unpack-closure`.
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You can do almost the same thing but much more efficiently by doing
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@ -14,7 +14,7 @@ This release has the following improvements:
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performed in parallel was not configurable. Nix now has an option
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`--cores
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N` as well as a configuration setting `build-cores =
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N` that causes the environment variable NIX\_BUILD\_CORES to be set
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N` that causes the environment variable `NIX_BUILD_CORES` to be set
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to N when the builder is invoked. The builder can use this at its
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discretion to perform a parallel build, e.g., by calling `make -j
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N`. In Nixpkgs, this can be enabled on a per-package basis by
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@ -14,7 +14,7 @@ release. Here are the most significant:
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significant speedup.
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- Nix now has an search path for expressions. The search path is set
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using the environment variable NIX\_PATH and the `-I` command line
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using the environment variable `NIX_PATH` and the `-I` command line
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option. In Nix expressions, paths between angle brackets are used to
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specify files that must be looked up in the search path. For
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instance, the expression `<nixpkgs/default.nix>` looks for a file
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@ -77,7 +77,7 @@ This release has the following improvements and changes:
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about twice as fast.
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- Basic Nix expression evaluation profiling: setting the environment
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variable NIX\_COUNT\_CALLS to `1` will cause Nix to print how many
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variable `NIX_COUNT_CALLS` to `1` will cause Nix to print how many
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times each primop or function was executed.
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- New primops: `concatLists`, `elem`, `elemAt` and `filter`.
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@ -13,7 +13,7 @@ features:
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get an environment that more closely corresponds to the “real” Nix
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build.
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- `nix-shell` now sets the shell prompt (PS1) to ensure that Nix
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- `nix-shell` now sets the shell prompt (`PS1`) to ensure that Nix
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shells are distinguishable from your regular shells.
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- `nix-env` no longer requires a `*` argument to match all packages,
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@ -76,7 +76,7 @@
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them anyway.
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- Various commands now automatically pipe their output into the pager
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as specified by the PAGER environment variable.
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as specified by the `PAGER` environment variable.
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- Several improvements to reduce memory consumption in the evaluator.
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@ -39,8 +39,8 @@ features:
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This builds GNU Hello from the latest revision of the Nixpkgs
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master branch.
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- In the Nix search path (as specified via NIX\_PATH or `-I`). For
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example, to start a shell containing the Pan package from a
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- In the Nix search path (as specified via `NIX_PATH` or `-I`).
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For example, to start a shell containing the Pan package from a
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specific version of Nixpkgs:
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$ nix-shell -p pan -I nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/8a3eea054838b55aca962c3fbde9c83c102b8bf2.tar.gz
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@ -124,8 +124,8 @@ features:
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- `nix-env` now only creates a new “generation” symlink in
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`/nix/var/nix/profiles` if something actually changed.
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- The environment variable NIX\_PAGER can now be set to override
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PAGER. You can set it to `cat` to disable paging for Nix commands
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- The environment variable `NIX_PAGER` can now be set to override
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`PAGER`. You can set it to `cat` to disable paging for Nix commands
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only.
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- Failing `<...>` lookups now show position information.
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@ -18,7 +18,7 @@ The following incompatible changes have been made:
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- `bspatch`
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- The “copy from other stores” substituter mechanism
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(`copy-from-other-stores` and the NIX\_OTHER\_STORES environment
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(`copy-from-other-stores` and the `NIX_OTHER_STORES` environment
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variable) has been removed. It was primarily used by the NixOS
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installer to copy available paths from the installation medium. The
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replacement is to use a chroot store as a substituter (e.g.
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@ -233,7 +233,7 @@ This release has the following new features:
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store, the latter via the Nix daemon. You can use `auto` or the
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empty string to auto-select a local or daemon store depending on
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whether you have write permission to the Nix store. It is no
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longer necessary to set the NIX\_REMOTE environment variable to
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longer necessary to set the `NIX_REMOTE` environment variable to
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use the Nix daemon.
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As noted above, `LocalStore` now supports chroot builds,
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@ -296,7 +296,7 @@ This release has the following new features:
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[now](https://github.com/NixOS/nix/commit/eba840c8a13b465ace90172ff76a0db2899ab11b)
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use `/build` instead of `/tmp` as the temporary build directory.
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This fixes potential security problems when a build accidentally
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stores its TMPDIR in some security-sensitive place, such as an
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stores its `TMPDIR` in some security-sensitive place, such as an
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RPATH.
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- *Pure evaluation mode*. With the `--pure-eval` flag, Nix enables a
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@ -334,8 +334,8 @@ This release has the following new features:
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using the Nix daemon, you can now just specify a remote build
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machine on the command line, e.g. `--option builders
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'ssh://my-mac x86_64-darwin'`. The environment variable
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NIX\_BUILD\_HOOK has been removed and is no longer needed. The
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environment variable NIX\_REMOTE\_SYSTEMS is still supported for
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`NIX_BUILD_HOOK` has been removed and is no longer needed. The
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environment variable `NIX_REMOTE_SYSTEMS` is still supported for
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compatibility, but it is also possible to specify builders in
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`nix.conf` by setting the option `builders =
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@path`.
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@ -353,7 +353,7 @@ This release has the following new features:
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Nixpkgs provides `lib.inNixShell` to check this variable during
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evaluation.
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- NIX\_PATH is now lazy, so URIs in the path are only downloaded if
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- `NIX_PATH` is now lazy, so URIs in the path are only downloaded if
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they are needed for evaluation.
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- You can now use <channel:> as a short-hand for
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@ -406,7 +406,7 @@ This release has the following new features:
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non-standard base-32.
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- `nix-shell` now uses `bashInteractive` from Nixpkgs, rather than the
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`bash` command that happens to be in the caller’s PATH. This is
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`bash` command that happens to be in the caller’s `PATH`. This is
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especially important on macOS where the `bash` provided by the
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system is seriously outdated and cannot execute `stdenv`’s setup
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script.
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@ -433,7 +433,7 @@ The Nix language has the following new features:
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configureFlags = "--prefix=${placeholder "out"} --includedir=${placeholder "dev"}";
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will cause the configureFlags environment variable to contain the
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will cause the `configureFlags` environment variable to contain the
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actual store paths corresponding to the `out` and `dev` outputs.
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The following builtin functions are new or extended:
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@ -481,23 +481,23 @@ The Nix build environment has the following changes:
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be passed to builders in a non-lossy way. If the special attribute
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`__structuredAttrs` is set to `true`, the other derivation
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attributes are serialised in JSON format and made available to the
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builder via the file .attrs.json in the builder’s temporary
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builder via the file `.attrs.json` in the builder’s temporary
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directory. This obviates the need for `passAsFile` since JSON files
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have no size restrictions, unlike process environments.
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[As a convenience to Bash
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builders](https://github.com/NixOS/nix/commit/2d5b1b24bf70a498e4c0b378704cfdb6471cc699),
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Nix writes a script named .attrs.sh to the builder’s directory that
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initialises shell variables corresponding to all attributes that are
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representable in Bash. This includes non-nested (associative)
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arrays. For example, the attribute `hardening.format =
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Nix writes a script named `.attrs.sh` to the builder’s directory
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that initialises shell variables corresponding to all attributes
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that are representable in Bash. This includes non-nested
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(associative) arrays. For example, the attribute `hardening.format =
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true` ends up as the Bash associative array element
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`${hardening[format]}`.
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- Builders can
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[now](https://github.com/NixOS/nix/commit/88e6bb76de5564b3217be9688677d1c89101b2a3)
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communicate what build phase they are in by writing messages to the
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file descriptor specified in NIX\_LOG\_FD. The current phase is
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file descriptor specified in `NIX_LOG_FD`. The current phase is
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shown by the `nix` progress indicator.
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- In Linux sandbox builds, we
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@ -69,7 +69,7 @@ This is primarily a bug fix release. It also has the following changes:
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- Integers are now 64 bits on all platforms.
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- The evaluator now prints profiling statistics (enabled via the
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NIX\_SHOW\_STATS and NIX\_COUNT\_CALLS environment variables) in
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`NIX_SHOW_STATS` and `NIX_COUNT_CALLS` environment variables) in
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JSON format.
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- The option `--xml` in `nix-store
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@ -25,7 +25,7 @@ It also has the following changes:
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line in the progress bar. To distinguish between concurrent builds,
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log lines are prefixed by the name of the package.
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- Builds are now executed in a pseudo-terminal, and the TERM
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- Builds are now executed in a pseudo-terminal, and the `TERM`
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environment variable is set to `xterm-256color`. This allows many
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programs (e.g. `gcc`, `clang`, `cmake`) to print colorized log
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output.
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