wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-25 06:31:14 +02:00
Code Activity

Merge branch 'nix-copy-closure-c++' of https://github.com/shlevy/nix

Browse source
This commit is contained in:
Eelco Dolstra 2017-02-07 20:47:45 +01:00
commit 6f4682ad36
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
11 changed files with 97 additions and 113 deletions
Download patch file Download diff file Expand all files Collapse all files

7
scripts/local.mk
View file

@ -1,8 +1,3 @@
nix_bin_scripts := \
$(d)/nix-copy-closure \
bin-scripts += $(nix_bin_scripts)
nix_noinst_scripts := \
$(d)/nix-http-export.cgi \
$(d)/nix-profile.sh \
@ -14,4 +9,4 @@ profiledir = $(sysconfdir)/profile.d
$(eval $(call install-file-as, $(d)/nix-profile.sh, $(profiledir)/nix.sh, 0644))
clean-files += $(nix_bin_scripts) $(nix_noinst_scripts)
clean-files += $(nix_noinst_scripts)

103
scripts/nix-copy-closure.in
View file

@ -1,103 +0,0 @@
#! @perl@ -w @perlFlags@
use utf8;
use strict;
use Nix::SSH;
use Nix::Config;
use Nix::Store;
use Nix::CopyClosure;
use List::Util qw(sum);
binmode STDERR, ":encoding(utf8)";
if (scalar @ARGV < 1) {
print STDERR <<EOF
Usage: nix-copy-closure [--from | --to] HOSTNAME [--gzip] [--bzip2] [--xz] PATHS...
EOF
;
exit 1;
}
# Get the target host.
my $sshHost;
my $toMode = 1;
my $includeOutputs = 0;
my $dryRun = 0;
my $useSubstitutes = 0;
my $verbosity = 1;
# !!! Copied from nix-pack-closure, should put this in a module.
my @storePaths = ();
while (@ARGV) {
my $arg = shift @ARGV;
if ($arg eq "--help") {
exec "man nix-copy-closure" or die;
}
elsif ($arg eq "--gzip" || $arg eq "--bzip2" || $arg eq "--xz") {
warn "$0: ‘$arg’ is not implemented\n" if $arg ne "--gzip";
push @globalSshOpts, "-C";
}
elsif ($arg eq "--from") {
$toMode = 0;
}
elsif ($arg eq "--to") {
$toMode = 1;
}
elsif ($arg eq "--include-outputs") {
$includeOutputs = 1;
}
elsif ($arg eq "--show-progress") {
warn "$0: ‘$arg’ is not implemented\n";
}
elsif ($arg eq "--dry-run") {
$dryRun = 1;
}
elsif ($arg eq "--use-substitutes" || $arg eq "-s") {
$useSubstitutes = 1;
}
elsif ($arg eq "-v") {
$verbosity++;
setVerbosity($verbosity);
}
elsif (!defined $sshHost) {
$sshHost = $arg;
}
else {
push @storePaths, $arg;
}
}
die "$0: you did not specify a host name\n" unless defined $sshHost;
if ($toMode) { # Copy TO the remote machine.
Nix::CopyClosure::copyTo(
$sshHost, [ @storePaths ],
$includeOutputs, $dryRun, $useSubstitutes);
}
else { # Copy FROM the remote machine.
my ($from, $to) = connectToRemoteNix($sshHost, []);
# Query the closure of the given store paths on the remote
# machine. Paths are assumed to be store paths; there is no
# resolution (following of symlinks).
syswrite($to, pack("L<x4L<x4", 7, $includeOutputs ? 1 : 0)) or die;
writeStrings(\@storePaths, $to);
my @missing = grep { !isValidPath($_) } readStrings($from);
# Export the store paths on the remote machine and import them locally.
if (scalar @missing > 0) {
print STDERR "copying ", scalar @missing, " missing paths from ‘$sshHost’...\n";
writeInt(5, $to); # == cmdExportPaths
writeInt(0, $to); # obsolete
writeStrings(\@missing, $to);
importPaths(fileno($from), 1);
}
}