diff options
Diffstat (limited to 'corepkgs')
| -rw-r--r-- | corepkgs/buildenv.nix | 3 | ||||
| -rw-r--r-- | corepkgs/buildenv.pl | 168 | ||||
| -rw-r--r-- | corepkgs/config.nix.in | 2 | ||||
| -rw-r--r-- | corepkgs/local.mk | 2 |
4 files changed, 3 insertions, 172 deletions
diff --git a/corepkgs/buildenv.nix b/corepkgs/buildenv.nix index 70981a752c3c..5e7b40eaa0cb 100644 --- a/corepkgs/buildenv.nix +++ b/corepkgs/buildenv.nix @@ -5,8 +5,7 @@ with import <nix/config.nix>; derivation { name = "user-environment"; system = builtins.currentSystem; - builder = perl; - args = [ "-w" ./buildenv.pl ]; + builder = nixLibexecDir + "/nix/buildenv"; inherit manifest; diff --git a/corepkgs/buildenv.pl b/corepkgs/buildenv.pl deleted file mode 100644 index dacc53701a01..000000000000 --- a/corepkgs/buildenv.pl +++ /dev/null @@ -1,168 +0,0 @@ -use strict; -use Cwd; -use IO::Handle; -use utf8; - -STDOUT->autoflush(1); - -my $out = $ENV{"out"}; -mkdir "$out", 0755 || die "error creating $out"; - - -my $symlinks = 0; - -my %priorities; - - -# For each activated package, create symlinks. - -sub createLinks { - my $srcDir = shift; - my $dstDir = shift; - my $priority = shift; - - my @srcFiles = glob("$srcDir/*"); - - foreach my $srcFile (@srcFiles) { - my $baseName = $srcFile; - $baseName =~ s/^.*\///g; # strip directory - my $dstFile = "$dstDir/$baseName"; - - # The files below are special-cased so that they don't show up - # in user profiles, either because they are useless, or - # because they would cause pointless collisions (e.g., each - # Python package brings its own - # `$out/lib/pythonX.Y/site-packages/easy-install.pth'.) - # Urgh, hacky... - if ($srcFile =~ /\/propagated-build-inputs$/ || - $srcFile =~ /\/nix-support$/ || - $srcFile =~ /\/perllocal.pod$/ || - $srcFile =~ /\/info\/dir$/ || - $srcFile =~ /\/log$/) - { - # Do nothing. - } - - elsif (-d $srcFile) { - - lstat $dstFile; - - if (-d _) { - createLinks($srcFile, $dstFile, $priority); - } - - elsif (-l _) { - my $target = readlink $dstFile or die; - if (!-d $target) { - die "collision between directory ‘$srcFile’ and non-directory ‘$target’"; - } - unlink $dstFile or die "error unlinking ‘$dstFile’: $!"; - mkdir $dstFile, 0755 || - die "error creating directory ‘$dstFile’: $!"; - createLinks($target, $dstFile, $priorities{$dstFile}); - createLinks($srcFile, $dstFile, $priority); - } - - else { - symlink($srcFile, $dstFile) || - die "error creating link ‘$dstFile’: $!"; - $priorities{$dstFile} = $priority; - $symlinks++; - } - } - - else { - - if (-l $dstFile) { - my $target = readlink $dstFile; - my $prevPriority = $priorities{$dstFile}; - die("collision between ‘$srcFile’ and ‘$target’; " . - "use ‘nix-env --set-flag priority NUMBER PKGNAME’ " . - "to change the priority of one of the conflicting packages\n") - if $prevPriority == $priority; - next if $prevPriority < $priority; - unlink $dstFile or die; - } - - symlink($srcFile, $dstFile) || - die "error creating link ‘$dstFile’: $!"; - $priorities{$dstFile} = $priority; - $symlinks++; - } - } -} - - -my %done; -my %postponed; - -sub addPkg; -sub addPkg { - my $pkgDir = shift; - my $priority = shift; - - return if (defined $done{$pkgDir}); - $done{$pkgDir} = 1; - -# print "symlinking $pkgDir\n"; - createLinks("$pkgDir", "$out", $priority); - - my $propagatedFN = "$pkgDir/nix-support/propagated-user-env-packages"; - if (-e $propagatedFN) { - open PROP, "<$propagatedFN" or die; - my $propagated = <PROP>; - close PROP; - my @propagated = split ' ', $propagated; - foreach my $p (@propagated) { - $postponed{$p} = 1 unless defined $done{$p}; - } - } -} - - -# Convert the stuff we get from the environment back into a coherent -# data type. -my @pkgs; -my @derivations = split ' ', $ENV{"derivations"}; -while (scalar @derivations) { - my $active = shift @derivations; - my $priority = shift @derivations; - my $outputs = shift @derivations; - for (my $n = 0; $n < $outputs; $n++) { - my $path = shift @derivations; - push @pkgs, - { path => $path - , active => $active ne "false" - , priority => int($priority) }; - } -} - - -# Symlink to the packages that have been installed explicitly by the -# user. Process in priority order to reduce unnecessary -# symlink/unlink steps. -@pkgs = sort { $a->{priority} <=> $b->{priority} || $a->{path} cmp $b->{path} } @pkgs; -foreach my $pkg (@pkgs) { - #print $pkg, " ", $pkgs{$pkg}->{priority}, "\n"; - addPkg($pkg->{path}, $pkg->{priority}) if $pkg->{active}; -} - - -# Symlink to the packages that have been "propagated" by packages -# installed by the user (i.e., package X declares that it wants Y -# installed as well). We do these later because they have a lower -# priority in case of collisions. -my $priorityCounter = 1000; # don't care about collisions -while (scalar(keys %postponed) > 0) { - my @pkgDirs = keys %postponed; - %postponed = (); - foreach my $pkgDir (sort @pkgDirs) { - addPkg($pkgDir, $priorityCounter++); - } -} - - -print STDERR "created $symlinks symlinks in user environment\n"; - - -symlink($ENV{"manifest"}, "$out/manifest.nix") or die "cannot create manifest"; diff --git a/corepkgs/config.nix.in b/corepkgs/config.nix.in index 90e8edbea833..f0f4890a32fd 100644 --- a/corepkgs/config.nix.in +++ b/corepkgs/config.nix.in @@ -3,7 +3,6 @@ let let val = builtins.getEnv var; in if val != "" then val else def; in rec { - perl = "@perl@"; shell = "@bash@"; coreutils = "@coreutils@"; bzip2 = "@bzip2@"; @@ -14,6 +13,7 @@ in rec { tr = "@tr@"; nixBinDir = fromEnv "NIX_BIN_DIR" "@bindir@"; nixPrefix = "@prefix@"; + nixLibexecDir = fromEnv "NIX_LIBEXEC_DIR" "@libexecdir@"; # If Nix is installed in the Nix store, then automatically add it as # a dependency to the core packages. This ensures that they work diff --git a/corepkgs/local.mk b/corepkgs/local.mk index 19c1d06962c0..8ea66a7c3e2f 100644 --- a/corepkgs/local.mk +++ b/corepkgs/local.mk @@ -1,4 +1,4 @@ -corepkgs_FILES = nar.nix buildenv.nix buildenv.pl unpack-channel.nix derivation.nix fetchurl.nix imported-drv-to-derivation.nix +corepkgs_FILES = nar.nix buildenv.nix unpack-channel.nix derivation.nix fetchurl.nix imported-drv-to-derivation.nix $(foreach file,config.nix $(corepkgs_FILES),$(eval $(call install-data-in,$(d)/$(file),$(datadir)/nix/corepkgs))) |