mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-10 08:16:15 +02:00
123 lines
2.7 KiB
Text
123 lines
2.7 KiB
Text
#! @perl@ -w -I@libexecdir@/nix
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use strict;
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my $addDrvLink = 0;
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my $addOutLink = 1;
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my $outLink;
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my $drvLink;
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my @instArgs = ();
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my @buildArgs = ();
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my @exprs = ();
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END {
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foreach my $fn (glob ".nix-build-tmp-*") {
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unlink $fn;
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}
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}
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sub intHandler {
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exit 1;
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}
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$SIG{'INT'} = 'intHandler';
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for (my $n = 0; $n < scalar @ARGV; $n++) {
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my $arg = $ARGV[$n];
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if ($arg eq "--help") {
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print STDERR <<EOF;
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Usage: nix-build [OPTION]... [FILE]...
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`nix-build' builds the given Nix expressions (which
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default to ./default.nix if none are given). A symlink called
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`result' is placed in the current directory.
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Flags:
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--add-drv-link: create a symlink `derivation' to the store derivation
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--drv-link NAME: create symlink NAME instead of `derivation'
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--no-out-link: do not create the `result' symlink
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--out-link / -o NAME: create symlink NAME instead of `result'
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--attr ATTR: select a specific attribution from the Nix expression
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Any additional flags are passed to `nix-store'.
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EOF
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exit 0;
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# '` hack
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}
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elsif ($arg eq "--add-drv-link") {
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$addDrvLink = 1;
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}
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elsif ($arg eq "--no-out-link" or $arg eq "--no-link") {
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$addOutLink = 1;
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}
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elsif ($arg eq "--drv-link") {
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$n++;
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die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
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$drvLink = $ARGV[$n];
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}
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elsif ($arg eq "--out-link" or $arg eq "-o") {
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$n++;
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die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
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$outLink = $ARGV[$n];
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}
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elsif ($arg eq "--attr" or $arg eq "-A") {
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$n++;
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die "$0: `--attr' requires an argument\n" unless $n < scalar @ARGV;
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push @instArgs, ("--attr", $ARGV[$n]);
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}
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elsif (substr($arg, 0, 1) eq "-") {
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push @buildArgs, $arg;
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}
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else {
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push @exprs, $arg;
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}
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}
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@exprs = ("./default.nix") if scalar @exprs == 0;
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if (!defined $drvLink) {
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$drvLink = "derivation";
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$drvLink = ".nix-build-tmp-" . $drvLink if !$addDrvLink;
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}
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if (!defined $outLink) {
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$outLink = "result";
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$outLink = ".nix-build-tmp-" . $outLink if !$addOutLink;
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}
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foreach my $expr (@exprs) {
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# Instantiate.
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my $drvPaths = `@bindir@/nix-instantiate --add-root "$drvLink" --indirect @instArgs "$expr"`;
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my @drvPaths = split ' ', $drvPaths;
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foreach my $drvPath (@drvPaths) {
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my $target = readlink $drvPath;
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print STDERR "store derivation is $target\n";
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}
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# Build.
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my $outPaths = `@bindir@/nix-store --add-root "$outLink" --indirect -rv @buildArgs @drvPaths`;
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my @outPaths = split ' ', $outPaths;
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foreach my $outPath (@outPaths) {
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my $target = readlink $outPath;
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print "$target\n";
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}
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}
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