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* Allow the resulting symlink of nix-build to be named, e.g.,

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$ nix-build .../i686-linux.nix -A apacheHttpd -o apache
This commit is contained in:
Eelco Dolstra 2006-03-14 16:35:01 +00:00
parent fdea084c36
commit 05bb644890
1 changed files with 31 additions and 9 deletions
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40
scripts/nix-build.in
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@ -6,6 +6,9 @@ use strict;
my $addDrvLink = 0;
my $addOutLink = 1;
my $outLink;
my $drvLink;
my @instArgs = ();
my @buildArgs = ();
my @exprs = ();
@ -37,13 +40,15 @@ default to ./default.nix if none are given). A symlink called
Flags:
--add-drv-link: create a symlink `derivation' to the store derivation
--drv-link NAME: create symlink NAME instead of `derivation'
--no-out-link: do not create the `result' symlink
--out-link / -o NAME: create symlink NAME instead of `result'
--attr ATTR: select a specific attribution from the Nix expression
Any additional flags are passed to `nix-store'.
EOF
exit 0;
# ' hack
# '` hack
}
elsif ($arg eq "--add-drv-link") {
@ -54,6 +59,18 @@ EOF
$addOutLink = 1;
}
elsif ($arg eq "--drv-link") {
$n++;
die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
$drvLink = $ARGV[$n];
}
elsif ($arg eq "--out-link" or $arg eq "-o") {
$n++;
die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
$outLink = $ARGV[$n];
}
elsif ($arg eq "--attr" or $arg eq "-A") {
$n++;
die "$0: `--attr' requires an argument\n" unless $n < scalar @ARGV;
@ -72,13 +89,21 @@ EOF
@exprs = ("./default.nix") if scalar @exprs == 0;
if (!defined $drvLink) {
$drvLink = "derivation";
$drvLink = ".nix-build-tmp-" . $drvLink if !$addDrvLink;
}
if (!defined $outLink) {
$outLink = "result";
$outLink = ".nix-build-tmp-" . $outLink if !$addOutLink;
}
foreach my $expr (@exprs) {
# Instantiate.
my $prefix = "";
$prefix = ".nix-build-tmp-" if !$addDrvLink;
my $drvPaths = `@bindir@/nix-instantiate --add-root ./${prefix}derivation --indirect @instArgs "$expr"`;
my $drvPaths = `@bindir@/nix-instantiate --add-root "$drvLink" --indirect @instArgs "$expr"`;
my @drvPaths = split ' ', $drvPaths;
foreach my $drvPath (@drvPaths) {
@ -87,10 +112,7 @@ foreach my $expr (@exprs) {
}
# Build.
$prefix = "";
$prefix = ".nix-build-tmp-" if !$addOutLink;
my $outPaths = `@bindir@/nix-store --add-root ./${prefix}result --indirect -rv @buildArgs @drvPaths`;
my $outPaths = `@bindir@/nix-store --add-root "$outLink" --indirect -rv @buildArgs @drvPaths`;
my @outPaths = split ' ', $outPaths;
foreach my $outPath (@outPaths) {