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* nix-build: put the temporary derivation symlink in a temporary

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directory rather than the current directory.
* nix-build: --drv-link now implies --add-drv-link.
This commit is contained in:
Eelco Dolstra 2012-01-13 23:35:07 +00:00
parent 7ae763e16b
commit 2a3f4110c5
3 changed files with 27 additions and 54 deletions
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10
doc/manual/manual.xml
View file

@ -21,17 +21,11 @@
</author>
<copyright>
<year>2004</year>
<year>2005</year>
<year>2006</year>
<year>2007</year>
<year>2008</year>
<year>2009</year>
<year>2010</year>
<year>2004-2012</year>
<holder>Eelco Dolstra</holder>
</copyright>
<date>August 2010</date>
<date>January 2012</date>
</info>

34
doc/manual/nix-build.xml
View file

@ -28,8 +28,8 @@
</group>
<replaceable>attrPath</replaceable>
</arg>
<arg><option>--add-drv-link</option></arg>
<arg><option>--drv-link </option><replaceable>drvlink</replaceable></arg>
<arg><option>--add-drv-link</option></arg>
<arg><option>--no-out-link</option></arg>
<arg>
<group choice='req'>
@ -83,26 +83,25 @@ except for <option>--arg</option> and <option>--attr</option> /
<variablelist>
<varlistentry><term><option>--add-drv-link</option></term>
<listitem><para>Add a symlink in the current directory to the
store derivation produced by <command>nix-instantiate</command>.
The symlink is called <filename>derivation</filename> (which is
numbered in the case of multiple derivations). The derivation is
a root of the garbage collector until the symlink is deleted or
renamed.</para></listitem>
</varlistentry>
<varlistentry><term><option>--drv-link</option> <replaceable>drvlink</replaceable></term>
<listitem><para>Change the name of the symlink to the derivation
created when <option>--add-drv-link</option> is used from
<filename>derivation</filename> to
<replaceable>drvlink</replaceable>.</para></listitem>
<listitem><para>Add a symlink named
<replaceable>drvlink</replaceable> to the store derivation
produced by <command>nix-instantiate</command>. The derivation is
a root of the garbage collector until the symlink is deleted or
renamed. If there are multiple derivations, numbers are suffixed
to <replaceable>drvlink</replaceable> to distinguish between
them.</para></listitem>
</varlistentry>
<varlistentry><term><option>--add-drv-link</option></term>
<listitem><para>Shorthand for <option>--drv-link</option>
<filename>./derivation</filename>.</para></listitem>
</varlistentry>
<varlistentry><term><option>--no-out-link</option></term>
<listitem><para>Do not create a symlink to the output path. Note
@ -116,8 +115,7 @@ except for <option>--arg</option> and <option>--attr</option> /
<option>-o</option> <replaceable>outlink</replaceable></term>
<listitem><para>Change the name of the symlink to the output path
created unless <option>--no-out-link</option> is used from
<filename>result</filename> to
created from <filename>result</filename> to
<replaceable>outlink</replaceable>.</para></listitem>
</varlistentry>

37
scripts/nix-build.in
View file

@ -2,14 +2,9 @@
use strict;
use Nix::Config;
use File::Temp qw(tempdir);
my $addDrvLink = 0;
my $addOutLink = 1;
my $outLink;
my $drvLink;
my $dryRun = 0;
my $verbose = 0;
@ -18,17 +13,14 @@ my @buildArgs = ();
my @exprs = ();
END {
foreach my $fn (glob ".nix-build-tmp-*") {
unlink $fn;
}
}
my $tmpDir = tempdir("nix-build.XXXXXX", CLEANUP => 1, TMPDIR => 1)
or die "cannot create a temporary directory";
sub intHandler {
exit 1;
}
my $outLink = "./result";
my $drvLink = "$tmpDir/derivation";
$SIG{'INT'} = 'intHandler';
# Ensure that the $tmpDir is deleted.
$SIG{'INT'} = sub { exit 1 };
for (my $n = 0; $n < scalar @ARGV; $n++) {
@ -56,11 +48,11 @@ EOF
}
elsif ($arg eq "--add-drv-link") {
$addDrvLink = 1;
$drvLink = "./derivation";
}
elsif ($arg eq "--no-out-link" or $arg eq "--no-link") {
$addOutLink = 0;
$outLink = "$tmpDir/result";
}
elsif ($arg eq "--drv-link") {
@ -139,17 +131,6 @@ 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.