forked from lix-project/lix
* Better error checking.
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@ -110,9 +110,9 @@ foreach my $expr (@exprs) {
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# Instantiate.
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my @drvPaths;
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open DRVPATHS, "-|", "@bindir@/nix-instantiate", "--add-root", $drvLink, "--indirect", @instArgs, $expr;
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my $pid = open DRVPATHS, "-|", "@bindir@/nix-instantiate", "--add-root", $drvLink, "--indirect", @instArgs, $expr;
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while (<DRVPATHS>) {chomp; push @drvPaths, $_;}
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close DRVPATHS;
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close DRVPATHS or die;
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foreach my $drvPath (@drvPaths) {
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my $target = readlink $drvPath;
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