JakeHillion/nixpkgs
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setup-etc.pl: Fail when symlink/rename fails

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When atomicSymlink can't symlink or rename, it should return failure. This is then handled with `... or die` and `... or warn`
This commit is contained in:
wmertens 2014-10-06 08:00:11 +02:00
parent d3a7c50364
commit 36641d9e69
1 changed files with 2 additions and 2 deletions
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4
nixos/modules/system/etc/setup-etc.pl
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@ -12,8 +12,8 @@ sub atomicSymlink {
my ($source, $target) = @_;
my $tmp = "$target.tmp";
unlink $tmp;
symlink $source, $tmp or return 1;
rename $tmp, $target or return 1;
symlink $source, $tmp or return 0;
rename $tmp, $target or return 0;
return 1;
}