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Merge pull request #28 from NixOS/back-in-time-exit-code

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mirror-nixos-branch.pl: exit 0 if the channel would go back in time
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Eelco Dolstra 2019-11-15 17:06:16 +01:00 committed by GitHub
parent fac8ec969e 7ee70fd479
commit 0df25e1e8f
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1 changed files with 5 additions and 1 deletions
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mirror-nixos-branch.pl
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@ -77,7 +77,11 @@ my @curReleaseUrl = split(/\//, read_file("$channelsDir/$channelName", err_mode
my $curRelease = pop @curReleaseUrl;
my $d = `NIX_PATH= nix-instantiate --eval -E "builtins.compareVersions (builtins.parseDrvName \\"$curRelease\\").version (builtins.parseDrvName \\"$releaseName\\").version"`;
chomp $d;
die "channel would go back in time from $curRelease to $releaseName, bailing out\n" if $d == 1;
if ($d == 1) {
warn("channel would go back in time from $curRelease to $releaseName, bailing out\n");
exit;
}
exit if $d == 0;
if ($bucket->head_key("$releasePrefix")) {