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Merge pull request #22 from samueldr/fix/bttf-guard

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Fixes channel going back in time due to incomplete change.
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Eelco Dolstra 2018-08-30 16:06:37 +02:00 committed by GitHub
parent e9587f9388 d313d2bd51
commit 8dfa9f37c8
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 7 deletions
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6
mirror-nixos-branch.pl
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@ -72,13 +72,11 @@ my $rev = $evalInfo->{jobsetevalinputs}->{nixpkgs}->{revision} or die;
print STDERR "release is ‘$releaseName’ (build $releaseId), eval is $evalId, prefix is $releasePrefix, Git commit is $rev\n";
# Guard against the channel going back in time.
my $curReleaseDir = readlink "$channelsDir/$channelName";
if (defined $curReleaseDir) {
my $curRelease = basename($curReleaseDir);
my @releaseUrl = split(/\//, read_file("$channelsDir/$channelName", err_mode => 'quiet') // "");
my $curRelease = pop @releaseUrl;
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 $d == 1;
}
if ($bucket->head_key("$releasePrefix")) {
print STDERR "release already exists\n";