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Fix email notifications for jobsets w/git-inputs

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I started to wonder quite recently why Hydra doesn't send email
notifications anymore to me. I saw the following issue in the log of
`hydra-notify.service`:

    May 22 11:57:29 hydra 9bik0bxyxbrklhx6lqwifd6af8kj84va-hydra-notify[1887289]: fatal: unsafe repository ('/var/lib/hydra/scm/git/3e70c16c266ef70dc4198705a688acccf71e932878f178277c9ac47d133cc663' is owned by someone else)
    May 22 11:57:29 hydra 9bik0bxyxbrklhx6lqwifd6af8kj84va-hydra-notify[1887289]: To add an exception for this directory, call:
    May 22 11:57:29 hydra 9bik0bxyxbrklhx6lqwifd6af8kj84va-hydra-notify[1887289]:         git config --global --add safe.directory /var/lib/hydra/scm/git/3e70c16c266ef70dc4198705a688acccf71e932878f178277c9ac47d133cc663
    May 22 11:57:29 hydra 9bik0bxyxbrklhx6lqwifd6af8kj84va-hydra-notify[1886654]: error running build_finished hooks: command `git log --pretty=format:%H%x09%an%x09%ae%x09%at b0c30a7557685d25a8ab3f34fdb775e66db0bc4c..eaf28389fcebc2beca13a802f79b2cca6e9ca309 --git-dir=.git' failed with e>

This is also a problem because of Git's fix for CVE-2022-24765[1], so I
applied the same fix as for Nix[2], by using `--git-dir` which skips the
code-path for the ownership-check[3].

[1] https://lore.kernel.org/git/xmqqv8veb5i6.fsf@gitster.g/
[2] https://github.com/NixOS/nix/pull/6440
[3] To quote `git(1)`:
    > Specifying the location of the ".git" directory using this option
    > (or GIT_DIR environment variable) turns off the repository
    > discovery that tries to find a directory with ".git" subdirectory
This commit is contained in:
Maximilian Bosch 2022-05-22 14:14:14 +02:00
parent 27023b514a
commit a8b590014b
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GPG key ID: 091DBF4D1FC46B8E
1 changed files with 1 additions and 1 deletions
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2
src/lib/Hydra/Plugin/GitInput.pm
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@ -261,7 +261,7 @@ sub getCommits {
my $clonePath = getSCMCacheDir . "/git/" . sha256_hex($uri);
my $out = grab(cmd => ["git", "log", "--pretty=format:%H%x09%an%x09%ae%x09%at", "$rev1..$rev2"], dir => $clonePath);
my $out = grab(cmd => ["git", "--git-dir=.git", "log", "--pretty=format:%H%x09%an%x09%ae%x09%at", "$rev1..$rev2"], dir => $clonePath);
my $res = [];
foreach my $line (split /\n/, $out) {