$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-CheckChanges.git /var/lib/mock/f39-build-1602793-38571/root/chroot_tmpdir/scmroot/perl-Test-CheckChanges
Cloning into '/var/lib/mock/f39-build-1602793-38571/root/chroot_tmpdir/scmroot/perl-Test-CheckChanges'...
$ git fetch origin 3bfe59d47e9fffeccb6497a3f85c4f7cb98e733b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-CheckChanges
 * [new ref]         3bfe59d47e9fffeccb6497a3f85c4f7cb98e733b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bfe59d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild