$ git clone -n https://src.fedoraproject.org/rpms/perl-DBD-Mock.git /var/lib/mock/f39-build-1434358-31922/root/chroot_tmpdir/scmroot/perl-DBD-Mock
Cloning into '/var/lib/mock/f39-build-1434358-31922/root/chroot_tmpdir/scmroot/perl-DBD-Mock'...
$ git fetch origin d918e6135c05fa044959602541db0e0f0ae48461:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBD-Mock
 * [new ref]         d918e6135c05fa044959602541db0e0f0ae48461 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d918e61 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild