$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Version.git /var/lib/mock/f39-build-1442056-32430/root/chroot_tmpdir/scmroot/perl-Test-Version
Cloning into '/var/lib/mock/f39-build-1442056-32430/root/chroot_tmpdir/scmroot/perl-Test-Version'...
$ git fetch origin 78993f0cb6026c612b35c818a0e6ff3c1d3707f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Version
 * [new ref]         78993f0cb6026c612b35c818a0e6ff3c1d3707f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78993f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild