$ git clone -n https://src.fedoraproject.org/rpms/python-gerritlib.git /var/lib/mock/f39-build-1429991-31698/root/chroot_tmpdir/scmroot/python-gerritlib
Cloning into '/var/lib/mock/f39-build-1429991-31698/root/chroot_tmpdir/scmroot/python-gerritlib'...
$ git fetch origin e5fdc190a662129fa4bdd1c438170640844c49a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-gerritlib
 * [new ref]         e5fdc190a662129fa4bdd1c438170640844c49a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5fdc19 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild