$ git clone -n https://src.fedoraproject.org/rpms/python-cysignals.git /var/lib/mock/f39-build-1762095-41498/root/chroot_tmpdir/scmroot/python-cysignals
Cloning into '/var/lib/mock/f39-build-1762095-41498/root/chroot_tmpdir/scmroot/python-cysignals'...
$ git fetch origin d84e3bf8b1b41fd1abdd7cb8514b4c09900a8154:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cysignals
 * [new ref]         d84e3bf8b1b41fd1abdd7cb8514b4c09900a8154 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d84e3bf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild