$ git clone -n https://src.fedoraproject.org/rpms/python-pem.git /var/lib/mock/f39-build-1539863-36453/root/chroot_tmpdir/scmroot/python-pem
Cloning into '/var/lib/mock/f39-build-1539863-36453/root/chroot_tmpdir/scmroot/python-pem'...
$ git fetch origin cb681144293d1e3f4d6cb910cd43142479606047:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pem
 * [new ref]         cb681144293d1e3f4d6cb910cd43142479606047 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb68114 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild