$ git clone -n https://src.fedoraproject.org/rpms/python-jack-client.git /var/lib/mock/f39-build-1573849-37830/root/chroot_tmpdir/scmroot/python-jack-client
Cloning into '/var/lib/mock/f39-build-1573849-37830/root/chroot_tmpdir/scmroot/python-jack-client'...
$ git fetch origin 059d71540d1bcb450f2fcee657a7e686fecd9670:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jack-client
 * [new ref]         059d71540d1bcb450f2fcee657a7e686fecd9670 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 059d715 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild