$ git clone -n https://src.fedoraproject.org/rpms/jss.git /var/lib/mock/f40-build-750671-115161/root/chroot_tmpdir/scmroot/jss
Cloning into '/var/lib/mock/f40-build-750671-115161/root/chroot_tmpdir/scmroot/jss'...
$ git fetch origin 33742c45895518e8e7be3ab4f4d71463ab4362a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jss
 * [new ref]         33742c45895518e8e7be3ab4f4d71463ab4362a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33742c4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild