$ git clone -n https://src.fedoraproject.org/rpms/jbigkit.git /var/lib/mock/f42-build-3308291-41426/root/chroot_tmpdir/scmroot/jbigkit
Cloning into '/var/lib/mock/f42-build-3308291-41426/root/chroot_tmpdir/scmroot/jbigkit'...
$ git fetch origin e2aef44999ee0eb62980c8c24d2ded66ee535aa3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jbigkit
 * [new ref]         e2aef44999ee0eb62980c8c24d2ded66ee535aa3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2aef44 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild