$ git clone -n https://src.fedoraproject.org/rpms/booth.git /var/lib/mock/f39-build-1542453-36518/root/chroot_tmpdir/scmroot/booth
Cloning into '/var/lib/mock/f39-build-1542453-36518/root/chroot_tmpdir/scmroot/booth'...
$ git fetch origin d1dc7ab52bff837ddfb255e1493d06b77a9a8a54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/booth
 * [new ref]         d1dc7ab52bff837ddfb255e1493d06b77a9a8a54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1dc7ab Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild