$ git clone -n https://src.fedoraproject.org/rpms/caja.git /var/lib/mock/f39-build-1524761-36035/root/chroot_tmpdir/scmroot/caja
Cloning into '/var/lib/mock/f39-build-1524761-36035/root/chroot_tmpdir/scmroot/caja'...
$ git fetch origin 244c13f3215180705f041b30b15bde1adc606d75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/caja
 * [new ref]         244c13f3215180705f041b30b15bde1adc606d75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 244c13f update to 1.26.3