$ git clone -n https://src.fedoraproject.org/rpms/algobox.git /var/lib/mock/f40-build-2261667-54444/root/chroot_tmpdir/scmroot/algobox
Cloning into '/var/lib/mock/f40-build-2261667-54444/root/chroot_tmpdir/scmroot/algobox'...
$ git fetch origin a44da5c9b7d53f976a24ee3f9c1db13352a0b72a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/algobox
 * [new ref]         a44da5c9b7d53f976a24ee3f9c1db13352a0b72a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a44da5c Update to 1.1.1