$ git clone -n https://src.fedoraproject.org/rpms/gfal2-python.git /var/lib/mock/f40-build-734251-105821/root/chroot_tmpdir/scmroot/gfal2-python
Cloning into '/var/lib/mock/f40-build-734251-105821/root/chroot_tmpdir/scmroot/gfal2-python'...
$ git fetch origin c3c281bdedf5aab2e187b55a1767eea3afe451e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gfal2-python
 * [new ref]         c3c281bdedf5aab2e187b55a1767eea3afe451e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3c281b Upgrade to upstream release 1.12.1