$ git clone -n https://src.fedoraproject.org/rpms/flang.git /var/lib/mock/f41-build-754383-13410/root/chroot_tmpdir/scmroot/flang
Cloning into '/var/lib/mock/f41-build-754383-13410/root/chroot_tmpdir/scmroot/flang'...
$ git fetch origin a5675736b8e1198a02cb2522a5595b678034bd27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flang
 * [new ref]         a5675736b8e1198a02cb2522a5595b678034bd27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a567573 18.1.6 Release