$ git clone -n https://src.fedoraproject.org/rpms/flang.git /var/lib/mock/f40-build-799726-142583/root/chroot_tmpdir/scmroot/flang
Cloning into '/var/lib/mock/f40-build-799726-142583/root/chroot_tmpdir/scmroot/flang'...
$ git fetch origin 62c0d92ac758fb2ef54ce71b6c43575067c6c230:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flang
 * [new ref]         62c0d92ac758fb2ef54ce71b6c43575067c6c230 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62c0d92 18.1.1 Release