$ git clone -n https://src.fedoraproject.org/rpms/ags.git /var/lib/mock/f41-build-1034200-18618/root/chroot_tmpdir/scmroot/ags
Cloning into '/var/lib/mock/f41-build-1034200-18618/root/chroot_tmpdir/scmroot/ags'...
$ git fetch origin 549a428dba91c46667f6505d19af03de3ce968e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ags
 * [new ref]         549a428dba91c46667f6505d19af03de3ce968e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 549a428 Eliminate use of obsolete %patchN syntax (#2283636)