$ git clone -n https://src.fedoraproject.org/rpms/gavl.git /var/lib/mock/f41-build-1034986-18652/root/chroot_tmpdir/scmroot/gavl
Cloning into '/var/lib/mock/f41-build-1034986-18652/root/chroot_tmpdir/scmroot/gavl'...
$ git fetch origin b659524a32073bcb4a39a7a356eb7fa9d9877380:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gavl
 * [new ref]         b659524a32073bcb4a39a7a356eb7fa9d9877380 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b659524 Eliminate use of obsolete %patchN syntax (#2283636)