$ git clone -n https://src.fedoraproject.org/rpms/xdms.git /var/lib/mock/f41-build-1183018-21984/root/chroot_tmpdir/scmroot/xdms
Cloning into '/var/lib/mock/f41-build-1183018-21984/root/chroot_tmpdir/scmroot/xdms'...
$ git fetch origin 76781cb591d316cc2075761703d300e03f4d6d54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdms
 * [new ref]         76781cb591d316cc2075761703d300e03f4d6d54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76781cb Eliminate use of obsolete %patchN syntax (#2283636)