$ git clone -n https://src.fedoraproject.org/rpms/rsh.git /var/lib/mock/f41-build-700928-12894/root/chroot_tmpdir/scmroot/rsh
Cloning into '/var/lib/mock/f41-build-700928-12894/root/chroot_tmpdir/scmroot/rsh'...
$ git fetch origin 279f78ee381e4613436b9004d74f7b0e3e300245:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rsh
 * [new ref]         279f78ee381e4613436b9004d74f7b0e3e300245 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 279f78e Eliminate use of obsolete %patchN syntax (#2283636)