$ git clone -n https://src.fedoraproject.org/rpms/lash.git /var/lib/mock/f41-build-1201474-22419/root/chroot_tmpdir/scmroot/lash
Cloning into '/var/lib/mock/f41-build-1201474-22419/root/chroot_tmpdir/scmroot/lash'...
$ git fetch origin 3c143a06afef682241f168640e9eac0da6b4b627:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lash
 * [new ref]         3c143a06afef682241f168640e9eac0da6b4b627 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c143a0 Eliminate use of obsolete %patchN syntax (#2283636)