$ git clone -n https://src.fedoraproject.org/rpms/gosnake.git /var/lib/mock/f40-build-2241113-53661/root/chroot_tmpdir/scmroot/gosnake
Cloning into '/var/lib/mock/f40-build-2241113-53661/root/chroot_tmpdir/scmroot/gosnake'...
$ git fetch origin 2ba277fe3b14646ae3aa2f7b4f9c75ecf59badc3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gosnake
 * [new ref]         2ba277fe3b14646ae3aa2f7b4f9c75ecf59badc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ba277f Orphaned for 6+ weeks