$ git clone -n https://src.fedoraproject.org/rpms/liblayout.git /var/lib/mock/f41-build-817526-14304/root/chroot_tmpdir/scmroot/liblayout
Cloning into '/var/lib/mock/f41-build-817526-14304/root/chroot_tmpdir/scmroot/liblayout'...
$ git fetch origin c6390728df10fe27b3c450d1b41391141de4f064:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liblayout
 * [new ref]         c6390728df10fe27b3c450d1b41391141de4f064 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c639072 Eliminate use of obsolete %patchN syntax (#2283636)