$ git clone -n https://src.fedoraproject.org/rpms/lcdtest.git /var/lib/mock/f41-build-1144826-21156/root/chroot_tmpdir/scmroot/lcdtest
Cloning into '/var/lib/mock/f41-build-1144826-21156/root/chroot_tmpdir/scmroot/lcdtest'...
$ git fetch origin 342c35f117ff5b4aca7944e692791fc83626b914:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lcdtest
 * [new ref]         342c35f117ff5b4aca7944e692791fc83626b914 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 342c35f Eliminate use of obsolete %patchN syntax (#2283636)