$ git clone -n https://src.fedoraproject.org/rpms/gocr.git /var/lib/mock/f41-build-756806-13422/root/chroot_tmpdir/scmroot/gocr
Cloning into '/var/lib/mock/f41-build-756806-13422/root/chroot_tmpdir/scmroot/gocr'...
$ git fetch origin 9dac54c7a2e4fbeaf058e51c89702b0a1c635899:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gocr
 * [new ref]         9dac54c7a2e4fbeaf058e51c89702b0a1c635899 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dac54c Eliminate use of obsolete %patchN syntax (#2283636)