$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-memory.git /var/lib/mock/f41-build-787171-13594/root/chroot_tmpdir/scmroot/golang-modernc-memory
Cloning into '/var/lib/mock/f41-build-787171-13594/root/chroot_tmpdir/scmroot/golang-modernc-memory'...
$ git fetch origin 3339686fbca05c5532ed5ad93471fecc96a95dbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-memory
 * [new ref]         3339686fbca05c5532ed5ad93471fecc96a95dbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3339686 Update to 1.8.0