$ git clone -n https://src.fedoraproject.org/rpms/flamp.git /var/lib/mock/f41-build-851092-165857/root/chroot_tmpdir/scmroot/flamp
Cloning into '/var/lib/mock/f41-build-851092-165857/root/chroot_tmpdir/scmroot/flamp'...
$ git fetch origin 7b6b2b51d3b354d660c2a773c8af43111e06c77a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flamp
 * [new ref]         7b6b2b51d3b354d660c2a773c8af43111e06c77a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b6b2b5 Update to 2.2.14.