$ git clone -n https://src.fedoraproject.org/rpms/falkon.git /var/lib/mock/f41-build-861770-170046/root/chroot_tmpdir/scmroot/falkon
Cloning into '/var/lib/mock/f41-build-861770-170046/root/chroot_tmpdir/scmroot/falkon'...
$ git fetch origin d6ff7691aa41a6b2466db7e494e79e80c43ffd95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/falkon
 * [new ref]         d6ff7691aa41a6b2466db7e494e79e80c43ffd95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6ff769 Merge branch 'rawhide' into f40