$ git clone -n https://src.fedoraproject.org/rpms/glsl-analyzer.git /var/lib/mock/f41-build-858550-168442/root/chroot_tmpdir/scmroot/glsl-analyzer
Cloning into '/var/lib/mock/f41-build-858550-168442/root/chroot_tmpdir/scmroot/glsl-analyzer'...
$ git fetch origin 6938d6d0368d79c8704932c2777db891c961ce65:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/glsl-analyzer
 * [new ref]         6938d6d0368d79c8704932c2777db891c961ce65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6938d6d Rebuild with conditionally disabled tests