$ git clone -n https://src.fedoraproject.org/rpms/bogl.git /var/lib/mock/f41-build-1057126-19395/root/chroot_tmpdir/scmroot/bogl
Cloning into '/var/lib/mock/f41-build-1057126-19395/root/chroot_tmpdir/scmroot/bogl'...
$ git fetch origin f7380548d09cc440b482533142f05d71bd66b26c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bogl
 * [new ref]         f7380548d09cc440b482533142f05d71bd66b26c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f738054 Eliminate use of obsolete %patchN syntax (#2283636)