$ git clone -n https://src.fedoraproject.org/rpms/libgeotiff.git /var/lib/mock/f40-build-739110-108842/root/chroot_tmpdir/scmroot/libgeotiff
Cloning into '/var/lib/mock/f40-build-739110-108842/root/chroot_tmpdir/scmroot/libgeotiff'...
$ git fetch origin 88e0597ca9e080f90f3131677aaad8faf4f41ef1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgeotiff
 * [new ref]         88e0597ca9e080f90f3131677aaad8faf4f41ef1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88e0597 Rebuild (proj)