$ git clone -n https://src.fedoraproject.org/rpms/liblas.git /var/lib/mock/f41-build-side-1-2820701-33177/root/chroot_tmpdir/scmroot/liblas
Cloning into '/var/lib/mock/f41-build-side-1-2820701-33177/root/chroot_tmpdir/scmroot/liblas'...
$ git fetch origin 405d2b0b3f37fa7771101e8800e17743701dd980:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liblas
 * [new ref]         405d2b0b3f37fa7771101e8800e17743701dd980 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 405d2b0 BR: zlib-ng-compat-static