$ git clone -n https://src.fedoraproject.org/rpms/gobject-introspection.git /var/lib/mock/f40-build-802275-143979/root/chroot_tmpdir/scmroot/gobject-introspection
Cloning into '/var/lib/mock/f40-build-802275-143979/root/chroot_tmpdir/scmroot/gobject-introspection'...
$ git fetch origin 37fb2c1f50c9d787a415f70a637f35e903fb77ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gobject-introspection
 * [new ref]         37fb2c1f50c9d787a415f70a637f35e903fb77ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37fb2c1 Update to 1.80.0