$ git clone -n https://src.fedoraproject.org/rpms/rust-pangocairo-sys0.15.git /var/lib/mock/f38-build-side-43-rust-devel-1411266-31430/root/chroot_tmpdir/scmroot/rust-pangocairo-sys0.15
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411266-31430/root/chroot_tmpdir/scmroot/rust-pangocairo-sys0.15'...
$ git fetch origin 6e314d37f508ead4d40f85168a8f97bfb3d9b746:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pangocairo-sys0.15
 * [new ref]         6e314d37f508ead4d40f85168a8f97bfb3d9b746 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e314d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild