$ git clone -n https://src.fedoraproject.org/rpms/rust-gst-plugin-gif.git /var/lib/mock/f41-build-810734-146921/root/chroot_tmpdir/scmroot/rust-gst-plugin-gif
Cloning into '/var/lib/mock/f41-build-810734-146921/root/chroot_tmpdir/scmroot/rust-gst-plugin-gif'...
$ git fetch origin a9da478c38cfdf45428cb8b487a405c30b4f958f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gst-plugin-gif
 * [new ref]         a9da478c38cfdf45428cb8b487a405c30b4f958f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9da478 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces