$ git clone -n https://src.fedoraproject.org/rpms/rust-rbspy.git /var/lib/mock/f41-build-810661-146873/root/chroot_tmpdir/scmroot/rust-rbspy
Cloning into '/var/lib/mock/f41-build-810661-146873/root/chroot_tmpdir/scmroot/rust-rbspy'...
$ git fetch origin 00278ca9f193d05dabcc34df354b33d3c6e4a640:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rbspy
 * [new ref]         00278ca9f193d05dabcc34df354b33d3c6e4a640 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00278ca Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces