$ git clone -n https://src.fedoraproject.org/rpms/rust-cbindgen.git /var/lib/mock/f41-build-811028-147135/root/chroot_tmpdir/scmroot/rust-cbindgen
Cloning into '/var/lib/mock/f41-build-811028-147135/root/chroot_tmpdir/scmroot/rust-cbindgen'...
$ git fetch origin 4a7442098e19c7ded98391aad189ca7137be3c84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cbindgen
 * [new ref]         4a7442098e19c7ded98391aad189ca7137be3c84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a74420 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces