$ git clone -n https://src.fedoraproject.org/rpms/rust-matrixcompare.git /var/lib/mock/f38-build-side-43-rust-devel-1410377-31416/root/chroot_tmpdir/scmroot/rust-matrixcompare
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1410377-31416/root/chroot_tmpdir/scmroot/rust-matrixcompare'...
$ git fetch origin a8b00bd5ee5c2d88062e086deef2609dee303d8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-matrixcompare
 * [new ref]         a8b00bd5ee5c2d88062e086deef2609dee303d8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8b00bd Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild