$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-commitgraph.git /var/lib/mock/f40-build-2512926-61714/root/chroot_tmpdir/scmroot/rust-gix-commitgraph
Cloning into '/var/lib/mock/f40-build-2512926-61714/root/chroot_tmpdir/scmroot/rust-gix-commitgraph'...
$ git fetch origin bc5de3a33e4abf951ba61c6340a9b44ae03ded18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-commitgraph
 * [new ref]         bc5de3a33e4abf951ba61c6340a9b44ae03ded18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc5de3a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild