$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-config.git /var/lib/mock/f40-build-2637445-66225/root/chroot_tmpdir/scmroot/rust-gix-config
Cloning into '/var/lib/mock/f40-build-2637445-66225/root/chroot_tmpdir/scmroot/rust-gix-config'...
$ git fetch origin f91ed576c82d792a4fd5d6c574ee8cebd198675c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-config
 * [new ref]         f91ed576c82d792a4fd5d6c574ee8cebd198675c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f91ed57 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild