$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-archive.git /var/lib/mock/f40-build-2666735-67126/root/chroot_tmpdir/scmroot/rust-gix-archive
Cloning into '/var/lib/mock/f40-build-2666735-67126/root/chroot_tmpdir/scmroot/rust-gix-archive'...
$ git fetch origin 86e60ea7464cc36e431fec57cab9289b9d44af8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-archive
 * [new ref]         86e60ea7464cc36e431fec57cab9289b9d44af8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86e60ea Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild