$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-pack.git /var/lib/mock/f40-build-2520808-61794/root/chroot_tmpdir/scmroot/rust-gix-pack
Cloning into '/var/lib/mock/f40-build-2520808-61794/root/chroot_tmpdir/scmroot/rust-gix-pack'...
$ git fetch origin 039ad2982583264eb3283cecd3971ef7b79b8ff0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-pack
 * [new ref]         039ad2982583264eb3283cecd3971ef7b79b8ff0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 039ad29 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild