$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-memory.git /var/lib/mock/f40-build-2416004-60573/root/chroot_tmpdir/scmroot/golang-modernc-memory
Cloning into '/var/lib/mock/f40-build-2416004-60573/root/chroot_tmpdir/scmroot/golang-modernc-memory'...
$ git fetch origin 54a9f28e9fa6a48fed6ee7bbde546746e5a3403e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-memory
 * [new ref]         54a9f28e9fa6a48fed6ee7bbde546746e5a3403e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54a9f28 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild