$ git clone -n https://src.fedoraproject.org/rpms/golang-github-siddontang-rdb.git /var/lib/mock/f40-build-2579963-62367/root/chroot_tmpdir/scmroot/golang-github-siddontang-rdb
Cloning into '/var/lib/mock/f40-build-2579963-62367/root/chroot_tmpdir/scmroot/golang-github-siddontang-rdb'...
$ git fetch origin 849c6da0053319d6a4b96848976625f9f912a2d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-siddontang-rdb
 * [new ref]         849c6da0053319d6a4b96848976625f9f912a2d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 849c6da Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild