$ git clone -n https://src.fedoraproject.org/rpms/codeblocks.git /var/lib/mock/f45-build-4541-332/root/chroot_tmpdir/scmroot/codeblocks
Cloning into '/var/lib/mock/f45-build-4541-332/root/chroot_tmpdir/scmroot/codeblocks'...
$ git fetch origin 62d3f98d5ae2fa88fd937f6c7f08f9f8de30b2e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/codeblocks
 * [new ref]         62d3f98d5ae2fa88fd937f6c7f08f9f8de30b2e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62d3f98 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild