$ git clone -n https://src.fedoraproject.org/rpms/codeblocks.git /var/lib/mock/f40-build-780370-130937/root/chroot_tmpdir/scmroot/codeblocks
Cloning into '/var/lib/mock/f40-build-780370-130937/root/chroot_tmpdir/scmroot/codeblocks'...
$ git fetch origin 0b7442ae583e216f2c1b642b19cecdfce648603b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/codeblocks
 * [new ref]         0b7442ae583e216f2c1b642b19cecdfce648603b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b7442a upload svn13434 sources