$ git clone -n https://src.fedoraproject.org/rpms/cpeditor.git /var/lib/mock/f40-build-800605-143605/root/chroot_tmpdir/scmroot/cpeditor
Cloning into '/var/lib/mock/f40-build-800605-143605/root/chroot_tmpdir/scmroot/cpeditor'...
$ git fetch origin 8f4cda7ed5c97942da388b229c26a65e52c085fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpeditor
 * [new ref]         8f4cda7ed5c97942da388b229c26a65e52c085fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f4cda7 update to 7.0.1