$ git clone -n https://src.fedoraproject.org/rpms/convmv.git /var/lib/mock/f45-build-5851-342/root/chroot_tmpdir/scmroot/convmv
Cloning into '/var/lib/mock/f45-build-5851-342/root/chroot_tmpdir/scmroot/convmv'...
$ git fetch origin 82fe12c3a3636473ca9cf8054cafc58574055d58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/convmv
 * [new ref]         82fe12c3a3636473ca9cf8054cafc58574055d58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82fe12c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild