fix bug: no-rebuild

tasks/batch.wdl

@@ -25,7 +25,7 @@ task batch {
         mkdir results
         cnvkit.py batch ${sep=' ' tumor_bam} --normal ${sep=' ' normal_bam} \
         --targets ${bed} --annotate ${ref_flat} \
-        --fasta ${fasta} --access ${access_bed} \
+        --fasta ${fasta} --no-rebuild ${faidx} --access ${access_bed} \
         --output-reference ${sample_id}.reference.cnn --output-dir /cromwell_root/tmp/cnvkit/results/ \
         --diagram --scatter
     >>>