Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/cf/0858bf1f61baaa49e055ee6cf19d1f/Sig_18_Blood.GERMLINE.merged.vcf.gz.tbi
Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/b1/e0c05d894b0829e4f2e39145fe1223/chip_pon.chip_pon.harmonized.vcf.gz
Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/5d/856a64ca62323966d022ec4c43f4b9/.command.sh
Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/5d/856a64ca62323966d022ec4c43f4b9/.command.run
Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/b1/e0c05d894b0829e4f2e39145fe1223/chip_pon.chip_pon.harmonized.vcf.gz.tbi
Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/cf/0858bf1f61baaa49e055ee6cf19d1f/Sig_18_Blood.GERMLINE.merged.vcf.gz
==> STAGING COMPLETE (6 inputs)
[INFO] Reading target VCF: Sig_18_Blood.GERMLINE.merged.vcf.gz
[INFO] Reading source VCF: chip_pon.chip_pon.harmonized.vcf.gz
[INFO] Adding header fields with prefix 'CHIP_PON' for: FRACTION
[INFO] Building source variant lookup...
[INFO] Found 365410 variants in source VCF
[INFO] Processing target variants and merging characteristics...
[INFO] Complete! Processed 321 variants, matched 261 (81.3%)
[SUCCESS] VCF merging completed successfully!