#!/bin/bash -Ceuo pipefail
if [ -n "chr21" ]; then
    tabix -h negative_somatic_control_2.snv_indel.merged.vcf.gz chr21 > input_filtered.vcf
    bgzip input_filtered.vcf
    input_vcf="input_filtered.vcf.gz"
else
    input_vcf="negative_somatic_control_2.snv_indel.merged.vcf.gz"
fi

whatshap \
    phase \
     \
    --reference Homo_sapiens_assembly38.fasta \
    -o negative_somatic_control_2.snv_indel.whatshap.chr21.phased.vcf.gz \
    $input_vcf \
    Sig_18_Blood.recalibrated.bam

cat <<-END_VERSIONS > versions.yml
"DAQ:CONTROL_VARIANT_CALLING:CONTROL_SOMATIC_VC:VCF_SOMATIC_SNV_INDEL:WHATSHAP":
    whatshap: $(whatshap --version)
END_VERSIONS