made snakefile more robust to filename changes

Snakefile

@@ -30,13 +30,14 @@ rule download_imputed_genotype_chromosome:
     shell:
         """
         mkdir -p output/imputed-genotypes
-        gsutil cp gs://fimm-horizon-outgoing-data/CENTER_TBI_data_freeze_190829/Imputed_data/CENTER_TBI_imputed_3695_1K_MAC1_freeze_190829_chr{wildcards.i}.vcf.gz \
-            output/imputed-genotypes/CENTER_TBI_imputed_3695_1K_MAC1_freeze_190829_chr{wildcards.i}.vcf.gz
+        gsutil cp gs://fimm-horizon-outgoing-data/CENTER_TBI_data_freeze_191014/Imputed_data/CENTER.TBI_imputed_N3741_hg19_HRC_MAC1_freeze_191014_chr1.vcf.gz
+ \
+            output/imputed-genotypes/CENTER_TBI_imputed_genotype_chr{wildcards.i}.vcf.gz
         """
-        
+
 rule download_imputed_genotypes:
     input:
-        expand("output/imputed-genotypes/CENTER_TBI_imputed_3695_1K_MAC1_freeze_190829_chr{i}.vcf.gz",
+        expand("output/imputed-genotypes/CENTER_TBI_imputed_genotype_chr{i}.vcf.gz",
             i = list(map(str, range(1, 23))) + ['X']
         )
 
@@ -53,7 +54,7 @@ rule download_container:
 rule vcf_to_dosages:
     input:
         "container.sif",
-        vcf_gz_file = "output/imputed-genotypes/CENTER_TBI_imputed_3695_1K_MAC1_freeze_190829_chr{i}.vcf.gz"
+        vcf_gz_file = "output/imputed-genotypes/CENTER_TBI_imputed_genotype_chr{i}.vcf.gz"
     output:
         "{output_dir}/dosages/chr{i}.dosage.txt.gz"
     singularity:
@@ -79,7 +80,7 @@ rule vcf_to_dosages:
 rule generate_samples_file:
     input:
         "container.sif",
-        vcf_gz_file = "output/imputed-genotypes/CENTER_TBI_imputed_3695_1K_MAC1_freeze_190829_chr1.vcf.gz"
+        vcf_gz_file = "output/imputed-genotypes/CENTER_TBI_imputed_genotype_chr1.vcf.gz"
     output:
         "{output_dir}/dosages/samples.txt"
     singularity: