remove extension deps for openvcf()

src/io/VariantCallGzLazy.jl

@@ -2,11 +2,9 @@ using .GZip
 
 # if GZip is loaded in, overwrite openvcf to this method
 function openvcf(infile::String)
-    if endswith(infile, ".vcf") || endswith(infile, ".bcf")
-        return open(infile, "r")
-    elseif endswith(infile, ".vcf.gz") || endswith(infile, ".bcf.gz")
+    if endswith(infile, ".gz")
         return GZip.open(infile, "r")
     else
-        throw(ArgumentError("The filename must end with .vcf/.bcf or .vcf.gz/.bcf.gz"))
+        return open(infile, "r")
     end
-end
+end

src/io/VariantCallLazy.jl

@@ -4,15 +4,13 @@ export bcf, vcf
 
 """
     openvcf(::String)
-Open VCF file (`.vcf/.gz`, or `.bcf/.gz`) and return an `IO` stream in reading mode `"r"`.
+Open VCF file (`.vcf(.gz)`, or `.bcf(.gz)`) and return an `IO` stream in reading mode `"r"`.
 """
 function openvcf(infile::String)
-    if endswith(infile, ".vcf") || endswith(infile, ".bcf")
-        return open(infile, "r")
-    elseif endswith(infile, ".gz")
+    if endswith(infile, ".gz")
         throw(ArgumentError("Please load in GZip.jl with \`using GZip\`"))
     else
-        throw(ArgumentError("The filename must end with .vcf or .bcf"))
+        return open(infile, "r")
     end
 end