1 files changed, 37 insertions, 27 deletions
diff --git a/lib/shard-regex.nix b/lib/shard-regex.nix
index 06fba4d..9dc1720 100644
--- a/lib/shard-regex.nix
+++ b/lib/shard-regex.nix
@@ -1,54 +1,64 @@
-{bionix, n}:
+{ bionix, n }:
 
 with bionix;
 with lib.types;
 
 input:
 let
-  re = let f = matchFiletype' "shard-regex" {
+  re =
+    let f = matchFiletype' "shard-regex" {
       fa = _: "^>";
       fq = _: "^@";
       gz = f;
       bz2 = f;
     };
-  in f input.filetype;
-  decompress = matchFiletype "shard-regex-decompression" {
+    in f input.filetype;
+  decompress = matchFiletype "shard-regex-decompression"
+    {
       fa = _: "cat";
       fq = _: "cat";
       gz = _: "gunzip";
       bz2 = _: "bunzip2";
-    } input;
-  compress = matchFiletype "shard-regex-compression" {
+    }
+    input;
+  compress = matchFiletype "shard-regex-compression"
+    {
       fa = _: "cat";
       fq = _: "cat";
       gz = _: "gzip";
       bz2 = _: "bzip2";
-    } input;
-  compressPkgs = with bionix.pkgs; matchFiletype "shard-regex-compression" {
-      fa = _: [];
-      fq = _: [];
+    }
+    input;
+  compressPkgs = with bionix.pkgs; matchFiletype "shard-regex-compression"
+    {
+      fa = _: [ ];
+      fq = _: [ ];
       gz = _: [ gzip ];
       bz2 = _: [ bzip2 ];
-    } input;
-in stage {
+    }
+    input;
+in
+stage {
   name = "shard";
   outputs = [ "out" ] ++ builtins.genList (i: "out" + toString (i + 2)) (n - 1);
   buildInputs = [ pkgs.gawk ] ++ compressPkgs;
-  buildCommand = let
-    awkScript = pkgs.writeText "shard.awk" ''
-      BEGIN{cout=0}
-      FNR==NR{out[nout++] = $0;next}
-      /${re}/{cout = (cout + 1) % nout}
-      {print > out[cout]}
+  buildCommand =
+    let
+      awkScript = pkgs.writeText "shard.awk" ''
+        BEGIN{cout=0}
+        FNR==NR{out[nout++] = $0;next}
+        /${re}/{cout = (cout + 1) % nout}
+        {print > out[cout]}
+      '';
+    in
+    ''
+      for o in $outputs ; do
+        echo $(basename ''${!o}) >> outputs
+      done
+      awk -f ${awkScript} outputs <(${decompress} < ${input})
+      for o in $outputs ; do
+        ${compress} < $(basename ''${!o}) > ''${!o}
+      done
     '';
-  in ''
-    for o in $outputs ; do
-      echo $(basename ''${!o}) >> outputs
-    done
-    awk -f ${awkScript} outputs <(${decompress} < ${input})
-    for o in $outputs ; do
-      ${compress} < $(basename ''${!o}) > ''${!o}
-    done
-  '';
   passthru.filetype = input.filetype;
 }