diff options
Diffstat (limited to 'lib/shard.nix')
-rw-r--r-- | lib/shard.nix | 50 |
1 files changed, 1 insertions, 49 deletions
diff --git a/lib/shard.nix b/lib/shard.nix index 58e335f..95cf251 100644 --- a/lib/shard.nix +++ b/lib/shard.nix @@ -4,54 +4,6 @@ with bionix; with lib.types; { - regex = n: (exec (_: input: let - re = let f = matchFiletype "shard-regex" { - fa = _: "^>"; - fq = _: "^@"; - gz = f; - bz2 = f; - }; - in f input; - decompress = matchFiletype "shard-regex-decompression" { - fa = _: "cat"; - fq = _: "cat"; - gz = _: "gunzip"; - bz2 = _: "bunzip2"; - } 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 = _: []; - gz = _: [ gzip ]; - bz2 = _: [ bzip2 ]; - } input; - in outputDrvs (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]} - ''; - 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; - }))) []; - + regex = n: input: outputDrvs (callBionixE ./shard-regex.nix { n = n; } input); fastQPair = n: {input1, input2}: lib.zipListsWith (i: j: {input1 = i; input2 = j;}) (lib.shard.regex n input1) (lib.shard.regex n input2); } |