3 files changed, 69 insertions, 0 deletions
diff --git a/tools/whisper-align.nix b/tools/whisper-align.nix
new file mode 100644
index 0000000..5620fe3
--- /dev/null
+++ b/tools/whisper-align.nix
@@ -0,0 +1,39 @@
+{ bionix
+, ref
+, bamOutput ? true
+, flags ? null
+, indexAttrs ? {}
+}:
+
+{ input1
+, input2 ? null
+}:
+
+with bionix;
+with lib;
+with types;
+with compression;
+
+let
+  fa = f: matchFiletype "whisper-ref" { fa = _: f; } f;
+  fq = f: matchFiletype "whisper-input" { fq = _: f; gz = matchFiletype' "whisper-input" { fq = _: f; }; } f;
+
+in stage {
+  name = "whisper-mem";
+  buildInputs = [ whisper.app ];
+  buildCommand = ''
+    ln -s ${fa ref} ref.fa
+    for f in ${bionix.whisper.index indexAttrs ref}/* ; do
+      ln -s $f
+    done
+    whisper ${optionalString (flags != null) flags} -t $NIX_BUILD_CORES \
+      ${optionalString bamOutput "-store-BAM"} \
+      ${optionalString (input2 != null) "-rp"} \
+      -stdout \
+      index ${fq input1} \
+      ${optionalString (input2 != null) (fq input2)} \
+      > $out
+  '';
+  passthru.filetype = if bamOutput then filetype.bam {ref = ref; sorting = sort.name {};} else filetype.sam {ref = ref; sorting = sort.name {};};
+  passthru.multicore = true;
+}
diff --git a/tools/whisper-index.nix b/tools/whisper-index.nix
new file mode 100644
index 0000000..675af7d
--- /dev/null
+++ b/tools/whisper-index.nix
@@ -0,0 +1,21 @@
+{ bionix
+, flags ? null
+}:
+
+ref:
+
+with bionix;
+with lib;
+with types;
+
+assert (matchFiletype "whisper-index" { fa = _: true; } ref);
+
+stage {
+  name = "whisper-index";
+  buildInputs = [ whisper.app ];
+  buildCommand = ''
+    ln -s ${ref} ref.fa
+    mkdir $out
+    whisper-index ${optionalString (flags != null) flags} index ref.fa $out $TMPDIR
+  '';
+}
diff --git a/tools/whisper.nix b/tools/whisper.nix
new file mode 100644
index 0000000..244a410
--- /dev/null
+++ b/tools/whisper.nix
@@ -0,0 +1,9 @@
+{ bionix }:
+
+with bionix;
+
+rec {
+  app = pkgs.callPackage ./whisper-app.nix {};
+  index = callBionixE ./whisper-index.nix;
+  align = callBionixE ./whisper-align.nix;
+}