Add nix-based build environment

flake.lock

@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1696078222,
+        "narHash": "sha256-QBqNSFSPitmvpF2SPqTXbPKo7Wr3kv7cY4zjhCTsHRU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e4f393e78df6fe1986f24b018e60264e89b5c8de",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,53 @@
+{
+  description = "Nix notes.sh dev environment";
+
+  # Flake inputs
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+  };
+
+  # Flake outputs
+  outputs = { self, nixpkgs }:
+    let
+      # Systems supported
+      allSystems = [
+        "x86_64-linux" # 64-bit Intel/AMD Linux
+        "aarch64-linux" # 64-bit ARM Linux
+        "x86_64-darwin" # 64-bit Intel macOS
+        "aarch64-darwin" # 64-bit ARM macOS
+      ];
+
+      # Helper to provide system-specific attributes
+      forAllSystems = f: nixpkgs.lib.genAttrs allSystems (system: f {
+        pkgs = import nixpkgs { inherit system; };
+      });
+
+      make_package = pkgs: pkgs.stdenv.mkDerivation {
+        name = "notes-sh";
+        src = self;
+        nativeBuildInputs = [pkgs.makeWrapper];
+        installPhase = ''
+                mkdir -p $out/bin
+                cp notes.sh $out/bin
+              '';
+
+        postFixup = ''
+          wrapProgram $out/bin/notes.sh \
+            --prefix PATH : ${pkgs.lib.makeBinPath (with pkgs; [ gawk findutils gnused coreutils])}
+        '';
+      };
+    in
+      {
+        devShells = forAllSystems ({ pkgs }: {
+          default = pkgs.mkShell {
+            packages = with pkgs; [
+              fzf
+            ];
+          };
+        });
+        packages = forAllSystems({ pkgs }: rec {notes-sh = make_package pkgs; default=notes-sh;});
+        overlays.default = final: prev: {
+          notes-sh = make_package prev;
+        };
+      };
+}

notes.sh

@@ -348,13 +348,13 @@ input_note() {
         cp -n "$INP"/* "$DIR/" || true
     elif [ -t 0 ]; then
         cat > "$ENTRY_FILE" <<- EOF
-			X-Date: $UTC_TIMESTAMP
-			X-Note-Id: $(uuid)
-			Subject: 
-		EOF
+X-Date: $UTC_TIMESTAMP
+X-Note-Id: $(uuid)
+Subject:
+EOF
         OLD_DIR="$(pwd)"
         cd "$DIR"
-		"$EDITOR" "$ENTRY_FILE"
+        $EDITOR "$ENTRY_FILE"
         cd "$OLD_DIR"
     else
         while read -r line ; do
@@ -466,7 +466,7 @@ edit_entry() {
 
     OLD_DIR="$(pwd)"
     cd "$DIR"
-	if ! "$EDITOR" "$DIR/note.md"; then
+    if ! $EDITOR "$DIR/note.md"; then
         die "Editor returned non-zero exit code. Leaving the note untouched."
     fi
     cd "$OLD_DIR"