dformat: init at 0.15.2 (#401429)

pkgs/by-name/df/dformat/dub-lock.json

@@ -0,0 +1,8 @@
+{
+  "dependencies": {
+    "libdparse": {
+      "version": "0.25.0",
+      "sha256": "012ihzwhikvpd7crr3ql38hs32lfy9gnkg9qvjgpd7ar3xbsa5sz"
+    }
+  }
+}

pkgs/by-name/df/dformat/fix_version.patch

@@ -0,0 +1,13 @@
+diff --git a/dub.json b/dub.json
+index a0d6357..abae578 100644
+--- a/dub.json
++++ b/dub.json
+@@ -13,8 +13,5 @@
+     ],
+     "versions" : [
+         "built_with_dub"
+-    ],
+-    "preBuildCommands" : [
+-      "$DC -run \"$PACKAGE_DIR/dubhash.d\""
+     ]
+ }

pkgs/by-name/df/dformat/package.nix

@@ -0,0 +1,53 @@
+{
+  lib,
+  buildDubPackage,
+  fetchFromGitHub,
+  versionCheckHook,
+}:
+
+buildDubPackage rec {
+  pname = "dfmt";
+  version = "0.15.2";
+
+  src = fetchFromGitHub {
+    owner = "dlang-community";
+    repo = "dfmt";
+    tag = "v${version}";
+    hash = "sha256-QjmYPIQFs+91jB1sdaFoenfWt5TLXyEJauSSHP2fd+M=";
+  };
+
+  preBuild = ''
+    mkdir -p bin/
+    echo "v${version}" > bin/dubhash.txt
+  '';
+
+  patches = [
+    # do not run the dubhash tool, we supply the version in preBuild
+    ./fix_version.patch
+  ];
+
+  dubLock = ./dub-lock.json;
+
+  doCheck = true;
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm755 bin/dfmt -t $out/bin
+    runHook postInstall
+  '';
+
+  nativeInstallCheckInputs = [
+    versionCheckHook
+  ];
+
+  doInstallCheck = true;
+
+  meta = {
+    description = "Formatter for D source code";
+    changelog = "https://github.com/dlang-community/dfmt/releases/tag/v${version}";
+    homepage = "https://github.com/dlang-community/dfmt";
+    maintainers = with lib.maintainers; [ ipsavitsky ];
+    mainProgram = "dfmt";
+    license = lib.licenses.boost;
+  };
+}