Format staged C# files on commit (#346)

* Format staged C# files on commit

* Fix path

.config/dotnet-tools.json

@@ -0,0 +1,12 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "husky": {
+      "version": "0.7.1",
+      "commands": [
+        "husky"
+      ]
+    }
+  }
+}

.husky/pre-commit

@@ -0,0 +1,22 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+## husky task runner examples -------------------
+## Note : for local installation use 'dotnet' prefix. e.g. 'dotnet husky'
+
+## run all tasks
+#husky run
+
+### run all tasks with group: 'group-name'
+#husky run --group group-name
+
+## run task with name: 'task-name'
+#husky run --name task-name
+
+## pass hook arguments to task
+#husky run --args "$1" "$2"
+
+## or put your custom commands -------------------
+#echo 'Husky.Net is awesome!'
+
+dotnet husky run

.husky/task-runner.json

@@ -0,0 +1,10 @@
+{
+  "tasks": [
+    {
+      "name": "dotnet-format-staged-files",
+      "command": "dotnet",
+      "args": ["format", "src/Microsoft.Unity.Analyzers.sln", "whitespace", "--verbosity", "quiet", "--include", "${staged}"],
+      "include": ["**/*.cs"]
+    }
+  ]
+}

src/Microsoft.Unity.Analyzers/Microsoft.Unity.Analyzers.csproj

@@ -28,4 +28,9 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <Target Name="Husky" BeforeTargets="Restore;CollectPackageReferences" Condition="'$(HUSKY)' != 0">
+    <Exec Command="dotnet tool restore" StandardOutputImportance="Low" StandardErrorImportance="High" />
+    <Exec Command="dotnet husky install" StandardOutputImportance="Low" StandardErrorImportance="High" WorkingDirectory="../.." />
+  </Target>
+
 </Project>