Auto lint before committing (#1928)

Author: tevoinea

.devcontainer/devcontainer.json

@@ -11,7 +11,11 @@
 		"files.watcherExclude": {
 			"**/target/**": true
 		},
-		"rust-analyzer.checkOnSave.command": "clippy"
+		"rust-analyzer.checkOnSave.command": "clippy",
+		"rust-analyzer.linkedProjects": [
+			"/workspaces/onefuzz/src/agent/Cargo.toml"
+		],
+		"python.defaultInterpreterPath": "/workspaces/onefuzz/src/venv/bin/python"
 	},
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [

.devcontainer/post-create-script.sh

@@ -58,3 +58,6 @@ pip install -r requirements.txt
 cd /workspaces/onefuzz/src/utils
 chmod u+x lint.sh
 pip install types-six
+
+cp /workspaces/onefuzz/.devcontainer/pre-commit /workspaces/onefuzz/.git/hooks
+chmod u+x /workspaces/onefuzz/.git/hooks/pre-commit

.devcontainer/pre-commit

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+echo "Formatting..."
+dotnetFormatted=0
+rustFormatted=0
+pythonFormatted=0
+
+for f in $(git diff --name-only --diff-filter=ACM)
+do
+    if [[ $dotnetFormatted == 0 ]] && [[ $f == src/ApiService/* ]]; then
+        echo "Formatting dotnet"
+        cd /workspaces/onefuzz/src/ApiService
+        dotnet format
+        dotnetFormatted=1
+    fi
+
+    if [[ $rustFormatted == 0 ]] && [[ $f == src/agent/* ]]; then
+        echo "Formatting rust"
+        cd /workspaces/onefuzz/src/agent
+        cargo fmt
+        rustFormatted=1
+    fi
+
+    if [[ $pythonFormatted == 0 ]] && [[ $(grep -Eq 'src/(cli|api-service|pytypes)/*' <<< $f) ]]; then
+        echo "Formatting python"
+        cd /workspaces/onefuzz/src/utils
+        ./lint.sh
+        pythonFormatted=1
+    fi
+
+    if [[ $dotnetFormatted == 1 ]] && [[ $rustFormatted == 1 ]] && [[ $pythonFormatted == 1 ]]; then
+        break
+    fi
+done
+
+echo "Done formatting"