Provides a pre-commit git hook to lint Go files

doc/prepa-dev.md

@@ -15,4 +15,10 @@
 2. Lancer le serveur
   ```shell
   make watch
+  ```
+
+3. (Optionnel mais recommandé) Installer le hook Git `pre-commit`
+  ```shell
+  rm -f .git/hooks/pre-commit.sample
+  ln -s "$PWD/misc/git-hooks/pre-commit" .git/hooks/pre-commit
   ```

misc/git-hooks/pre-commit

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -eo pipefail
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+CHANGESET=$(git diff --cached --name-only --diff-filter=ACM)
+
+function lint_go_files {
+  echo "Linting modified Go files..."
+  ( cd "$DIR/../.." && make LINT_ARGS="--new-from-rev=HEAD~ ./..." lint )
+}
+
+function main {
+  lint_go_files
+}
+
+main