Add post checkout pnpm install to git hooks (#36731)

* Add post checkout pnpm install to help devs, disable hooks on pre push.
* Disable hooks in all simpleGit instances where checkout is run.

.husky/post-checkout

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+pnpm install

bin/pre-push.sh

@@ -31,8 +31,9 @@ if [ $? -ne 0 ]; then
 	exit 1
 fi
 
-# Ensure both branches are tracked or check-changelogger-use will fail.
-git checkout $PROTECTED_BRANCH --quiet
-git checkout $CURRENT_BRANCH --quiet
+# Ensure both branches are tracked or check-changelogger-use will fail. Note we pass hooksPath
+# to avoid running the pre-commit hook.
+git -c core.hooksPath=/dev/null checkout $PROTECTED_BRANCH --quiet
+git -c core.hooksPath=/dev/null checkout $CURRENT_BRANCH --quiet
 
 php tools/monorepo/check-changelogger-use.php $PROTECTED_BRANCH $CURRENT_BRANCH

tools/cli-core/src/git.ts

@@ -132,7 +132,10 @@ export const sparseCheckoutRepo = async (
  * @return {Response<string>} - the simple-git response.
  */
 export const checkoutRef = ( pathToRepo: string, ref: string ) => {
-	const git = simpleGit( { baseDir: pathToRepo } );
+	const git = simpleGit( {
+		baseDir: pathToRepo,
+		config: [ 'core.hooksPath=/dev/null' ],
+	} );
 	return git.checkout( ref );
 };
 
@@ -252,7 +255,10 @@ export const getPullRequestNumberFromHash = async (
 	hash: string
 ) => {
 	try {
-		const git = await simpleGit( { baseDir } );
+		const git = await simpleGit( {
+			baseDir,
+			config: [ 'core.hooksPath=/dev/null' ],
+		} );
 		const formerHead = await git.revparse( 'HEAD' );
 		await git.checkout( hash );
 		const cmdOutput = await git.raw( [
@@ -294,7 +300,10 @@ export const generateDiff = async (
 	excludePaths: string[] = []
 ) => {
 	try {
-		const git = simpleGit( { baseDir: tmpRepoPath } );
+		const git = simpleGit( {
+			baseDir: tmpRepoPath,
+			config: [ 'core.hooksPath=/dev/null' ],
+		} );
 
 		const validBranches = [ hashA, hashB ].filter(
 			( hash ) => ! refIsHash( hash )

tools/code-analyzer/src/commands/analyzer/analyzer-major-minor.ts

@@ -21,7 +21,10 @@ const getPluginData = async (
 	pathToMainFile: string,
 	hashOrBranch: string
 ): Promise< string | void > => {
-	const git = simpleGit( { baseDir: tmpRepoPath } );
+	const git = simpleGit( {
+		baseDir: tmpRepoPath,
+		config: [ 'core.hooksPath=/dev/null' ],
+	} );
 	await git.checkout( [ hashOrBranch ] );
 
 	const mainFile = join( tmpRepoPath, pathToMainFile );

tools/code-analyzer/src/git.ts

@@ -81,7 +81,10 @@ export const generateSchemaDiff = async (
 	build: () => Promise< void > | void,
 	error: ( s: string ) => void
 ): Promise< SchemaDiff[] | null > => {
-	const git = simpleGit( { baseDir: tmpRepoPath } );
+	const git = simpleGit( {
+		baseDir: tmpRepoPath,
+		config: [ 'core.hooksPath=/dev/null' ],
+	} );
 
 	// Be sure the wp-env engine is started.
 	await startWPEnv( tmpRepoPath, error );