Create .git/hooks if doesn't exist (#368)

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## Unreleased
+
+* Create .git/hooks if doesn't exist
+
 ## 1.0.1
 
 * Various `husky-upgrade` changes ([#362](https://github.com/typicode/husky/pull/362), [#360](https://github.com/typicode/husky/pull/360), [#359](https://github.com/typicode/husky/pull/359))

src/installer/__tests__/index.ts

@@ -28,7 +28,7 @@ function uninstallFrom(dir: string) {
 }
 
 function mkdir(dir: string) {
-  mkdirp.sync(path.join(tempDir, dir))
+  return mkdirp.sync(path.join(tempDir, dir))
 }
 
 function writeFile(filename: string, data: string) {
@@ -307,4 +307,17 @@ describe('install', () => {
 
     expect(() => installFrom(huskyDir)).not.toThrow()
   })
+
+  it("should install even .git/hooks doesn't exist", () => {
+    const huskyDir = 'node_modules/husky'
+    const hookFilename = '.git/hooks/pre-commit'
+
+    mkdir('.git')
+    mkdir(huskyDir)
+    writeFile('package.json', pkg)
+
+    installFrom(huskyDir)
+    expect(exists(hookFilename)).toBeTruthy()
+    expectHookToExist(hookFilename)
+  })
 })

src/installer/index.ts

@@ -174,16 +174,7 @@ export function install(
   }
 
   if (!fs.existsSync(path.join(resolvedGitDir, 'hooks'))) {
-    console.log(
-      `Can't find hooks directory in ${resolvedGitDir}, skipping Git hooks installation.`
-    )
-    console.log(
-      `Please create ${path.join(
-        resolvedGitDir,
-        'hooks'
-      )} directory and reinstall husky.`
-    )
-    return
+    fs.mkdirSync(path.join(resolvedGitDir, 'hooks'))
   }
 
   // Create hooks