feat: only remove some hooks that are not in preserveUnused option

.changeset/giant-shirts-travel.md

@@ -0,0 +1,5 @@
+---
+"simple-git-hooks": minor
+---
+
+feat: only remove some hooks that are not in `preserveUnused` option

simple-git-hooks.js

@@ -2,6 +2,8 @@ const fs = require('fs')
 const path = require('path')
 const url = require('url')
 
+const CONFIG_ERROR = '[ERROR] Config was not found! Please add `.simple-git-hooks.js` or `simple-git-hooks.js` or `.simple-git-hooks.json` or `simple-git-hooks.json` or `simple-git-hooks` entry in package.json.\r\nCheck README for details'
+
 const VALID_GIT_HOOKS = [
     'applypatch-msg',
     'pre-applypatch',
@@ -164,7 +166,7 @@ async function setHooksFromConfig(projectRootPath=process.cwd(), argv=process.ar
     const config = await _getConfig(projectRootPath, customConfigPath)
 
     if (!config) {
-        throw('[ERROR] Config was not found! Please add `.simple-git-hooks.cjs` or `.simple-git-hooks.js` or `.simple-git-hooks.mjs` or `simple-git-hooks.cjs` or `simple-git-hooks.js` or `simple-git-hooks.mjs` or `.simple-git-hooks.json` or `simple-git-hooks.json` or `simple-git-hooks` entry in package.json.\r\nCheck README for details')
+        throw(CONFIG_ERROR)
     }
 
     const preserveUnused = Array.isArray(config.preserveUnused) ? config.preserveUnused : config.preserveUnused ? VALID_GIT_HOOKS: []
@@ -212,9 +214,19 @@ function _setHook(hook, command, projectRoot=process.cwd()) {
  * Deletes all git hooks
  * @param {string} projectRoot
  */
-function removeHooks(projectRoot=process.cwd()) {
-    for (let configEntry of VALID_GIT_HOOKS) {
-        _removeHook(configEntry, projectRoot)
+async function removeHooks(projectRoot = process.cwd()) {
+    const customConfigPath = _getCustomConfigPath(process.argv)
+    const config = await _getConfig(projectRoot, customConfigPath)
+
+    if (!config) {
+        throw (CONFIG_ERROR)
+    }
+
+    const preserveUnused = Array.isArray(config.preserveUnused) ? config.preserveUnused : []
+    for (const configEntry of VALID_GIT_HOOKS) {
+        if(!preserveUnused.includes(configEntry)) {
+            _removeHook(configEntry, projectRoot)
+        }
     }
 }
 

simple-git-hooks.test.js

@@ -389,7 +389,7 @@ describe("Simple Git Hooks tests", () => {
         );
         expect(isEqual(installedHooks, { "pre-commit": TEST_SCRIPT })).toBe(true);
 
-        simpleGitHooks.removeHooks(PROJECT_WITH_CONF_IN_PACKAGE_JSON);
+        await simpleGitHooks.removeHooks(PROJECT_WITH_CONF_IN_PACKAGE_JSON);
 
         installedHooks = getInstalledGitHooks(
             path.normalize(
@@ -458,6 +458,37 @@ describe("Simple Git Hooks tests", () => {
             })
         ).toBe(true);
       });
+
+      it("creates git hooks and removes hooks which are not in preserveUnused", async () => {
+        createGitHooksFolder(PROJECT_WITH_UNUSED_CONF_IN_PACKAGE_JSON);
+
+        const installedHooksDir = path.normalize(
+          path.join(
+              PROJECT_WITH_UNUSED_CONF_IN_PACKAGE_JSON,
+              ".git",
+              "hooks"
+          )
+        );
+
+        fs.writeFileSync(
+            path.resolve(installedHooksDir, "commit-msg"),
+            "# do nothing"
+        );
+
+        let installedHooks = getInstalledGitHooks(installedHooksDir);
+
+        expect(isEqual(installedHooks, { "commit-msg": "# do nothing" })).toBe(true);
+
+        await simpleGitHooks.setHooksFromConfig(PROJECT_WITH_UNUSED_CONF_IN_PACKAGE_JSON);
+
+        installedHooks = getInstalledGitHooks(installedHooksDir);
+        expect(isEqual(installedHooks, { "pre-commit": TEST_SCRIPT, "commit-msg": "# do nothing" })).toBe(true);
+
+        await simpleGitHooks.removeHooks(PROJECT_WITH_UNUSED_CONF_IN_PACKAGE_JSON);
+
+        installedHooks = getInstalledGitHooks(installedHooksDir);
+        expect(isEqual(installedHooks, { "commit-msg": "# do nothing" })).toBe(true);
+      });
     });
 
     describe("CLI tests", () => {

uninstall.js

@@ -6,11 +6,11 @@ const {removeHooks} = require("./simple-git-hooks");
 /**
  * Removes the pre-commit from command in config by default
  */
-function uninstall() {
+async function uninstall() {
     console.log("[INFO] Removing git hooks from .git/hooks")
 
     try {
-        removeHooks()
+        await removeHooks()
         console.log("[INFO] Successfully removed all git hooks")
     } catch (e) {
         console.log("[INFO] Couldn't remove git hooks. Reason: " + e)