diff --git a/packages/@vue/cli/__tests__/invoke.spec.js b/packages/@vue/cli/__tests__/invoke.spec.js
index 82cc0f26b3..ab3f1888ee 100644
--- a/packages/@vue/cli/__tests__/invoke.spec.js
+++ b/packages/@vue/cli/__tests__/invoke.spec.js
@@ -149,3 +149,20 @@ test('invoking a plugin that renames files', async () => {
   await project.run(`${require.resolve('../bin/vue')} invoke typescript -d`)
   expect(project.has('src/main.js')).toBe(false)
 })
+
+test('should prompt if invoking in a git repository with uncommited changes', async () => {
+  delete process.env.VUE_CLI_SKIP_DIRTY_GIT_PROMPT
+  const project = await create('invoke-dirty', {
+    plugins: {
+      '@vue/cli-plugin-babel': {}
+    }
+  })
+  await project.write('some-random-file', '')
+  expectPrompts([
+    {
+      message: `Still proceed?`,
+      confirm: true
+    }
+  ])
+  await invoke(`babel`, {}, project.dir)
+})
diff --git a/packages/@vue/cli/lib/add.js b/packages/@vue/cli/lib/add.js
index 8f6b989c63..a10b49cc6e 100644
--- a/packages/@vue/cli/lib/add.js
+++ b/packages/@vue/cli/lib/add.js
@@ -10,8 +10,13 @@ const {
   resolvePluginId,
   resolveModule
 } = require('@vue/cli-shared-utils')
+const confirmIfGitDirty = require('./util/confirmIfGitDirty')
 
 async function add (pluginName, options = {}, context = process.cwd()) {
+  if (!(await confirmIfGitDirty(context))) {
+    return
+  }
+
   const packageName = resolvePluginId(pluginName)
 
   log()
diff --git a/packages/@vue/cli/lib/invoke.js b/packages/@vue/cli/lib/invoke.js
index e9120e8ae1..3317992580 100644
--- a/packages/@vue/cli/lib/invoke.js
+++ b/packages/@vue/cli/lib/invoke.js
@@ -18,6 +18,7 @@ const {
 const Generator = require('./Generator')
 const { loadOptions } = require('./options')
 const { installDeps } = require('./util/installDeps')
+const confirmIfGitDirty = require('./util/confirmIfGitDirty')
 const readFiles = require('./util/readFiles')
 
 function getPkg (context) {
@@ -33,6 +34,10 @@ function getPkg (context) {
 }
 
 async function invoke (pluginName, options = {}, context = process.cwd()) {
+  if (!(await confirmIfGitDirty(context))) {
+    return
+  }
+
   delete options._
   const pkg = getPkg(context)
 
diff --git a/packages/@vue/cli/lib/upgrade.js b/packages/@vue/cli/lib/upgrade.js
index 19447a758b..8531f5e768 100644
--- a/packages/@vue/cli/lib/upgrade.js
+++ b/packages/@vue/cli/lib/upgrade.js
@@ -27,6 +27,7 @@ const getPackageJson = require('./util/getPackageJson')
 const getInstalledVersion = require('./util/getInstalledVersion')
 const tryGetNewerRange = require('./util/tryGetNewerRange')
 const readFiles = require('./util/readFiles')
+const confirmIfGitDirty = require('./util/confirmIfGitDirty')
 
 const isTestOrDebug = process.env.VUE_CLI_TEST || process.env.VUE_CLI_DEBUG
 
@@ -245,6 +246,10 @@ async function upgradeAll (context) {
 }
 
 async function upgrade (packageName, options, context = process.cwd()) {
+  if (!(await confirmIfGitDirty(context))) {
+    return
+  }
+
   if (!packageName) {
     if (options.to) {
       error(`Must specify a package name to upgrade to ${options.to}`)
diff --git a/packages/@vue/cli/lib/util/confirmIfGitDirty.js b/packages/@vue/cli/lib/util/confirmIfGitDirty.js
new file mode 100644
index 0000000000..883143f2cd
--- /dev/null
+++ b/packages/@vue/cli/lib/util/confirmIfGitDirty.js
@@ -0,0 +1,30 @@
+const execa = require('execa')
+const inquirer = require('inquirer')
+
+const { warn, hasProjectGit } = require('@vue/cli-shared-utils')
+
+module.exports = async function confirmIfGitDirty (context) {
+  if (process.env.VUE_CLI_SKIP_DIRTY_GIT_PROMPT) {
+    return true
+  }
+
+  if (!hasProjectGit(context)) {
+    return true
+  }
+
+  const { stdout } = await execa('git', ['status', '--porcelain'], { cwd: context })
+  if (!stdout) {
+    return true
+  }
+
+  warn(`There are uncommited changes in the current repository, it's recommended to commit or stash them first.`)
+  const { ok } = await inquirer.prompt([
+    {
+      name: 'ok',
+      type: 'confirm',
+      message: 'Still proceed',
+      default: false
+    }
+  ])
+  return ok
+}
diff --git a/scripts/testSetup.js b/scripts/testSetup.js
index 7d383ea148..997754c282 100644
--- a/scripts/testSetup.js
+++ b/scripts/testSetup.js
@@ -1 +1,2 @@
 process.env.VUE_CLI_TEST = true
+process.env.VUE_CLI_SKIP_DIRTY_GIT_PROMPT = true