Enable mono_repo self-validate (#733)

Author: kevmoo

.travis.yml

@@ -1,4 +1,4 @@
-# Created with package:mono_repo v2.3.0
+# Created with package:mono_repo v2.5.0
 language: dart
 
 # Custom configuration
@@ -8,56 +8,61 @@ branches:
 
 jobs:
   include:
+    - stage: mono_repo_self_validate
+      name: mono_repo self validate
+      os: linux
+      script: tool/mono_repo_self_validate.sh
     - stage: analyzer_and_format
       name: "SDK: 2.7.0; PKGS: _test_yaml, checked_yaml, example, json_annotation, json_serializable; TASKS: `dartanalyzer --fatal-warnings .`"
       dart: "2.7.0"
       os: linux
       env: PKGS="_test_yaml checked_yaml example json_annotation json_serializable"
-      script: ./tool/travis.sh dartanalyzer_1
+      script: tool/travis.sh dartanalyzer_1
     - stage: analyzer_and_format
       name: "SDK: dev; PKGS: _test_yaml, checked_yaml, example, json_annotation, json_serializable; TASKS: [`dartfmt -n --set-exit-if-changed .`, `dartanalyzer --fatal-warnings --fatal-infos .`]"
       dart: dev
       os: linux
       env: PKGS="_test_yaml checked_yaml example json_annotation json_serializable"
-      script: ./tool/travis.sh dartfmt dartanalyzer_0
+      script: tool/travis.sh dartfmt dartanalyzer_0
     - stage: unit_test
       name: "SDK: 2.7.0; PKGS: _test_yaml, checked_yaml, example, json_serializable; TASKS: `pub run test`"
       dart: "2.7.0"
       os: linux
       env: PKGS="_test_yaml checked_yaml example json_serializable"
-      script: ./tool/travis.sh test_0
+      script: tool/travis.sh test_0
     - stage: unit_test
       name: "SDK: dev; PKGS: _test_yaml, checked_yaml, example, json_serializable; TASKS: `pub run test`"
       dart: dev
       os: linux
       env: PKGS="_test_yaml checked_yaml example json_serializable"
-      script: ./tool/travis.sh test_0
+      script: tool/travis.sh test_0
     - stage: unit_test
       name: "SDK: 2.7.0; PKG: json_serializable; TASKS: `pub run build_runner test --delete-conflicting-outputs -- -p chrome`"
       dart: "2.7.0"
       os: linux
       env: PKGS="json_serializable"
-      script: ./tool/travis.sh command
+      script: tool/travis.sh command
     - stage: unit_test
       name: "SDK: dev; PKG: json_serializable; TASKS: `pub run build_runner test --delete-conflicting-outputs -- -p chrome`"
       dart: dev
       os: linux
       env: PKGS="json_serializable"
-      script: ./tool/travis.sh command
+      script: tool/travis.sh command
     - stage: ensure_build
       name: "SDK: 2.7.0; PKGS: _test_yaml, checked_yaml, example, json_serializable; TASKS: `pub run test --run-skipped -t presubmit-only test/ensure_build_test.dart`"
       dart: "2.7.0"
       os: linux
       env: PKGS="_test_yaml checked_yaml example json_serializable"
-      script: ./tool/travis.sh test_1
+      script: tool/travis.sh test_1
     - stage: ensure_build
       name: "SDK: dev; PKGS: _test_yaml, checked_yaml, example, json_serializable; TASKS: `pub run test --run-skipped -t presubmit-only test/ensure_build_test.dart`"
       dart: dev
       os: linux
       env: PKGS="_test_yaml checked_yaml example json_serializable"
-      script: ./tool/travis.sh test_1
+      script: tool/travis.sh test_1
 
 stages:
+  - mono_repo_self_validate
   - analyzer_and_format
   - unit_test
   - ensure_build

mono_repo.yaml

@@ -1,4 +1,5 @@
 # See https://github.com/google/mono_repo.dart for details on this file
+self_validate: true
 travis:
   branches:
     only:

tool/mono_repo_self_validate.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+# Created with package:mono_repo v2.5.0
+
+# Support built in commands on windows out of the box.
+function pub {
+       if [[ $TRAVIS_OS_NAME == "windows" ]]; then
+        command pub.bat "$@"
+    else
+        command pub "$@"
+    fi
+}
+
+set -v -e
+pub global activate mono_repo 2.5.0
+pub global run mono_repo travis --validate

tool/travis.sh

@@ -1,27 +1,27 @@
 #!/bin/bash
-# Created with package:mono_repo v2.3.0
+# Created with package:mono_repo v2.5.0
 
 # Support built in commands on windows out of the box.
 function pub {
-       if [[ $TRAVIS_OS_NAME == "windows" ]]; then
-        command pub.bat "$@"
-    else
-        command pub "$@"
-    fi
+  if [[ $TRAVIS_OS_NAME == "windows" ]]; then
+    command pub.bat "$@"
+  else
+    command pub "$@"
+  fi
 }
 function dartfmt {
-       if [[ $TRAVIS_OS_NAME == "windows" ]]; then
-        command dartfmt.bat "$@"
-    else
-        command dartfmt "$@"
-    fi
+  if [[ $TRAVIS_OS_NAME == "windows" ]]; then
+    command dartfmt.bat "$@"
+  else
+    command dartfmt "$@"
+  fi
 }
 function dartanalyzer {
-       if [[ $TRAVIS_OS_NAME == "windows" ]]; then
-        command dartanalyzer.bat "$@"
-    else
-        command dartanalyzer "$@"
-    fi
+  if [[ $TRAVIS_OS_NAME == "windows" ]]; then
+    command dartanalyzer.bat "$@"
+  else
+    command dartanalyzer "$@"
+  fi
 }
 
 if [[ -z ${PKGS} ]]; then