From 9496382b63a9d8045ecaaa692ac6a7a55016f3fb Mon Sep 17 00:00:00 2001
From: Alan Zhao <ayzhao@google.com>
Date: Fri, 9 Dec 2022 11:21:54 -0800
Subject: [PATCH] Add rule for the ninja build tool

---
 README.md                 |  1 +
 tests/rules/test_ninja.py | 14 ++++++++++++++
 thefuck/rules/ninja.py    |  8 ++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 tests/rules/test_ninja.py
 create mode 100644 thefuck/rules/ninja.py

diff --git a/README.md b/README.md
index 3ea406f..0cbfdba 100644
--- a/README.md
+++ b/README.md
@@ -301,6 +301,7 @@ following rules are enabled by default:
 * `mkdir_p` &ndash; adds `-p` when you try to create a directory without a parent;
 * `mvn_no_command` &ndash; adds `clean package` to `mvn`;
 * `mvn_unknown_lifecycle_phase` &ndash; fixes misspelled life cycle phases with `mvn`;
+* `ninja` &ndash; fixes wrong targest passed to the `ninja` build tool;
 * `npm_missing_script` &ndash; fixes `npm` custom script name in `npm run-script <script>`;
 * `npm_run_script` &ndash; adds missing `run-script` for custom `npm` scripts;
 * `npm_wrong_command` &ndash; fixes wrong npm commands like `npm urgrade`;
diff --git a/tests/rules/test_ninja.py b/tests/rules/test_ninja.py
new file mode 100644
index 0000000..1553819
--- /dev/null
+++ b/tests/rules/test_ninja.py
@@ -0,0 +1,14 @@
+import pytest
+from thefuck.rules.ninja import get_new_command, match
+from thefuck.types import Command
+
+match_output = 'ninja: error: unknown target \'clong\', did you mean \'clang\'?'
+no_match_output = 'ninja: error: unknown target \'foobar\''
+
+def test_match():
+  assert match(Command('ninja clong', match_output))
+  assert not match(Command('ninja foobar', no_match_output))
+
+def test_get_new_command():
+  new_command = get_new_command(Command('ninja clong', match_output))
+  assert new_command == 'ninja clang'
diff --git a/thefuck/rules/ninja.py b/thefuck/rules/ninja.py
new file mode 100644
index 0000000..b44a99c
--- /dev/null
+++ b/thefuck/rules/ninja.py
@@ -0,0 +1,8 @@
+import re
+
+def match(command):
+  return 'unknown target' in command.output and 'did you mean' in command.output
+
+def get_new_command(command):
+  target = re.search(r'did you mean \'(.*)\'\?$', command.output).group(1)
+  return 'ninja {}'.format(target)