#N/A: Add gradle_no_task rule

README.md

@@ -182,6 +182,7 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `git_stash` – stashes you local modifications before rebasing or switching branch;
 * `git_two_dashes` – adds a missing dash to commands like `git commit -amend` or `git rebase -continue`;
 * `go_run` – appends `.go` extension when compiling/running Go programs;
+* `gradle_no_task` – fixes not found or ambiguous `gradle` task;
 * `gradle_wrapper` – replaces `gradle` with `./gradlew`;
 * `grep_arguments_order` – fixes grep arguments order for situations like `grep -lir . test`;
 * `grep_recursive` – adds `-r` when you trying to `grep` directory;

tests/rules/test_gradle_not_task.py

@@ -0,0 +1,158 @@
+import pytest
+from io import BytesIO
+from thefuck.rules.gradle_no_task import match, get_new_command
+from tests.utils import Command
+
+gradle_tasks = b'''
+:tasks
+
+------------------------------------------------------------
+All tasks runnable from root project
+------------------------------------------------------------
+
+Android tasks
+-------------
+androidDependencies - Displays the Android dependencies of the project.
+signingReport - Displays the signing info for each variant.
+sourceSets - Prints out all the source sets defined in this project.
+
+Build tasks
+-----------
+assemble - Assembles all variants of all applications and secondary packages.
+assembleAndroidTest - Assembles all the Test applications.
+assembleDebug - Assembles all Debug builds.
+assembleRelease - Assembles all Release builds.
+build - Assembles and tests this project.
+buildDependents - Assembles and tests this project and all projects that depend on it.
+buildNeeded - Assembles and tests this project and all projects it depends on.
+compileDebugAndroidTestSources
+compileDebugSources
+compileDebugUnitTestSources
+compileReleaseSources
+compileReleaseUnitTestSources
+extractDebugAnnotations - Extracts Android annotations for the debug variant into the archive file
+extractReleaseAnnotations - Extracts Android annotations for the release variant into the archive file
+mockableAndroidJar - Creates a version of android.jar that's suitable for unit tests.
+
+Build Setup tasks
+-----------------
+init - Initializes a new Gradle build. [incubating]
+wrapper - Generates Gradle wrapper files. [incubating]
+
+Help tasks
+----------
+components - Displays the components produced by root project 'org.rerenderer_example.snake'. [incubating]
+dependencies - Displays all dependencies declared in root project 'org.rerenderer_example.snake'.
+dependencyInsight - Displays the insight into a specific dependency in root project 'org.rerenderer_example.snake'.
+help - Displays a help message.
+model - Displays the configuration model of root project 'org.rerenderer_example.snake'. [incubating]
+projects - Displays the sub-projects of root project 'org.rerenderer_example.snake'.
+properties - Displays the properties of root project 'org.rerenderer_example.snake'.
+tasks - Displays the tasks runnable from root project 'org.rerenderer_example.snake' (some of the displayed tasks may belong to subprojects).
+
+Install tasks
+-------------
+installDebug - Installs the Debug build.
+installDebugAndroidTest - Installs the android (on device) tests for the Debug build.
+installRelease - Installs the Release build.
+uninstallAll - Uninstall all applications.
+uninstallDebug - Uninstalls the Debug build.
+uninstallDebugAndroidTest - Uninstalls the android (on device) tests for the Debug build.
+uninstallRelease - Uninstalls the Release build.
+
+React tasks
+-----------
+bundleDebugJsAndAssets - bundle JS and assets for Debug.
+bundleReleaseJsAndAssets - bundle JS and assets for Release.
+
+Verification tasks
+------------------
+check - Runs all checks.
+clean - Deletes the build directory.
+connectedAndroidTest - Installs and runs instrumentation tests for all flavors on connected devices.
+connectedCheck - Runs all device checks on currently connected devices.
+connectedDebugAndroidTest - Installs and runs the tests for debug on connected devices.
+deviceAndroidTest - Installs and runs instrumentation tests using all Device Providers.
+deviceCheck - Runs all device checks using Device Providers and Test Servers.
+lint - Runs lint on all variants.
+lintDebug - Runs lint on the Debug build.
+lintRelease - Runs lint on the Release build.
+test - Run unit tests for all variants.
+testDebugUnitTest - Run unit tests for the debug build.
+testReleaseUnitTest - Run unit tests for the release build.
+
+Other tasks
+-----------
+assembleDefault
+copyDownloadableDepsToLibs
+jarDebugClasses
+jarReleaseClasses
+
+To see all tasks and more detail, run gradlew tasks --all
+
+To see more detail about a task, run gradlew help --task <task>
+
+BUILD SUCCESSFUL
+
+Total time: 1.936 secs
+'''
+
+stderr_not_found = '''
+
+FAILURE: Build failed with an exception.
+
+* What went wrong:
+Task '{}' not found in root project 'org.rerenderer_example.snake'.
+
+* Try:
+Run gradlew tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
+'''.format
+
+stderr_ambiguous = '''
+
+FAILURE: Build failed with an exception.
+
+* What went wrong:
+Task '{}' is ambiguous in root project 'org.rerenderer_example.snake'. Candidates are: 'assembleRelease', 'assembleReleaseUnitTest'.
+
+* Try:
+Run gradlew tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
+'''.format
+
+
+@pytest.fixture(autouse=True)
+def tasks(mocker):
+    patch = mocker.patch('thefuck.rules.gradle_no_task.Popen')
+    patch.return_value.stdout = BytesIO(gradle_tasks)
+    return patch
+
+
+@pytest.mark.parametrize('command', [
+    Command('./gradlew assembler', stderr=stderr_ambiguous('assembler')),
+    Command('./gradlew instar', stderr=stderr_not_found('instar')),
+    Command('gradle assembler', stderr=stderr_ambiguous('assembler')),
+    Command('gradle instar', stderr=stderr_not_found('instar'))])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('./gradlew assemble'),
+    Command('gradle assemble'),
+    Command('npm assembler', stderr=stderr_ambiguous('assembler')),
+    Command('npm instar', stderr=stderr_not_found('instar'))])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('./gradlew assembler', stderr=stderr_ambiguous('assembler')),
+     './gradlew assemble'),
+    (Command('./gradlew instardebug', stderr=stderr_not_found('instardebug')),
+     './gradlew installDebug'),
+    (Command('gradle assembler', stderr=stderr_ambiguous('assembler')),
+     'gradle assemble'),
+    (Command('gradle instardebug', stderr=stderr_not_found('instardebug')),
+     'gradle installDebug')])
+def test_get_new_command(command, result):
+    assert get_new_command(command)[0] == result

thefuck/const.py

@@ -32,7 +32,8 @@ DEFAULT_SETTINGS = {'rules': DEFAULT_RULES,
                     'history_limit': None,
                     'alter_history': True,
                     'wait_slow_command': 15,
-                    'slow_commands': ['lein', 'react-native'],
+                    'slow_commands': ['lein', 'react-native', 'gradle',
+                                      './gradlew'],
                     'env': {'LC_ALL': 'C', 'LANG': 'C', 'GIT_TRACE': '1'}}
 
 ENV_TO_ATTR = {'THEFUCK_RULES': 'rules',

thefuck/rules/gradle_no_task.py

@@ -0,0 +1,33 @@
+import re
+from subprocess import Popen, PIPE
+from thefuck.utils import for_app, eager, replace_command
+
+
+@for_app('gradle', './gradlew')
+def match(command):
+    return re.findall(r"Task '(.*)' (is ambiguous|not found)", command.stderr)
+
+
+@eager
+def _get_all_tasks(gradle):
+    proc = Popen([gradle, 'tasks'], stdout=PIPE)
+    should_yield = False
+    for line in proc.stdout.readlines():
+        line = line.decode().strip()
+        if line.startswith('----'):
+            should_yield = True
+            continue
+
+        if not line.strip():
+            should_yield = False
+            continue
+
+        if should_yield and not line.startswith('All tasks runnable from root project'):
+            yield line.split(' ')[0]
+
+
+def get_new_command(command):
+    wrong_task = re.findall(r"Task '(.*)' (is ambiguous|not found)",
+                            command.stderr)[0][0]
+    all_tasks = _get_all_tasks(command.script_parts[0])
+    return replace_command(command, wrong_task, all_tasks)