A collection of git commit hooks
Project description
[![Build Status](https://travis-ci.org/alexcouper/captainhook.svg?branch=master)](https://travis-ci.org/alexcouper/captainhook)
#captainhook
Git hook scripts
## What is it
A set of configurable git hooks and checks.
Upon committing code, the pre-commit hook runs configured checks against the
files to be committed and rejects the commit if any of the checks turned on fail.
![Demo](http://f.cl.ly/items/3H0a1q2b090q2s2N3N2m/demo2.gif)
## Installation
Install using pip::
pip install captainhook
You can then install the hooks using::
captainhook install
from within any git repo, and the pre-commit hook will be installed.
## Running without commiting
You can perform a run against all your code base using::
captainhook run
## Setting Up
To turn a check on or off, create a ``tox.ini`` or ``setup.cfg`` file (``tox.ini`` is used for all further examples)
in the base directory of your project with a ``captainhook`` section.
eg::
[captainhook]
flake8=off
pdb=off
python3=on
block_branch=on;master
flake8, pdb and python3 checks default to being on.
Checks can also be passed arguments from the config file. This is done with
the following notation::
<check_name>=<status>;<string to be passed through>
Currently checks can only be passed a single argument and must do the parsing
of that themselves.
flake8 obeys the configuration as per the
`flake8 docs <http://flake8.readthedocs.org/en/latest/config.html>`_ but any
path-related options will need to use wildcard patterns (e.g.
`exclude=*/migrations/*` instead of `exclude=migrations`).
To avoid being checked at all, you can commit using the ``--no-verify`` flag::
git commit -a --no-verify
## Checks
Currently supported checks are
- block_branch: A branch blacklist; will reject commits if the active branch is
in the list.
- [flake8](https://pypi.python.org/pypi/flake8):
Runs flake8_ on staged files (checks for [PEP 8](https://www.python.org/dev/peps/pep-0008/)
compliance and syntax errors).
- [pytest](http://pytest.org/latest/):
Runs pytest_ in repository directory.
- [pytest-cov](https://pypi.python.org/pypi/pytest-cov):
Runs pytest-cov_ in repository directory.
You can specify level of threshold in tox.ini as number from 0 to 100.
- [pylint](http://www.pylint.org/):
Runs pylint_ on staged files. You can specify level of threshold
in tox.ini as number from 0 to 10.
- pylint_docstrings: Runs pylint_ to check only docstrings on staged files.
You can specify level of threshold in tox.ini as number from 0 to 10.
- [frosted](https://pypi.python.org/pypi/frosted):
Runs frosted_ on staged files (checks for Python syntax errors).
- ``grep``: Runs a single ``grep`` command on staged files, rejecting the
commit if the value being searched is found. Options are passed to ``grep``
verbatim. Only one ``grep`` command may be specified.
- [isort](https://pypi.python.org/pypi/isort):
Runs isort_ on staged files (checks for clean Python imports according
to [PEP 8](https://www.python.org/dev/peps/pep-0008/) and
[PEP 328](https://www.python.org/dev/peps/pep-0328/)).
- merge_marks: Rejects the commit if there are any unresolved merge marks in
staged files.
- pdb: Rejects the commit if there are any uncommented ``import pdb;
pdb.set_trace()`` statements in staged files.
- python3: Rejects the commit if staged files are not Python 3 compatible.
Expects ``python3`` and ``2to3-2.7`` to be in the current shell ``PATH``.
## Output
You only see output for checks that fail, otherwise silence.
Example output upon a rejected commit::
===============================================================================
Checking python3
===============================================================================
--- captainhook/pre_commit.py (original)
+++ captainhook/pre_commit.py (refactored)
@@ -66,7 +66,7 @@
"Check there are changes to stash"
return bool(bash('git diff'))
-print 'a'
+print('a')
===============================================================================
Checking flake8
===============================================================================
pre-commit.py:19:1: F401 'importlib' imported but unused
pre-commit.py:128:1: E302 expected 2 blank lines, found 1
setup.py:25:80: E501 line too long (89 > 79 characters)
===============================================================================
Rejecting commit
===============================================================================
## Extending
You can add your own check to your git env quite easily.
Simply add a module to ``.git/hooks/checkers`` with a ``run()`` method defined.
The method should return the error string on faillure, or a False like object
on success.
For example::
$ cat .git/hooks/checkers/mine.py
DEFAULT = 'on'
def run():
return "NOT A CHANCE"
This will block all commits if enabled.
A checker can set the following variables:
DEFAULT: used to determine the check is assumed "on" or "off". This value is
only used if tox.ini has not been used to override it. The default DEFAULT is
off.
CHECK_NAME: To override the display name of the module.
REQUIRED_FILES: Files that, if present, should be included in the copy to the
temp directoy before analysis takes place.
## Feedback
I'm interested in hearing feedback - positive or negative - about this.
Please make yourself at home, create issues if you've got problems with existing behaviour, or suggestions for future improvements or anything else.
You can reach me on twitter @couperalex.
# Contributing
Running pre-commit.py on its own will by default create copies of the files to
be committed which you probably don't want when testing a new check.
You can run the script against all your code base using::
python captainhook/pre_commit.py --all
## Testing
There are behavioural feature tests (based on ``behave``) found in the features
directory.
New checks should be accompanied by a corresponding behavioural test example.
To run the behavioural tests:
$ behave
To run all other tests:
$ nosetests
Ensure that you've installed test-requirements.txt.
#captainhook
Git hook scripts
## What is it
A set of configurable git hooks and checks.
Upon committing code, the pre-commit hook runs configured checks against the
files to be committed and rejects the commit if any of the checks turned on fail.
![Demo](http://f.cl.ly/items/3H0a1q2b090q2s2N3N2m/demo2.gif)
## Installation
Install using pip::
pip install captainhook
You can then install the hooks using::
captainhook install
from within any git repo, and the pre-commit hook will be installed.
## Running without commiting
You can perform a run against all your code base using::
captainhook run
## Setting Up
To turn a check on or off, create a ``tox.ini`` or ``setup.cfg`` file (``tox.ini`` is used for all further examples)
in the base directory of your project with a ``captainhook`` section.
eg::
[captainhook]
flake8=off
pdb=off
python3=on
block_branch=on;master
flake8, pdb and python3 checks default to being on.
Checks can also be passed arguments from the config file. This is done with
the following notation::
<check_name>=<status>;<string to be passed through>
Currently checks can only be passed a single argument and must do the parsing
of that themselves.
flake8 obeys the configuration as per the
`flake8 docs <http://flake8.readthedocs.org/en/latest/config.html>`_ but any
path-related options will need to use wildcard patterns (e.g.
`exclude=*/migrations/*` instead of `exclude=migrations`).
To avoid being checked at all, you can commit using the ``--no-verify`` flag::
git commit -a --no-verify
## Checks
Currently supported checks are
- block_branch: A branch blacklist; will reject commits if the active branch is
in the list.
- [flake8](https://pypi.python.org/pypi/flake8):
Runs flake8_ on staged files (checks for [PEP 8](https://www.python.org/dev/peps/pep-0008/)
compliance and syntax errors).
- [pytest](http://pytest.org/latest/):
Runs pytest_ in repository directory.
- [pytest-cov](https://pypi.python.org/pypi/pytest-cov):
Runs pytest-cov_ in repository directory.
You can specify level of threshold in tox.ini as number from 0 to 100.
- [pylint](http://www.pylint.org/):
Runs pylint_ on staged files. You can specify level of threshold
in tox.ini as number from 0 to 10.
- pylint_docstrings: Runs pylint_ to check only docstrings on staged files.
You can specify level of threshold in tox.ini as number from 0 to 10.
- [frosted](https://pypi.python.org/pypi/frosted):
Runs frosted_ on staged files (checks for Python syntax errors).
- ``grep``: Runs a single ``grep`` command on staged files, rejecting the
commit if the value being searched is found. Options are passed to ``grep``
verbatim. Only one ``grep`` command may be specified.
- [isort](https://pypi.python.org/pypi/isort):
Runs isort_ on staged files (checks for clean Python imports according
to [PEP 8](https://www.python.org/dev/peps/pep-0008/) and
[PEP 328](https://www.python.org/dev/peps/pep-0328/)).
- merge_marks: Rejects the commit if there are any unresolved merge marks in
staged files.
- pdb: Rejects the commit if there are any uncommented ``import pdb;
pdb.set_trace()`` statements in staged files.
- python3: Rejects the commit if staged files are not Python 3 compatible.
Expects ``python3`` and ``2to3-2.7`` to be in the current shell ``PATH``.
## Output
You only see output for checks that fail, otherwise silence.
Example output upon a rejected commit::
===============================================================================
Checking python3
===============================================================================
--- captainhook/pre_commit.py (original)
+++ captainhook/pre_commit.py (refactored)
@@ -66,7 +66,7 @@
"Check there are changes to stash"
return bool(bash('git diff'))
-print 'a'
+print('a')
===============================================================================
Checking flake8
===============================================================================
pre-commit.py:19:1: F401 'importlib' imported but unused
pre-commit.py:128:1: E302 expected 2 blank lines, found 1
setup.py:25:80: E501 line too long (89 > 79 characters)
===============================================================================
Rejecting commit
===============================================================================
## Extending
You can add your own check to your git env quite easily.
Simply add a module to ``.git/hooks/checkers`` with a ``run()`` method defined.
The method should return the error string on faillure, or a False like object
on success.
For example::
$ cat .git/hooks/checkers/mine.py
DEFAULT = 'on'
def run():
return "NOT A CHANCE"
This will block all commits if enabled.
A checker can set the following variables:
DEFAULT: used to determine the check is assumed "on" or "off". This value is
only used if tox.ini has not been used to override it. The default DEFAULT is
off.
CHECK_NAME: To override the display name of the module.
REQUIRED_FILES: Files that, if present, should be included in the copy to the
temp directoy before analysis takes place.
## Feedback
I'm interested in hearing feedback - positive or negative - about this.
Please make yourself at home, create issues if you've got problems with existing behaviour, or suggestions for future improvements or anything else.
You can reach me on twitter @couperalex.
# Contributing
Running pre-commit.py on its own will by default create copies of the files to
be committed which you probably don't want when testing a new check.
You can run the script against all your code base using::
python captainhook/pre_commit.py --all
## Testing
There are behavioural feature tests (based on ``behave``) found in the features
directory.
New checks should be accompanied by a corresponding behavioural test example.
To run the behavioural tests:
$ behave
To run all other tests:
$ nosetests
Ensure that you've installed test-requirements.txt.
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