Code::TidyAll::Git::Prereceive(3) Git pre-receive hook that requires files to be

VERSION

version 0.32

SYNOPSIS


In .git/hooks/pre-receive:
#!/usr/bin/perl
use Code::TidyAll::Git::Prereceive;
use strict;
use warnings;
Code::TidyAll::Git::Prereceive->check();
# or
my $input = do { local $/; <STDIN> };
# Do other things with $input here
my $hook = Code::TidyAll::Git::Prereceive->new();
if (my $error = $hook->check_input($input)) {
die $error;
}

DESCRIPTION

This module implements a Git pre-receive hook <http://git-scm.com/book/en/Customizing-Git-Git-Hooks> that checks if all pushed files are tidied and valid according to tidyall, and rejects the push if not.

This is typically used to validate pushes from multiple developers to a shared repo, possibly on a remote server.

See also Code::TidyAll::Git::Precommit, which operates locally.

METHODS

check (key/value params...)
An all-in-one class method. Reads commit info from standard input, then checks that all files being added or modified in this push are tidied and valid according to tidyall. If not, then the entire push is rejected and the reason(s) are output to the client. e.g. 

    % git push
    Counting objects: 9, done.
    ...
    remote: [checked] lib/CHI/Util.pm
    remote: Code before strictures are enabled on line 13 [TestingAndDebugging::RequireUseStrict]
    remote:
    remote: 1 file did not pass tidyall check
    To ...
     ! [remote rejected] master -> master (pre-receive hook declined)

The configuration file ("tidyall.ini" or ".tidyallrc") must be checked into git in the repo root directory, i.e. next to the .git directory.

In an emergency the hook can be bypassed by pushing the exact same set of commits 3 consecutive times (configurable via ``allow_repeated_push''): 

    % git push
    ...
    remote: 1 file did not pass tidyall check
    % git push
    ...
    *** Identical push seen 2 times
    remote: 1 file did not pass tidyall check
    % git push
    ...
    *** Identical push seen 3 times
    *** Allowing push to proceed despite errors

Or you can disable the hook in the repo being pushed to, e.g. by renaming .git/hooks/pre-receive.

If an unexpected runtime error occurs, it is reported but by default the commit will be allowed through (see ``reject_on_error'').

Passes mode = ``commit'' by default; see modes.

Key/value parameters:

allow_repeated_push
Number of times a push must be repeated exactly after which it will be let through regardless of errors. Defaults to 3. Set to 0 or undef to disable this feature.
conf_name
Conf file name to search for instead of the defaults.
extra_conf_files
A listref of extra configuration files referred to from the main configuration file, e.g. 

    extra_conf_files => ['perlcriticrc', 'perltidyrc']

These files will be pulled out of the repo alongside the main configuration file. If you don't list them here then you'll get errors like 'cannot find perlcriticrc' when the hook runs.

git_path
Path to git to use in commands, e.g. '/usr/bin/git' or '/usr/local/bin/git'. By default, just uses 'git', which will search the user's PATH.
reject_on_error
Whether "check()" should reject the commit when an unexpected runtime error occurs. By default, the error will be reported but the commit will be allowed.
tidyall_class
Subclass to use instead of Code::TidyAll
tidyall_options
Hashref of options to pass to the Code::TidyAll constructor. You can use this to override the default options 

    mode  => 'commit',
    quiet => 1,

or pass additional options.

new (key/value params...)
Constructor. Takes the same parameters documented in check(), above, and returns a new object which you can then call ``check_input'' on.
check_input (input)
Run a check on input, the text block of lines that came from standard input. You can call this manually before or after you do other processing on the input. Returns an error string if there was a problem, undef if no problems.

KNOWN BUGS

This hook will ignore any files with only a single line of content (no newlines), as an imperfect way of filtering out symlinks.

AUTHORS

COPYRIGHT AND LICENSE

This software is copyright (c) 2011 - 2015 by Jonathan Swartz.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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