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Git::Hooks::Notify - Git::Hooks plugin to notify users via email
Git::Hooks plugin you don't use this Perl module directly. Instead, you may configure it in a Git configuration file like this:
[githooks] plugin = Notify [githooks "notify"] from = firstname.lastname@example.org commit-url = https://github.com/userid/repoid/commit/%H rule = email@example.com rule = firstname.lastname@example.org email@example.com -- lib/Git/Hooks/Notify.pm rule = firstname.lastname@example.org email@example.com -- Changes lib/
The first section enables the plugin.
The second instance enables
some of the options specific to this plugin.
from option defines the value of the
From: header in the notifications.
commit-url option defines a URL pattern to embed links to commits in the notifications.
rule options specifies who must be notified about what changes in the repository. The first rule notifies
firstname.lastname@example.org about every new commits. The second rule notifies to the Bedrock fellows only about changes affecting the lib/Git/Hooks/Notify.pm file. The third rule notifies the Dynamic Duo about changes affecting the Changes file in the repository root and changes affecting any file under the lib/ directory.
This Git::Hooks plugin hooks itself to the hooks below to notify users via email about pushed commits affecting specific files in the repository.
This hook is invoked once in the remote repository after a successful
git push. It's used to notify JIRA of commits citing its issues via comments.
To enable it you should add it to the githooks.plugin configuration option:
git config --add githooks.plugin Notify
By default no notifications are sent. You have to specify rules telling the plugin which email addresses should receive notifications about any change or about changes in specific paths inside the repository. Each rule is checked for each branch affected by the git-push and each combination may produce a specific email notification, with configurable
You should avoid configuring too many rules because each one of them will trigger a
git-log command and potentially send an email. All this processing will take place while the user is waiting for the command
git-push to finish. In order to minimize the delay you should try to configure a single global rule and a single rule for each path specification, grouping all email addresses interested in the same path in the same rule.
The body of the message contains information about the changes and the result of a
git log command showing the pushed commits and the list of files affected by them. For example:
Subject: [Git::Hooks::Notify] repo:myproject branch:master This is a notification about new commits affecting a repository you're watching. REPOSITORY: myproject BRANCH: master PUSHED BY: username FROM: 75550b66ab08536787487545904fb062c6e38a7f TO: 6eaa6a84fbd7e2a64e66664f3d58707618e20c72 FILTER: lib/Git/Hooks/ commit 6eaa6a84fbd7e2a64e66664f3d58707618e20c72 Author: Gustavo L. de M. Chaves <email@example.com> Date: Mon Dec 4 21:41:19 2017 -0200 Add plugin Git::Hooks::Notify 305 0 lib/Git/Hooks/Notify.pm 63 0 t/02-notify.t commit c45feb16fe3e6fc105414e60e91ffb031c134cd4 Author: Gustavo L. de M. Chaves <firstname.lastname@example.org> Date: Sat Nov 25 19:13:42 2017 -0200 CheckJira: JQL options are scalar, not multi-valued 40 32 lib/Git/Hooks/CheckJira.pm 12 12 t/02-check-jira.t
FILTER: line only appears if the rule specifies one or more pathspecs to only show commits affecting matching files.
Each commit shows the files it changes, perhaps filtered by the rule's pathspecs. They're shown in the format produced by
--numstat option. Merge commits don't show changed files, though. Thery're marked with an additional
You can change the
git log format and a few other things in the message using the configuration options explained below.
Notify - Git::Hooks plugin to notify users via email
The plugin is configured by the following git options.
It can be disabled for specific references via the
githooks.noref options about which you can read in the Git::Hooks documentation.
The rule directive adds a notification rule specifying which RECIPIENTS should be notified of pushed commits affecting the specified PATHSPECS.
If no pathspec is specified, the recipients are notified about every push.
RECIPIENTS is a space-separated list of email addresses.
PATHSPECS is a space-separated list of pathspecs, used to restrict notifications to commits affecting particular paths in the repository. Note that the list of paths starts after a double-dash (--).
[githooks "notify"] rule = email@example.com rule = firstname.lastname@example.org email@example.com -- lib/Git/Hooks/Notify.pm rule = firstname.lastname@example.org email@example.com -- Changes lib/
The first rule above sends notifications to firstname.lastname@example.org about every change pushed to the repository.
The second rule sends notifications to the Bedrock fellows just about changes in the lib/Git/Hooks/Notify.pm file.
The third rule sends notifications to the Dynamic Duo just about modifications in the Changes file in the repository root and about modifications in any file under the lib/ directory.
You can read all about pathspecs in the
git help glossary.
By default the messages are sent using Email::Simple's default transport. On Unix systems, it is usually the
sendmail command. You can specify another transport using this configuration.
TRANSPORT must be the basename of an available transport class, such as
Mbox. The name is prefixed with
Email::Sender::Transport:: and the complete name is required like this:
eval "require Email::Sender::Transport::$TRANSPORT";
So, you must make sure such a transport is installed in your server's Perl.
ARGS is a space-separated list of
VAR=VALUE pairs. All pairs will be tucked in a hash and passed to the transport's constructor. For example:
[githooks "notify"] transport = SMTP host=smtp.example.net ssl=starttls sasl_username=myself sasl_password=myword transport = Mbox filename=/home/user/.mbox transport = Maildir dir=/home/user/maildir
Please, read the transport's class documentation to know which arguments are available.
This allows you to specify a sender address to be used in the notification's
To header. If you don't specify it, the sender will probably be the user running your hooks. But you shouldn't count on it. It's better to specify it with a valid email address that your users can reply to. Something like this:
[githooks "notify"] from = "Git::Hooks" <email@example.com>
This allows you to specify the subject of the notification emails. If you don't specify it, the default is like this:
Subject: [Git::Hooks::Notify] repo:%R branch:%B
%letters symbols are placeholders that are replaced automatically. The three placeholders defined are:
%R: the repository name.
%B: the branch name.
%A: the username of the user who performed the git-push command.
This allows you to specify a preamble for the notification emails. There is no default preamble.
This allows you to specify the limit of commits that should be shown for each changed branch. Read about the --max-count option in
git help log. If not specified, a limit of 10 is used.
If your Git repository has a web interface it's useful to provide links to the commits shown in the notification message. If configured, each SHA1 contained in the
git-log output is substituted by
URL_PATTERN, with the
%H placeholder replaced by the SHA1.
See below how to configure this for some common Git servers. Replace the angle-bracketed names with values appropriate to your context:
Gerrit with Gitblit
By default the email messages are sent in plain text. Enabling this option sends HTML-formatted messages, which look better on some email readers.
Make sure you have the HTML::Entities module installed, because it's needed to format the messages.
These are just a few of the ideas for improving this plugin.
It should support other placeholders for the Git server's base URL, repository name, user name, etc. So that we could configure a single template for all repositories in a server. Currently one has to configure a different commit-url for each repository.
Send notifications on Gerrit's change-merged hook.
Gustavo L. de M. Chaves <firstname.lastname@example.org>
This software is copyright (c) 2018 by CPqD <www.cpqd.com.br>.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.