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<body class="manpage">
<div id="header">
<h1>
git-multi(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-multi -
execute the same git command in multiple repositories
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_version">VERSION</h2>
<div class="sectionbody">
<div class="paragraph"><p>This is <code>v2.5.0</code> of <em>git multi</em> … hooray!</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="paragraph"><p>There are some options for <code>git multi</code> itself, in which case it
is invoked as follows:</p></div>
<div class="verseblock">
<pre class="content"><em>git multi</em> --<option> [<option_arguments>]</pre>
<div class="attribution">
</div></div>
<div class="paragraph"><p>To execute the same git command in multiple repositories, the
invocation is as follows:</p></div>
<div class="verseblock">
<pre class="content"><em>git multi</em> <git_command> [<git_command_arguments>]</pre>
<div class="attribution">
</div></div>
<div class="paragraph"><p>Both ways of running <code>git multi</code> take an optional, so-called "multi repo"
argument to limit the operation to the list of repositories in the referenced
"multi repo", ie. a single GitHub user or a single GitHub organization:</p></div>
<div class="verseblock">
<pre class="content"><em>git multi</em> ++<multi_repo> --<option> [<option_arguments>]</pre>
<div class="attribution">
</div></div>
<div class="paragraph"><p>and…</p></div>
<div class="verseblock">
<pre class="content"><em>git multi</em> ++<multi_repo> <git_command> [<git_command_arguments>]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Convenient way to execute the same git command in a set of related
repositories, which could be all GitHub repos for a given user, or
all repos for a given GitHub organization.</p></div>
<div class="paragraph"><p>Multipe users and organizations can be configured, and by default
<code>git multi</code> operates on all repositories for all users and all orgs;
to limit the operation to a single user or a single org, the optional
<code>++<multi_repo></code> argument can be used.</p></div>
<div class="paragraph"><p>The list of repos for a user or an org is determined via a GitHub API v3 call
and cached locally <em>(in binary format)</em> for performance and offline usage.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
--version
</dt>
<dd>
<p>
print out this script’s version number
</p>
</dd>
<dt class="hdlist1">
--help
</dt>
<dd>
<p>
you’re looking at it: show the man page
</p>
</dd>
<dt class="hdlist1">
--html
</dt>
<dd>
<p>
open the HTML version of the man page
</p>
</dd>
<dt class="hdlist1">
--report
</dt>
<dd>
<p>
report on various repository stats and metrics
</p>
</dd>
<dt class="hdlist1">
--count
</dt>
<dd>
<p>
print out the count of repos (per type)
</p>
</dd>
<dt class="hdlist1">
--refresh
</dt>
<dd>
<p>
refresh the list of user & organization repos
</p>
</dd>
<dt class="hdlist1">
--json
</dt>
<dd>
<p>
output repository details to JSON
</p>
</dd>
<dt class="hdlist1">
--list
</dt>
<dd>
<p>
print out the names of all repos
</p>
</dd>
<dt class="hdlist1">
--archived
</dt>
<dd>
<p>
print out the names of all repos
</p>
</dd>
<dt class="hdlist1">
--forked
</dt>
<dd>
<p>
print out the names of all repos
</p>
</dd>
<dt class="hdlist1">
--private
</dt>
<dd>
<p>
print out the names of all repos
</p>
</dd>
<dt class="hdlist1">
--paths
</dt>
<dd>
<p>
print out the full path for each repos
</p>
</dd>
<dt class="hdlist1">
--missing
</dt>
<dd>
<p>
print out names of repos that haven’t been cloned
</p>
</dd>
<dt class="hdlist1">
--clone
</dt>
<dd>
<p>
clones missing repositories into <code>${HOME}/Workarea</code> (by default)
</p>
</dd>
<dt class="hdlist1">
--stale
</dt>
<dd>
<p>
list repos that have been deleted on github.com
</p>
</dd>
<dt class="hdlist1">
--excess
</dt>
<dd>
<p>
list repos that don’t exist on github.com
</p>
</dd>
<dt class="hdlist1">
--spurious
</dt>
<dd>
<p>
list cloned repos whose remote doesn’t match a github.com origin
</p>
</dd>
<dt class="hdlist1">
--query (args)
</dt>
<dd>
<p>
query GitHub repo metadata for each repository
</p>
</dd>
<dt class="hdlist1">
--find <ruby>
</dt>
<dd>
<p>
print out the repos for which the Ruby code evaluates to true
</p>
</dd>
<dt class="hdlist1">
--eval <ruby>
</dt>
<dd>
<p>
execute the given Ruby code in the context of each repo
</p>
</dd>
<dt class="hdlist1">
--raw <cmd>
</dt>
<dd>
<p>
execute the given shell command inside each git repository
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="paragraph"><p>count the number of repos</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --list | wc -l</code></pre>
</div></div>
<div class="paragraph"><p>disk usage of each locally cloned repo</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --paths | xargs -n 1 du -hs</code></pre>
</div></div>
<div class="paragraph"><p>disk usage using the <code>--raw</code> option</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --raw 'du -hs .'</code></pre>
</div></div>
<div class="paragraph"><p>group and count the repos by GitHub-determined language</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --query language | cut -f 2 -d : | sort | uniq -c | sort -n -r</code></pre>
</div></div>
<div class="paragraph"><p>find out the most-used Ruby versions</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --raw '[ -f .ruby-version ] && cat .ruby-version' | cut -f 2 -d : | sort | uniq -c | sort -n -r</code></pre>
</div></div>
<div class="paragraph"><p>find GitHub repos without a description</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --query description | egrep ': *$'</code></pre>
</div></div>
<div class="paragraph"><p>fetch remote branches for all repos</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi fetch -p</code></pre>
</div></div>
<div class="paragraph"><p>print out the local branch for each repo (using <code>symbolic-ref</code>)</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi symbolic-ref --quiet --short HEAD</code></pre>
</div></div>
<div class="paragraph"><p>print out the local branch for each repo (using <code>rev-parse</code>)</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi rev-parse --abbrev-ref=strict HEAD</code></pre>
</div></div>
<div class="paragraph"><p>find all repos for which the <em>origin</em> remote isn’t github.com</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi config --get remote.origin.url | fgrep -v git@github.com:</code></pre>
</div></div>
<div class="paragraph"><p>a kind of "repository creation" report: count the number of repos created in each quarter</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --eval "class ::Time; def quarter() (month.to_f / 3.0).ceil; end; end; puts format('%d-Q%d', created_at.year, created_at.quarter)" | sort | uniq -c</code></pre>
</div></div>
<div class="paragraph"><p>for each repo, list all remote branches, sorted by the "age" of the last commit on each branch</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi for-each-ref --sort="-authordate" --format="%(refname)%09%(authordate:relative)%09%(authorname)" refs/remotes/origin</code></pre>
</div></div>
<div class="paragraph"><p>same as above, but columnize the generated output (NOTE: replace <em>^I</em> with CTRL-V/CTRL-I in your terminal)</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi for-each-ref --sort="-authordate" --format="%(refname)%09%(authordate:relative)%09%(authorname)" refs/remotes/origin | column -t -s "^I"</code></pre>
</div></div>
<div class="paragraph"><p>same as above, but refresh the list of remote branches first</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi fetch -p ; git multi for-each-ref --sort="-authordate" --format="%(refname)%09%(authordate:relative)%09%(authorname)" refs/remotes/origin</code></pre>
</div></div>
<div class="paragraph"><p>find all Rails projects</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --raw '[ -f Gemfile ] && fgrep -q -l rails Gemfile && echo uses Rails' | cat</code></pre>
</div></div>
<div class="paragraph"><p>find all Mongoid dependencies</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --raw '[ -f Gemfile.lock ] && egrep -i "^ mongoid (.*)" Gemfile.lock' | column -s: -t</code></pre>
</div></div>
<div class="paragraph"><p>find all projects that have been pushed to in the last week</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --find '((Time.now.utc - pushed_at) / 60 / 60 / 24) <= 7'</code></pre>
</div></div>
<div class="paragraph"><p>print out the number of days since the last push to each repository</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --eval 'puts "%s - %d days" % [full_name, ((Time.now.utc - pushed_at) / 60 / 60 / 24).ceil]'</code></pre>
</div></div>
<div class="paragraph"><p>find all projects that have seen activity this calendar year</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --find 'pushed_at >= Date.civil(Date.today.year, 1, 1).to_time.utc'</code></pre>
</div></div>
<div class="paragraph"><p>print out all webhooks</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --eval 'puts client.hooks(full_name).map { |hook| [full_name, hook.name, hook.config.url].join("\t") }'</code></pre>
</div></div>
<div class="paragraph"><p>delete all webhooks with matching URLs (in this case: <code>notify.travis-ci.org</code>)</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --eval 'client.hooks(full_name).find_all { |hook| hook.config.url =~ /notify.travis-ci.org/ }.each { |hook| client.remove_hook(full_name, hook.id) }'</code></pre>
</div></div>
<div class="paragraph"><p>print out all deploy keys</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --eval '(keys = client.list_deploy_keys(full_name)).any? && begin print full_name ; print "\t" ; puts keys.map(&:title).sort.join("\t") ; end'</code></pre>
</div></div>
<div class="paragraph"><p>find all organization repositories that depend on a given org repo, e.g. <em>business_rules</em></p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --graph | fgrep business_rules</code></pre>
</div></div>
<div class="paragraph"><p>generate a dependency graph of all organization repositories using yuml.me</p></div>
<div class="literalblock">
<div class="content">
<pre><code>DEPENDENCIES=$( git multi --graph | ruby -n -e 'parent, children = $_.split(": ") ; puts children.split(" ").map { |child| "[#{parent}]->[#{child}]" }' | tr '\n' ',' ) ; open "http://yuml.me/diagram/scruffy/class/${DEPENDENCIES}"</code></pre>
</div></div>
<div class="paragraph"><p>generate a dependency graph of all organization repositories using Graphviz</p></div>
<div class="literalblock">
<div class="content">
<pre><code>git multi --graph | ruby -n -e 'parent, children = $_.split(": ") ; puts children.split(" ").map { |child| "\"#{parent}\"->\"#{child}\";" }' | awk 'BEGIN { print "digraph {\nrankdir=\"LR\";\n" } ; { print ; } END { print "}\n" } ; ' | dot -Tpng > /tmp/ghor.png ; open -a Preview /tmp/ghor.png</code></pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_query_arguments">QUERY ARGUMENTS</h2>
<div class="sectionbody">
<div class="paragraph"><p>The following is a list of valid arguments for the <code>git multi --query</code> option:</p></div>
<div class="literalblock">
<div class="content">
<pre><code>archive_url archived assignees_url
blobs_url branches_url clone_url
collaborators_url comments_url commits_url
compare_url contents_url contributors_url
created_at default_branch deployments_url
description downloads_url events_url
fork forks forks_count
forks_url full_name git_commits_url
git_refs_url git_tags_url git_url
has_downloads has_issues has_pages
has_projects has_wiki homepage
hooks_url html_url id
issue_comment_url issue_events_url issues_url
keys_url labels_url language
languages_url license merges_url
milestones_url mirror_url name
network_count node_id notifications_url
open_issues open_issues_count organization
owner permissions private
pulls_url pushed_at releases_url
size ssh_url stargazers_count
stargazers_url statuses_url subscribers_count
subscribers_url subscription_url svn_url
tags_url teams_url trees_url
updated_at url watchers
watchers_count</code></pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_jq_integration">JQ INTEGRATION</h2>
<div class="sectionbody">
<div class="paragraph"><p><code>jq</code> is like <code>sed</code> for JSON data… all of the above query arguments can be
used in conjunction with <code>jq</code> to query, filter, map and transform the GitHub
repository attributes stored in the local, binary repository cache; here
are some examples:</p></div>
<div class="literalblock">
<div class="content">
<pre><code># print out each repository's name and its description
git multi --json | jq -r '.[] | .name + ": " + .description'</code></pre>
</div></div>
<div class="literalblock">
<div class="content">
<pre><code># print out the name of all "forked" repositories
git multi --json | jq -r '.[] | select(.fork == true) | .full_name'</code></pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_files">FILES</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
<code>${HOME}/Workarea</code>
</dt>
<dd>
<p>
root directory where repos will been cloned
</p>
</dd>
<dt class="hdlist1">
<code>${HOME}/.git/multi/repositories.byte</code>
</dt>
<dd>
<p>
local, binary cache of GitHub repository metadata
</p>
</dd>
<dt class="hdlist1">
<code>${HOME}/.git/multi/superprojects.config</code>
</dt>
<dd>
<p>
definitions for so-called "superproject" multi repos
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_references">REFERENCES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
homepage for <code>git-multi</code>:
<a href="https://github.com/pvdb/git-multi">https://github.com/pvdb/git-multi</a>
</p>
</li>
<li>
<p>
the GitHub API:
<a href="https://developer.github.com/v3/">https://developer.github.com/v3/</a>
</p>
</li>
<li>
<p>
the <code>jq</code> command-line utility:
<a href="http://stedolan.github.io/jq/">http://stedolan.github.io/jq/</a>
</p>
</li>
</ul></div>
</div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated
2019-01-23 21:22:08 GMT
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