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Chris Cochrun 2022-01-03 12:41:35 -06:00
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<p>From time to time I tend to forget what’s my effective Git configuration, so I have to
check it somehow. Most of the time I’d simply do the following:<sup id="fnref:1"><a class="footnote" href="https://batsov.com/articles/2021/11/14/display-git-configuration/#fn:1" rel="footnote">1</a></sup></p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span>git config <span class="nt">--list</span>
user.name<span class="o">=</span>Bozhidar Batsov
user.email<span class="o">=</span>bozhidar@example.org
pull.rebase<span class="o">=</span><span class="nb">true
</span>credential.username<span class="o">=</span>bbatsov
core.repositoryformatversion<span class="o">=</span>0
core.filemode<span class="o">=</span><span class="nb">true
</span>core.bare<span class="o">=</span><span class="nb">false
</span>core.logallrefupdates<span class="o">=</span><span class="nb">true
</span>remote.origin.url<span class="o">=</span>git@github.com:bbatsov/batsov.com.git
remote.origin.fetch<span class="o">=</span>+refs/heads/<span class="k">*</span>:refs/remotes/origin/<span class="k">*</span>
branch.master.remote<span class="o">=</span>origin
branch.master.merge<span class="o">=</span>refs/heads/master
</code></pre></div></div>
<p>This works great, but there’s one small problem with the output - it’s hard to figure out if something is a global setting
or a repo-specific setting. If only there was a way to show where each config value is coming from… Enter <code class="language-plaintext highlighter-rouge">--show-origin</code>:</p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span>git config <span class="nt">--list</span> <span class="nt">--show-origin</span>
file:/home/bozhidar/.gitconfig user.name<span class="o">=</span>Bozhidar Batsov
file:/home/bozhidar/.gitconfig user.email<span class="o">=</span>bozhidar@example.org
file:/home/bozhidar/.gitconfig pull.rebase<span class="o">=</span><span class="nb">true
</span>file:/home/bozhidar/.gitconfig credential.username<span class="o">=</span>bbatsov
file:.git/config core.repositoryformatversion<span class="o">=</span>0
file:.git/config core.filemode<span class="o">=</span><span class="nb">true
</span>file:.git/config core.bare<span class="o">=</span><span class="nb">false
</span>file:.git/config core.logallrefupdates<span class="o">=</span><span class="nb">true
</span>file:.git/config remote.origin.url<span class="o">=</span>git@github.com:bbatsov/batsov.com.git
file:.git/config remote.origin.fetch<span class="o">=</span>+refs/heads/<span class="k">*</span>:refs/remotes/origin/<span class="k">*</span>
file:.git/config branch.master.remote<span class="o">=</span>origin
file:.git/config branch.master.merge<span class="o">=</span>refs/heads/master
</code></pre></div></div>
<p>Now, that’s more like it! But wait, there’s more!</p>
<p>Since Git 2.26.0, you can use the <code class="language-plaintext highlighter-rouge">--show-scope</code> option to achieve a similar result:</p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span>git config <span class="nt">--list</span> <span class="nt">--show-scope</span>
system rebase.autosquash<span class="o">=</span><span class="nb">true
</span>system credential.helper<span class="o">=</span>helper-selector
global core.editor<span class="o">=</span>emacs
<span class="nb">local </span>core.symlinks<span class="o">=</span><span class="nb">false
local </span>core.ignorecase<span class="o">=</span><span class="nb">true</span>
</code></pre></div></div>
<p>It can be combined with <code class="language-plaintext highlighter-rouge">--show-origin</code> or the following flags:</p>
<ul>
<li><code class="language-plaintext highlighter-rouge">--local</code> for repository config</li>
<li><code class="language-plaintext highlighter-rouge">--global</code> for user config</li>
<li><code class="language-plaintext highlighter-rouge">--system</code> for all users’ config</li>
</ul>
<p>Pretty much everything related to <code class="language-plaintext highlighter-rouge">git config</code> can be combined with those flags.
Here’s how to list only the settings defined within the current repository:</p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span>git config <span class="nt">--list</span> <span class="nt">--show-origin</span> <span class="nt">--local</span>
file:.git/config core.repositoryformatversion<span class="o">=</span>0
file:.git/config core.filemode<span class="o">=</span><span class="nb">true
</span>file:.git/config core.bare<span class="o">=</span><span class="nb">false
</span>file:.git/config core.logallrefupdates<span class="o">=</span><span class="nb">true
</span>file:.git/config remote.origin.url<span class="o">=</span>git@github.com:bbatsov/batsov.com.git
file:.git/config remote.origin.fetch<span class="o">=</span>+refs/heads/<span class="k">*</span>:refs/remotes/origin/<span class="k">*</span>
file:.git/config branch.master.remote<span class="o">=</span>origin
file:.git/config branch.master.merge<span class="o">=</span>refs/heads/master
</code></pre></div></div>
<p>Of course, you can also consult specific settings if you remember their names:</p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span>git config user.email
bozhidar@example.org
<span class="nv">$ </span>git config <span class="nt">--show-origin</span> user.email
file:.git/config bozhidar@example.org
</code></pre></div></div>
<p>I rarely do this, as I’m struggling to remember even some of the basic config options, but your memory might be better than mine.</p>
<p>That’s all I’ve got for you today. I hope you learned something useful! I also hope I’ll finally remember <code class="language-plaintext highlighter-rouge">--show-scope</code>!</p>
<div class="footnotes">
<ol>
<li id="fn:1">
<p>Admittedly, first I’d often try <code class="language-plaintext highlighter-rouge">git config</code> and then start to wonder what was the proper command. <a class="reversefootnote" href="https://batsov.com/articles/2021/11/14/display-git-configuration/#fnref:1">↩</a></p>
</li>
</ol>
</div>