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Diffstat (limited to 'public/git-go-pre-commit.html')
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1 files changed, 5 insertions, 5 deletions
diff --git a/public/git-go-pre-commit.html b/public/git-go-pre-commit.html index 5c536f1..e0c29bf 100644 --- a/public/git-go-pre-commit.html +++ b/public/git-go-pre-commit.html @@ -11,9 +11,9 @@ <article> <h1 id="a-git-pre-commit-hook-for-automatically-formatting-go-code">A git pre-commit hook for automatically formatting Go code</h1> <p>One of the (many) wonderful things about the Go programming language is the <code>gofmt</code> tool, which formats your source in a canonical way. I thought it would be nice to integrate this in my <code>git</code> workflow by adding it in a pre-commit hook to automatically format my source code when I committed it.</p> -<p>The Go distribution contains a git pre-commit hook that checks whether the source code is formatted, and aborts the commit if it isn't. I don't remember if I was aware of this at the time (or if it even existed at the time, or if it is new), but I wanted it to go ahead and format the code for me.</p> -<p>I found a few solutions online, but they were all missing something—support for partial commits. I frequently use <code>git add -p</code>/<code>git gui</code> to commit a subset of the changes I've made to a file, the existing solutions would end up adding the entire set of changes to my commit.</p> -<p>I ended up writing a solution that only formats the version of the that is staged for commit; here's my <code>.git/hooks/pre-commit</code>:</p> +<p>The Go distribution contains a git pre-commit hook that checks whether the source code is formatted, and aborts the commit if it isn’t. I don’t remember if I was aware of this at the time (or if it even existed at the time, or if it is new), but I wanted it to go ahead and format the code for me.</p> +<p>I found a few solutions online, but they were all missing something—support for partial commits. I frequently use <code>git add -p</code>/<code>git gui</code> to commit a subset of the changes I’ve made to a file, the existing solutions would end up adding the entire set of changes to my commit.</p> +<p>I ended up writing a solution that only formats the version of the that is staged for commit; here’s my <code>.git/hooks/pre-commit</code>:</p> <pre><code>#!/bin/bash # This would only loop over files that are already staged for commit. @@ -31,8 +31,8 @@ for file in **/*.go; do git add "$file" mv "$tmp" "$file" done</code></pre> -<p>It's still not perfect. It will try to operate on every <code>*.go</code> file—which might do weird things if you have a file that hasn't been checked in at all. This also has the effect of formatting files that were checked in without being formatted, but weren't modified in this commit.</p> -<p>I don't remember why I did that—as you can see from the comment, I knew how to only select files that were staged for commit. I haven't worked on any projects in Go in a while—if I return to one of them, and remember why I did that, I will update this page.</p> +<p>It’s still not perfect. It will try to operate on every <code>*.go</code> file—which might do weird things if you have a file that hasn’t been checked in at all. This also has the effect of formatting files that were checked in without being formatted, but weren’t modified in this commit.</p> +<p>I don’t remember why I did that—as you can see from the comment, I knew how to only select files that were staged for commit. I haven’t worked on any projects in Go in a while—if I return to one of them, and remember why I did that, I will update this page.</p> </article> <footer> |