this post was submitted on 08 Oct 2024
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Linus Torvalds expressed frustration over the use of passive voice in merge commit messages, preferring active and imperative language instead.

He provided an example of how commit messages should be rewritten for clarity and consistency across the project.

Torvalds noted that while it's not a major issue, it does add extra work when he has to rewrite messages to match his preference.

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[–] [email protected] 152 points 1 month ago (4 children)

I read his message. He didn't seem grumpy or frustrated to me; just encouraging folks to use a certain style that's already in wide use, for reduced noise and better consistency.

[–] [email protected] 72 points 1 month ago* (last edited 1 month ago) (4 children)

The message:

"I try to make my merge commit messages be somewhat "cohesive", and so I often edit the pull request language to match a more standard layout and language. It's not a big deal, and often it's literally just about whitespace so that we don't have fifteen different indentation models and bullet syntaxes. I generally do it as I read through the text anyway, so it's not like it makes extra work for me.

But what does make extra work is when some maintainers use passive voice, and then I try to actively rewrite the explanation (or, admittedly, sometimes I just decide I don't care quite enough about trying to make the messages sound the same).

So I would ask maintainers to please use active voice, and preferably just imperative."

Giving an example of a bad commit message, Torvalds provided this example: "In this pull request, the Xyzzy driver error handling was fixed to avoid a NULL pointer dereference." He believes this should have been written as follows: "This fixes a NULL pointer dereference in ..."

[–] [email protected] 53 points 1 month ago

Honestly, makes sense, the active voice version is just... more efficient and easier to parse quickly.

[–] [email protected] 27 points 1 month ago (1 children)

Weird the example he gave isn't imperative, which I think would be "Fix a null pointer dereference in ..."

[–] [email protected] 17 points 1 month ago

This is the language I use, once I started I never looked back.

[–] [email protected] 8 points 1 month ago

Usually just start with the verb.

"fix a NULL pointer dereference in ..."

[–] [email protected] 3 points 1 month ago

It's not a big deal, and often it's literally just about whitespace so that we don't have fifteen different indentation models and bullet syntaxes.

[–] xoggy 42 points 1 month ago (1 children)

But it's Linus so everybody likes to think everything he says is blunt and crass.

[–] [email protected] 23 points 1 month ago (1 children)

Any in many ways, that is the way engineers should speak to other engineers when analyzing a problem.

If two or more people can actually share a common goal of finding the best solution, everyone involved should be making sure that no time is wasted chasing poor solutions. This not only takes the ability to be direct to someone else, but it also requires that you can parse what others are telling you.

If someone makes something personal or takes something personal, they need a break. Go take a short walk or something. (Linus is a different sort of creature though. I get it.)

TBH, this is part of the reason I chose my doctor (GP). She is extremely direct when problem solving and has no problems theory-crafting out loud. Sure, we are social to a degree, but we share many of the same professional mannerisms. (We had a short discussion on that topic the other day, actually. I just made her job easier because I give zero fucks about being judged for any of my personal health issues.)

[–] 0x0 7 points 1 month ago (1 children)

You still should use condoms.

[–] [email protected] 1 points 1 month ago (1 children)

When I see my Dr. or when I talk to other engineers?

[–] 0x0 1 points 1 month ago

Both, just us'em on your ears when talking to engineers.

[–] [email protected] 29 points 1 month ago

"Torvalds complains" makes people click.

[–] [email protected] 20 points 1 month ago

Agreed this is essentially a style guide.

[–] [email protected] 47 points 1 month ago* (last edited 1 month ago) (2 children)

And here it is in the kernel contribution documentation.

Simple example:

  • bad: ~~Added foo interface.~~
  • good: Add foo interface.

So the commit says what applying the patch will do, not what you worked on.

[–] lysdexic 17 points 1 month ago (1 children)

good: Add foo interface.

Another commit style is summarizing what a commit does. In this case it would be someting like:

Adds foo interface.

I think this style is more in line with auditing code.

[–] [email protected] 9 points 1 month ago (1 children)

This indicative mood is something I would send back for correction or correct myself where I am the maintainer. However I understand that although this is pretty consistent through FOSS, it is not a settled matter especially in corpo-land. Most important is that it is consistent within a project. See many differing views here on Stackoverflow, noting the most popular answer though is imperative as Linus requests.

[–] [email protected] 4 points 1 month ago

Honestly I've never thought about it this much. I'll have to make an effort to stop writing in past tense.

[–] [email protected] 16 points 1 month ago

This has been the recommendation and the way to do it for decades everywhere I've been too.

[–] starshipwinepineapple 38 points 1 month ago

There are much smaller projects that ask for more from commits/merge messages. This is a normal ask

[–] [email protected] 35 points 1 month ago (1 children)

Linus Torvalds: creator of Linux and Git, and hero to all English teachers everywhere!

[–] [email protected] 9 points 1 month ago (2 children)

So, uh, I have a colleague who studied linguistics, and when I explained to her that we write commit messages like that, her reaction was basically: What the fuck, why?

My explanation wasn't as sharp, as I didn't call it "imperative" but rather just "infinitive", which got me the immediate backlash that it's not a sentence then, so why do you put a dot behind it?

She did accept my ~~descriptivist excuses~~ explanation that we write it that way, because it's terser, but I know it didn't sit well with her.
Will need to see what her reaction is to commanding the repo. 😅

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[–] [email protected] 24 points 1 month ago (2 children)

Real developer's commit messages are all “Oops”.

[–] [email protected] 22 points 1 month ago

maybe this will work

...

...

...

linting and unit tests

[–] [email protected] 3 points 1 month ago (1 children)

Real developers'* commit messages

[–] [email protected] 2 points 1 month ago

Oh I read it as the singular, as in "a real developer's ___"

[–] [email protected] 17 points 1 month ago (1 children)

depending on the time of day my commits range from war and peace to 'jfc here is just the message "yeah" for the next twenty commits because the client keeps requesting stupid ass decisions".

[–] [email protected] 5 points 1 month ago

As the day goes on


fixup=fixup -fuck

fuck

bleh

some bug squashin

implement stuff

Fixes configuration issues, and improves the UI for setting it up

[–] [email protected] 16 points 1 month ago

Linus Torvalds expressed frustration over the use of passive voice in merge commit messages, preferring active and imperative language instead.

Things To Care About, vol 147, 2nd edition

[–] [email protected] 15 points 1 month ago (2 children)

I like good commit messages that use less words but still give the full picture. If something hacky was done then a comment is better. I like mine with imperative voice since it avoids writing a prose.

"Fix a bug where when doing x then y happens"

"Add setting to control x"

[–] [email protected] 7 points 1 month ago* (last edited 1 month ago) (2 children)

I really don’t like starting with “fix.” You can just describe it without saying “fix” most times.

  • Fix Strings containing whitespace
  • Escape Strings containing whitespace in CSVExporter
[–] [email protected] 2 points 1 month ago

I always thought of the "how" being better explained by the code itself where you can see string.replace(" ", "\ ") as the actual fix while the message says the "why".

I would still have "Fix a bug where strings containing whitespace break CSVExporter" as my go to message.

I guess our viewpoints are different based whether we want the commit messages to represent tasks or changes. They both have their uses of course. Looking at changes to a file to know what people have done to it is better with a "changes" type message but looking at the history to check "did we actually complete this or was it just marked as completed in the issue tracker?" is better with a task based message.

Task management where every issue is put on a ticket and tracked would my type of messages obsolete but at my current company theyre very useful.

[–] [email protected] 1 points 1 month ago

I basically stole your comment but made a worse version. On this note, though, there's sometimes value in using words like "fix" or other kinds of tagging or consistent formatting in the sense that you can do a meta-analysis of the repo history to look at trends (like the ratio of fixes to feature work) over time.

Issue tracking software obviates that, somewhat, but having that info embedded in the repo history lets you go further and look at which files have the most fixes etc.

Existing tools out there sometimes do this exact thing, but it can be manually done as well

[–] [email protected] 4 points 1 month ago (1 children)

Knowing you fixed a bug is minimal information and usually covered by an issue reference in professional software development. I'd prefer to see the commit describing what the fix is actually doing to fix the bug.

[–] [email protected] 3 points 1 month ago

Right until the reference breaks. Ask me how I know.

[–] [email protected] 14 points 1 month ago (1 children)

Love a good commit message. I wish I could say what we perceive as “good” is instead thought to be “normal”, but we aren’t there yet I guess.

If the word “imperative mood” is hard to grasp, this is what I do. I just finish this sentence in less than 50 - 75 words, length depending on consensus.

This commit will …

Add more details in the body if needed.

This sort of style extends to PRs/MRs as well.

This PR/MR will …

[–] [email protected] 4 points 1 month ago

That's actually helpful, thanks

[–] [email protected] 4 points 1 month ago

Upd

Fix

Upd

Fuck

Updated file1

Fuck

Fix

Updated file2

Merge remote-tracking branch other-user1-feature

Fix after merge

Upd

Revert "Merge remote-tracking branch other-user1-feature"

Revert "Revert "Merge remote-tracking branch other-user1-feature""

[–] [email protected] 3 points 1 month ago

Updates & fixes -> I personally made updates with my bare hands and then also actively fixed some broken things also with my bare hands

[–] [email protected] 3 points 1 month ago (1 children)

You head him boys! Users of passive voice should be puched in the face!

[–] [email protected] 1 points 1 month ago

Hey, I was wondering if you can update your commit with a punch in the face, if possible? No pressure thanks for contributing!

[–] Reptorian 2 points 1 month ago

When I do commit, I write up the title of what I did, and describe it, and then use periods for related commits. Just easier.

[–] onlinepersona 1 points 1 month ago

You know, if they used the PR workflow with a CI that enforced standardised commit messages, this could be quite easily solved? Forcing everything through a mailing list seems to create more work for maintainers...

Anti Commercial-AI license

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