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Posted by der_gopher 4 hours ago

.gitignore Everything by Default(packagemain.tech)
80 points | 85 comments
rcfox 3 hours ago|
This seems like bad advice. I've very rarely committed extra files by accident, but I would 100% forget to unignore files I meant to commit.

If you're doing an initial setup step to gitignore everything, why not just do an initial setup step to gitignore the usual files? Make a template that you copy into all of your repos.

electrovir 2 hours ago||
For many years I've have a git-ignored ".not-committed" folder in all of my repos for throwing extra anything into. It's been a huge life saver!
Zambyte 1 hour ago||
You can just add it in a user-level gitignore instead of ignoring it in every repo. See: ~/.config/git/ignore
saghm 1 hour ago||
I only realized very recently that being able to specify .gitignore files in any part of a repo can be combined with wildcards to just put `.gitignore` with `*` in a arbitrary directories to make them get ignored without needing to modify any wider configuration.
dietr1ch 41 minutes ago|||
I have a small user-global gitignore that most of the job for me,

    ```.gitignore
    # Ignores
    ## Unix hidden files
    .*
    ## Temporary files and backups
    *~
    *.swp
    *.bak  
    
    # Exceptions
    !.ignore
    !.gitignore
    ```

But I tend to copy it over and extend it as I go, and there's well-known reference gitignore files to skim for if you have anxiety around any particular language/editor/tool.

Now, I could extend my user-global ignore, but there's no project where I want the state of the repo to be wrong, but my local state saving me unknowingly, as I know it'll bite others.

traviswingo 2 hours ago|||
> The technique isn’t necessarily the right choice for every repository or developer, but is an alternative to explore.
grim_io 39 minutes ago|||
Most of the colleagues I've worked with only use "git add ." without checking first.

Keys, npm directories and huge binaries are fixed by deleting them later on. The horror.

kryptiskt 34 minutes ago|||
The problem is that those developers are also going to forget to update the ignore-by-default .gitignore to allow files, so there will be missing files. And they won't see any problems, because it works on their machine.
godelski 1 minute ago|||
It's at least easy to fix.

Not pushing a file has a much easier fix than pushing an API key. The damage is also very different.

Sure, both have failure modes but the effect of the failure is different and acting like they're the same isn't helpful to finding solutions

yurishimo 21 minutes ago|||
In my opinion this will pretty quickly solve itself though. Accidentally committing keys to the repo potentially ruins your entire week. With a default disallow all list, you might have one bad deploy oopsie and then commit the files.
embedding-shape 15 minutes ago|||
> Most of the colleagues I've worked with only use "git add ." without checking first.

I mean I do too, then git status to check what went it, then unstage files that aren't supposed to be there, rewrite .gitignore to exclude them (usually), and finally commit. Tends to be faster than manually adding each file/path. Alternatively, I start out with `git add -p` (interactive) and go through that workflow.

aleqs 2 hours ago|||
You can also use something like alint [0][1] to define and enforce rules about files/globs that should or shouldn't be committed, among other things. You can configure it to run as a pre-commit hook or in CI.

(disclaimer - this is my own tool)

[0] https://github.com/asamarts/alint [1] https://alint.org/docs/rules/git-hygiene/git_no_denied_paths...

gruez 3 hours ago|||
>This seems like bad advice. I've very rarely committed extra files by accident, [...]

You clearly haven't seen the people who are lazy and so just do `git add . && git commit -m ... && git push -f origin` every time.

jeremyjh 3 minutes ago|||
So the better alternative is for them to leave out files that should be committed?
rcfox 3 hours ago||||
I'm not convinced people acting on muscle memory would remember to unignore the files either. They're going to lose work or have giant "oops, I forgot to commit these files" commits.
cush 3 hours ago||||
Now walk through exactly what would happen when those lazy people follow this approach…

You see the issue right?

cortesoft 43 minutes ago||
I think the idea is that missing files will immediately cause issues (tests will fail, etc), so CI should catch this immediately.

Adding extra, sensitive, files would not cause test failures, and even if they do (via secret scanners, etc), it is too late at that point because they will have already been shared upstream.

I am not sure the juice is worth the squeeze here, but it has some logic to it.

JimDabell 33 minutes ago||||
> You clearly haven't seen the people who are lazy and so just do `git add . && git commit -m ... && git push -f origin` every time.

I’ve worked with and managed plenty of people like that and those are the people I least want doing something like this. Seeing the flotsam and jetsam of .DS_Store etc. are an early warning sign they aren’t paying any attention to what they push and the sooner that gets caught and addressed the better.

efilife 8 minutes ago|||
I do this. What's wrong with this approach and how should it be done correctly?
LaGrange 2 hours ago||
Recovery from forgetting to add something is _much_ easier than recovery from adding some weird configuration file with plaintext private keys in it.
SmasherEpilepti 2 hours ago|||
It depends. I've lost hours of work after wiping and recreating a repo that had accidentally gitignored a file I was working on, and I didn't notice until too late.
wafflemaker 1 hour ago|||
I usually have *secret in .gitignore and append .secret to any files with secrets.
Brajeshwar 2 hours ago||
It is weird that quite a few developers comes up with advices where they seem to come from a world where they work alone, have not work with enough people, or with enough projects.

In this case, a `.gitignore_global` takes care of the usual suspects that he mentioned `.DS_Store files, IDE config, compressed files, etc.`. Even if something goes wrong, it is usually caught during the initial scaffold before critical files goes in.

If one is working with new, young, rookie developers, give them the typical lesson on the global gitignore, local, config, and to have dotfiles, etc. Give yours for inspiration or something to start with.

Edit: I know that mine is not the best of the dotfiles on the internet but this has helped me switch multiple devices, multiple identities (work, projects, personal, etc) easily. I recently cleaned it up and added automation, test, etc with Claude Code. https://github.com/brajeshwar/dot

Waterluvian 1 minute ago||
> It is weird that quite a few developers comes up with advices where they seem to come from a world where they work alone, have not work with enough people, or with enough projects.

What is weird about it?

wafflemaker 1 hour ago|||
Wow, thanks so much for . gitignore_global.

Finally can have Emacs files ignored automatically in all projects. <3

DarmokTanagra 1 hour ago||
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isityettime 1 hour ago||
How about just learning to use `git add` correctly? Are you so committed to just slamming `git add -A` all the time? It's not hard to have uncommitted files sitting in your working tree without messing with .gitignore at all.
caseyw 3 hours ago||
I don’t ignore by default, but only stage the items I explicitly want.

I can’t tell you how many times I’ve been pairing with someone when they just say “git add .”, I’m always confused by that choice.

I get it, but I’ve seen more problems arise from adding all than being consistently selective. To each their own.

etbebl 3 hours ago||
I use "git add ." (or rather -A), but I will always do a "git status" first to make sure I'm not doing something silly. Of course you still have to be careful about subdirectories, which is why I usually also do a "git status" again before committing.
jameshart 1 hour ago|||
git add . is nondestructive and reversible. I tend to do git add . and then run git status.

I’m far more interested in confirming my mental model of what I am about to commit if I git commit right now than my mental model of what will be added if I git add right now.

If I didn’t already have that muscle memory I might try to switch to git add -v . which would tell me what files it added. I’d argue that a sane git would just output git status after a git add operation.

But also a sane git would have a more logical command than git rm —cached to unstage a file. Like git unstage perhaps.

airstrike 44 minutes ago||||
even better, I recently learned I can just `gst` on oh-my-zsh for `git status` and other similar shortcuts

https://kapeli.com/cheat_sheets/Oh-My-Zsh_Git.docset/Content...

eszed 2 hours ago||||
I'm with you, though I do it differently. I have a git-status plug-in in my editor that shows me what directories -> files have been changed, and then which lines when I open them. Scanning the sidebar is the same as running "git status" first, but I prefer the visual representation.
noir_lord 3 hours ago|||
another `git status` then `git add .` folk here, it's a quick sanity check and then quicker and frankly it's just the habit I got into when I first started using git.

I've never managed to get on with any UI for basic git tasks, they always end up been slower.

skydhash 2 hours ago||
I’ve been using magit lately, but I only do ‘git add .’ when it’s a very simple change. Especially in complex projects, I do some changes to isolate code or fix other issues in passing. So I stage by lines and hunks to isolate specific changes and commit them one by one. But magit is the vim of version control, so no speed issue there.
brunoarueira 2 hours ago|||
In a previous company I worked for my Tech Lead usually do git add -p <file> to be extra cautious with the modifications and do a good self review after when open the pull request
dmurray 2 hours ago|||
I try to structure my work in such a way that "git add ." is a sensible thing to do. I stashed or committed outstanding changes before starting on this feature, and I did exactly enough work for one commit since then. And the state of the project right now is what I've built and tested, so it's a good candidate to go into version control.

Changes that are needed to get the project to run right in the dev environment, but that should never be committed, are a smell: I move them to config that doesn't get committed.

Increasingly with agents I'm likely working on multiple features in parallel (I haven't adopted git worktrees but I probably should). Even then I try to lay out code so concurrent changes touch disjoint parts of the codebase, so I can do "git add Widgets/FooWidget/" and the ten files modified under there will be the right things to commit.

Maybe 30% of the time I find I have done work that belongs in multiple commits and I need to break it up. Even then I often end up doing "git add -p ." to interactively pick the parts I want to add.

aequitas 2 hours ago||
Lazygit[0] is ideal for quickly selecting files or lines you want to include in your commit. There are probably countless others. And `--patch` is also not that hard.

[0] https://github.com/jesseduffield/lazygit

flexagoon 3 hours ago||
> other junk (CLAUDE.md for example) that shouldn’t be in your repository

How is CLAUDE.md/AGENTS.md "junk that shouldn't be in your repository"? If you're using agents for a project and have some project-specific rules for them, why would you want other people using agents in your repository to not have access to those rules and produce worse code?

hansvm 2 hours ago||
IME people are usually shoving their personal preferences in CLAUDE.md, sometimes automatically as the agent updates the file with that developer's pet peeves.

- Right now at $WORK, CLAUDE.md has a line saying to put one-off scripts in some gitignored place. That's fine if they're not worth checking in (IMO, you should build the tooling which would have made the script easy and check that in, but whatever), but that AI rule doesn't really keep them from being checked in -- developers manually review every line of code and decide what to check in -- that's just somebody deciding they'd rather not have to think so hard when running git add. Which is fine, but it directly conflicts with my preference for all AI-generated files to be plainly visible as a diff or with git status or something. They have a different diffing strategy, which is also fine, but that's just a dev's personal preference encoded in a whole-team doc.

- Or, I have a prompt I use to encourage higher quality code before I have to manually inspect it. It basically says "delete $200 and 1hr." For somewhat obvious reasons, I don't run it on every piece of code the AI shits out. I make it available in the project for people who want to use it, but I don't even want it in my CLAUDE.md, much less the team's.

- Similarly with whether to use git for checkpointing. I prefer to check the AIs output at each step. A colleague prefers to have it save its progress using git in 30+ commits on a side branch and then check them all at once. One of those workflows was in CLAUDE.md and absolutely is not anymore -- it's quite appropriate for a single developer's AI settings, but not for the team as a whole.

Those settings files are a lot closer to .vscode directories or other dev-specific editor configuration. Project-specific information should be exposed differently.

kukkamario 2 hours ago||
Well CLAUDE.local.md exists specially for personal preferences. Include line to CLAUDE.md that "never edit CLAUDE.md. Write user preferences to CLAUDE.local.md".

CLAUDE.local.md is the one that should be in .gitignore.

DarmokTanagra 1 hour ago||
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Boxxed 8 minutes ago||
I do this with docker. Insane that the default is to recursively ship all of PWD.
matthewmc3 4 hours ago||
I'm not convinced about ignoring everything, but one of the best changes I ever made to my git workflow was ignoring all dotfiles by default by adding `.*` to ~/.config/git/ignore.

My projects do now have to have a boiler plate of unignoring the common ones (!.gitignore, !.gitattributes, !.github, !.editorconfig, etc), but then I'm free at any point to throw .foo.lang files, or .tmp/.cache dirs, or Claude helpers like .code_analysis.md, or .todos.txt, or whatever in my project without managing the fallout of forgetting to manage the .gitignore. I'm surprised more people don't go this route.

GranPC 3 hours ago||
Couldn't you put !.gitignore et al in your global config file?
hansvm 2 hours ago|||
I normally go with `.*/` -- I find that hidden files are much more likely than hidden directories to be useful.
flexagoon 3 hours ago|||
I have `playground/` in my ignore config, that way I can just create a playground directory for any project and do stuff in there
zzril 2 hours ago||
I have a shell alias to create a folder containing a `.gitignore` with just `*`, so I don't depend on my project never using a directory of a specific name.
der_gopher 4 hours ago||
I do the same
yipinwong 1 hour ago||
Very security engineer minded approach.

I block every port for VPS, then open one by one. Same approach here with files.

The only downside I see here is, knowing which one to allow. For ports, it's easy, but files can have many different extensions.

Apps/CLIs, etc create files with extensions you never encountered before, which can cause issues.

Other than that, I like the apporach

ryanbrunner 2 hours ago||
The problem with this approach (that their first example already demonstrates), is that you'll almost immediately start with a "this type of file is OK" solution, and whether something should go in git doesn't really have a super strong correlation with file type.

It hobbles `git status` and essentially forces you to keep track of what you've changed yourself (since ignored files won't show up there), and it can instill a false sense of security that `git add .` is safe when it might not be.

aleqs 1 hour ago|
I use alint [0][1] to define and enforce rules about files/globs that should or shouldn't be committed, among other things. You can configure it run as a pre-commit hook or in CI.

(disclaimer - this is my own tool)

[0] https://github.com/asamarts/alint

[1] https://alint.org/docs/rules/git-hygiene/git_no_denied_paths...

vivzkestrel 2 hours ago|
- or you could stop scratching your head so hard and actually use the gitignore templates for every programming language officially recommended by github itself

- https://github.com/github/gitignore

- funny how I did not see a single comment talk about this

piker 2 hours ago||
Because it's insufficient?

https://github.com/github/gitignore/blob/main/Rust.gitignore for example still falls victim to basically all of the issues specifically called out.

aleqs 1 hour ago||
I use alint [0][1] to define and enforce rules about files/globs that should or shouldn't be committed, among other things. You can configure it run as a pre-commit hook or in CI.

(disclaimer - this is my own tool)

[0] https://github.com/asamarts/alint

[1] https://alint.org/docs/rules/git-hygiene/git_no_denied_paths...

zarlss43 2 hours ago|||
These do not include os generated files like his first example, .DS_Store. I do use the templates, but I have a gist that I add to every project of os generated files that may work themselves in.
adammarples 2 hours ago||
Just have a global, personal gitignore in your home folder to cover them
buzzy_hacker 2 hours ago|||
I like https://www.toptal.com/developers/gitignore because I can mix programming language files with OS ones
13415 2 hours ago||
In my experience these templates don't cover enough and are always faulty. Not only that, most real-world projects use many different programming languages and markup languages.
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