Re: [PATCH v5] doc: add an explanation of Git's data model

From: Julia Evans <julia@jvns.ca>
Date: Nov 3, 2025, 19:52 UTC
Message-ID: <9ec9a2ec-d141-4c0b-8fd7-bfcd6a3f8249@app.fastmail.com>
In-Reply-To: <aQhcZwv0PdwNc6RW@pks.im>

On Mon, Nov 3, 2025, at 2:40 AM, Patrick Steinhardt wrote:

Show 15 quoted lines

> On Thu, Oct 30, 2025 at 08:32:16PM +0000, Julia Evans via GitGitGadget wrote:
>> diff --git a/Documentation/gitdatamodel.adoc b/Documentation/gitdatamodel.adoc
>> new file mode 100644
>> index 0000000000..1cefbb4833
>> --- /dev/null
>> +++ b/Documentation/gitdatamodel.adoc
> [snip]
>> +2. Its *parent commit ID(s)*. The first commit in a repository has 0 parents,
>> +  regular commits have 1 parent, merge commits have 2 or more parents
>> +3. An *author* and the time the commit was authored
>> +4. A *committer* and the time the commit was committed.
>> +5. A *commit message*
>
> Nit: The punctuation is a bit inconsistent here, as some list items have
> a trailing dot while others don't.

Thanks, will fix.

Show 20 quoted lines

>> +[[references]]
>> +REFERENCES
>> +----------
>> +
>> +References are a way to give a name to a commit.
>> +It's easier to remember "the changes I'm working on are on the `turtle`
>> +branch" than "the changes are in commit bb69721404348e".
>> +Git often uses "ref" as shorthand for "reference".
>> +
>> +References can either refer to:
>> +
>> +1. An object ID, usually a <<commit,commit>> ID
>> +2. Another reference. This is called a "symbolic reference".
>
> Same here.
>
> Other than these two nits and Junio's comments I think this is in a good
> enough shape. Thanks for working on this!
>
> Patrick