Re: [GSoC PATCH v7 5/5] repo: add the --format flag

[Patrick Steinhardt <ps@pks.im>]

On Fri, Aug 01, 2025 at 10:11:10AM -0300, Lucas Seiki Oshiro wrote:
> diff --git a/Documentation/git-repo.adoc b/Documentation/git-repo.adoc
> index 140ee3a0aa..b735cf4737 100644
> --- a/Documentation/git-repo.adoc
> +++ b/Documentation/git-repo.adoc
> @@ -18,12 +18,23 @@ THIS COMMAND IS EXPERIMENTAL. THE BEHAVIOR MAY CHANGE.
>  
>  COMMANDS
>  --------
> -`info [<key>...]`::
> +`info [--format=<keyvalue|nul>] [<key>...]`::
>  	Retrieve metadata-related information about the current repository. Only
>  	the requested data will be returned based on their keys (see "INFO KEYS"
>  	section below).
>  +
>  The returned data is lexicographically sorted by the keys.
> ++
> +The output format can be chosen through the flag `--format`. Two formats are
> +supported:
> ++
> +* `keyvalue`: output key-value pairs one per line using the `=` character as
> +the delimiter between the key and the value. This is the default.

Let's also mention that the value will be C-quoted.

> +* `nul`: similar to `keyvalue`, but using a newline character as the delimiter
> +between the key and the value and using a null character after each value.
> +This format is better suited for being parsed by another applications than
> +`keyvalue`.

And here we can then explicitly say that it's not quoted.

> diff --git a/builtin/repo.c b/builtin/repo.c
> index 56c3a4027f..4015cf88b7 100644
> --- a/builtin/repo.c
> +++ b/builtin/repo.c
> @@ -74,18 +79,33 @@ static int qsort_strcmp(const void *va, const void *vb)
>  	return strcmp(a, b);
>  }
>  
> -static int print_fields(int argc, const char **argv, struct repository *repo)
> +static int print_fields(int argc, const char **argv,
> +			struct repository *repo,
> +			enum output_format format)
>  {
>  	int ret = 0;
>  	const char *last = "";
>  	struct strbuf sb = STRBUF_INIT;
>  
> +	char kv_sep;
> +	char field_sep;

Nit: we don't usually have newlines between variable declarations.

Patrick