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Re: [PATCH 5/5] builtin/config: introduce `color` type specifier

From
Junio C Hamano <gitster@pobox.com>
Date
Apr 26, 2018, 05:32 UTC
Message-ID
<xmqq36zi352x.fsf@gitster-ct.c.googlers.com>
In-Reply-To
<17188b9f3250e4d3547f81b4aaf70a209941b1b5.1524716420.git.me@ttaylorr.com>
Taylor Blau <me@ttaylorr.com> writes:
Show 45 quoted lines
> diff --git a/builtin/config.c b/builtin/config.c
> index d7acf912cd..ec5c11293b 100644
> --- a/builtin/config.c
> +++ b/builtin/config.c
> @@ -61,6 +61,7 @@ static int show_origin;
>  #define TYPE_BOOL_OR_INT	3
>  #define TYPE_PATH		4
>  #define TYPE_EXPIRY_DATE	5
> +#define TYPE_COLOR		6
>  
>  #define OPT_CALLBACK_VALUE(s, l, v, h, i) \
>  	{ OPTION_CALLBACK, (s), (l), (v), NULL, (h), PARSE_OPT_NOARG | \
> @@ -231,6 +232,11 @@ static int format_config(struct strbuf *buf, const char *key_, const char *value
>  			if (git_config_expiry_date(&t, key_, value_) < 0)
>  				return -1;
>  			strbuf_addf(buf, "%"PRItime, t);
> +		} else if (type == TYPE_COLOR) {
> +			char v[COLOR_MAXLEN];
> +			if (git_config_color(v, key_, value_) < 0)
> +				return -1;
> +			strbuf_addstr(buf, v);
>  		} else if (value_) {
>  			strbuf_addstr(buf, value_);
>  		} else {
> @@ -376,6 +382,20 @@ static char *normalize_value(const char *key, const char *value)
>  		else
>  			return xstrdup(v ? "true" : "false");
>  	}
> +	if (type == TYPE_COLOR) {
> +		char v[COLOR_MAXLEN];
> +		if (git_config_color(v, key, value))
> +			die("cannot parse color '%s'", value);
> +
> +		/*
> +		 * The contents of `v` now contain an ANSI escape
> +		 * sequence, not suitable for including within a
> +		 * configuration file. Treat the above as a
> +		 * "sanity-check", and return the given value, which we
> +		 * know is representable as valid color code.
> +		 */
> +		return xstrdup(value);
> +	}
>  
>  	die("BUG: cannot normalize type %d", type);
>  }

Hmmm, option_parse_type() introduced in [PATCH 2/5] used to learn to parse "color" in this step, but it no longer does.

Here is the difference between what has been queued and the result of applying these latest patches I found.

diff --git a/builtin/config.c b/builtin/config.c
index 69e7270356..ec5c11293b 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -72,7 +72,8 @@ static struct option builtin_config_options[];
 static int option_parse_type(const struct option *opt, const char *arg,
 			     int unset)
 {
-	int new_type, *to_type;
+	int new_type;
+	int *to_type;
 
 	if (unset) {
 		*((int *) opt->value) = 0;
@@ -95,13 +96,11 @@ static int option_parse_type(const struct option *opt, const char *arg,
 			new_type = TYPE_PATH;
 		else if (!strcmp(arg, "expiry-date"))
 			new_type = TYPE_EXPIRY_DATE;
-		else if (!strcmp(arg, "color"))
-			new_type = TYPE_COLOR;
 		else
 			die(_("unrecognized --type argument, %s"), arg);
 	}
 
-	to_type = opt->value;
+	*to_type = opt->value;
 	if (*to_type && *to_type != new_type) {
 		/*
 		 * Complain when there is a new type not equal to the old type.
Previous: Taylor BlauNext: Taylor Blau
Message 10 of 20 in “builtin/config.c: combined series '--type', '--default'”
  1. 0/5 builtin/config.c: combined series '--type', '--default'Taylor Blau, Apr 26, 2018
  2. 1/5 builtin/config.c: treat type specifiers singularlyTaylor Blau, Apr 26, 2018
  3. 2/5 builtin/config.c: support `--type=<type>` as preferred alias for `--type`Taylor Blau, Apr 26, 2018
  4. Junio C HamanoApr 26, 2018
  5. Taylor BlauApr 26, 2018
  6. Eric SunshineApr 27, 2018
  7. 3/5 builtin/config: introduce `--default`Taylor Blau, Apr 26, 2018
  8. 4/5 config.c: introduce 'git_config_color' to parse ANSI colorsTaylor Blau, Apr 26, 2018
  9. 5/5 builtin/config: introduce `color` type specifierTaylor Blau, Apr 26, 2018
  10. Junio C HamanoApr 26, 2018
  11. Taylor BlauApr 26, 2018
  12. 0/5 builtin/config.c: combined series '--type', '--default'Taylor Blau, Apr 26, 2018
  13. 1/5 builtin/config.c: treat type specifiers singularlyTaylor Blau, Apr 26, 2018
  14. 2/5 builtin/config.c: support `--type=<type>` as preferred alias for `--<type>`Taylor Blau, Apr 26, 2018
  15. Junio C HamanoApr 26, 2018
  16. Eric SunshineApr 27, 2018
  17. 3/5 builtin/config: introduce `--default`Taylor Blau, Apr 26, 2018
  18. 4/5 config.c: introduce 'git_config_color' to parse ANSI colorsTaylor Blau, Apr 26, 2018
  19. 5/5 builtin/config: introduce `color` type specifierTaylor Blau, Apr 26, 2018
  20. Eric SunshineApr 27, 2018

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