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color: use GIT_COLOR_* instead of numeric constants

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Long ago Git's decision to show color for a subsytem was stored in a
tri-state variable: it could be true (1), false (0), or unknown (-1).
But since daa0c3d971 (color: delay auto-color decision until point of
use, 2011-08-17) we want to carry around a new state, "auto", which
bases the decision on the tty-ness of stdout (rather than collapsing
that "auto" state to a true/false immediately).

That commit introduced a set of GIT_COLOR_* defines to represent each
state: UNKNOWN, ALWAYS, NEVER, and AUTO. But it only used the AUTO
value, and left alone code using bare 0/1/-1 values. And of course since
then we've grown many new spots that use those bare values.

Let's switch all of these to use the named constants. That should make
the code a bit easier to read, as it is more obvious that we're
representing a color decision.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2025-09-16 16:13:28 -04:00
committed by Junio C Hamano
parent e335ff31f7
commit 3c3e9b8303
21 changed files with 42 additions and 40 deletions
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6
wt-status.c
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@@ -148,7 +148,7 @@ void wt_status_prepare(struct repository *r, struct wt_status *s)
memcpy(s->color_palette, default_wt_status_colors,
sizeof(default_wt_status_colors));
s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
s->use_color = -1;
s->use_color = GIT_COLOR_UNKNOWN;
s->relative_paths = 1;
s->branch = refs_resolve_refdup(get_main_ref_store(the_repository),
"HEAD", 0, NULL, NULL);
@@ -1164,7 +1164,7 @@ static void wt_longstatus_print_verbose(struct wt_status *s)
* before.
*/
if (s->fp != stdout) {
rev.diffopt.use_color = 0;
rev.diffopt.use_color = GIT_COLOR_NEVER;
wt_status_add_cut_line(s);
}
if (s->verbose > 1 && s->committable) {
@@ -2164,7 +2164,7 @@ static void wt_shortstatus_print(struct wt_status *s)
static void wt_porcelain_print(struct wt_status *s)
{
s->use_color = 0;
s->use_color = GIT_COLOR_NEVER;
s->relative_paths = 0;
s->prefix = NULL;
s->no_gettext = 1;