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Colorize 'commit' lines in log ui

When paging through the output of git-whatchanged, the color cues help to
visually navigate within a diff. However, it is difficult to notice when a
new commit starts, because the commit and log are shown in the "normal"
color. This patch colorizes the 'commit' line, customizable through
diff.colors.commit and defaulting to yellow.

As a side effect, some of the diff color engine (slot enum, get_color) has
become accessible outside of diff.c.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Jeff King 2006-07-23 05:24:18 -04:00 committed by Junio C Hamano
parent cbd64afbb3
commit ce43697379
3 changed files with 26 additions and 18 deletions

28
diff.c

@ -17,15 +17,6 @@ static int diff_detect_rename_default = 0;
static int diff_rename_limit_default = -1;
static int diff_use_color_default = 0;
enum color_diff {
DIFF_RESET = 0,
DIFF_PLAIN = 1,
DIFF_METAINFO = 2,
DIFF_FRAGINFO = 3,
DIFF_FILE_OLD = 4,
DIFF_FILE_NEW = 5,
};
/* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
static char diff_colors[][24] = {
"\033[m", /* reset */
@ -33,7 +24,8 @@ static char diff_colors[][24] = {
"\033[1m", /* bold */
"\033[36m", /* cyan */
"\033[31m", /* red */
"\033[32m" /* green */
"\033[32m", /* green */
"\033[33m" /* yellow */
};
static int parse_diff_color_slot(const char *var, int ofs)
@ -48,6 +40,8 @@ static int parse_diff_color_slot(const char *var, int ofs)
return DIFF_FILE_OLD;
if (!strcasecmp(var+ofs, "new"))
return DIFF_FILE_NEW;
if (!strcasecmp(var+ofs, "commit"))
return DIFF_COMMIT;
die("bad config variable '%s'", var);
}
@ -370,7 +364,7 @@ struct emit_callback {
const char **label_path;
};
static inline const char *get_color(int diff_use_color, enum color_diff ix)
const char *diff_get_color(int diff_use_color, enum color_diff ix)
{
if (diff_use_color)
return diff_colors[ix];
@ -381,8 +375,8 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
{
int i;
struct emit_callback *ecbdata = priv;
const char *set = get_color(ecbdata->color_diff, DIFF_METAINFO);
const char *reset = get_color(ecbdata->color_diff, DIFF_RESET);
const char *set = diff_get_color(ecbdata->color_diff, DIFF_METAINFO);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
if (ecbdata->label_path[0]) {
printf("%s--- %s%s\n", set, ecbdata->label_path[0], reset);
@ -397,7 +391,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
;
if (2 <= i && i < len && line[i] == ' ') {
ecbdata->nparents = i - 1;
set = get_color(ecbdata->color_diff, DIFF_FRAGINFO);
set = diff_get_color(ecbdata->color_diff, DIFF_FRAGINFO);
}
else if (len < ecbdata->nparents)
set = reset;
@ -410,7 +404,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
else if (line[i] == '+')
color = DIFF_FILE_NEW;
}
set = get_color(ecbdata->color_diff, color);
set = diff_get_color(ecbdata->color_diff, color);
}
if (len > 0 && line[len-1] == '\n')
len--;
@ -767,8 +761,8 @@ static void builtin_diff(const char *name_a,
mmfile_t mf1, mf2;
const char *lbl[2];
char *a_one, *b_two;
const char *set = get_color(o->color_diff, DIFF_METAINFO);
const char *reset = get_color(o->color_diff, DIFF_RESET);
const char *set = diff_get_color(o->color_diff, DIFF_METAINFO);
const char *reset = diff_get_color(o->color_diff, DIFF_RESET);
a_one = quote_two("a/", name_a);
b_two = quote_two("b/", name_b);

11
diff.h

@ -69,6 +69,17 @@ struct diff_options {
add_remove_fn_t add_remove;
};
enum color_diff {
DIFF_RESET = 0,
DIFF_PLAIN = 1,
DIFF_METAINFO = 2,
DIFF_FRAGINFO = 3,
DIFF_FILE_OLD = 4,
DIFF_FILE_NEW = 5,
DIFF_COMMIT = 6,
};
const char *diff_get_color(int diff_use_color, enum color_diff ix);
extern const char mime_boundary_leader[];
extern void diff_tree_setup_paths(const char **paths, struct diff_options *);

@ -129,7 +129,8 @@ void show_log(struct rev_info *opt, const char *sep)
opt->diffopt.stat_sep = buffer;
}
} else {
printf("%s%s",
printf("%s%s%s",
diff_get_color(opt->diffopt.color_diff, DIFF_COMMIT),
opt->commit_format == CMIT_FMT_ONELINE ? "" : "commit ",
diff_unique_abbrev(commit->object.sha1, abbrev_commit));
if (opt->parents)
@ -139,6 +140,8 @@ void show_log(struct rev_info *opt, const char *sep)
diff_unique_abbrev(parent->object.sha1,
abbrev_commit));
putchar(opt->commit_format == CMIT_FMT_ONELINE ? ' ' : '\n');
printf("%s",
diff_get_color(opt->diffopt.color_diff, DIFF_RESET));
}
/*