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diff --stat: add config option to limit graph width

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Config option diff.statGraphWidth=<width> is equivalent to
--stat-graph-width=<width>, except that the config option is ignored
by format-patch.

For the graph-width limiting to be usable, it should happen
'automatically' once configured, hence the config option.
Nevertheless, graph width limiting only makes sense when used on a
wide terminal, so it should not influence the output of format-patch,
which adheres to the 80-column standard.

Signed-off-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2012-03-01 13:26:46 +01:00
committed by Junio C Hamano
parent 969fe57b84
commit df44483a5d
8 changed files with 32 additions and 8 deletions
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8
diff.c
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@ -31,6 +31,7 @@ static const char *external_diff_cmd_cfg;
int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
static int diff_no_prefix;
static int diff_stat_graph_width;
static int diff_dirstat_permille_default = 30;
static struct diff_options default_diff_options;
@ -156,6 +157,10 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
diff_no_prefix = git_config_bool(var, value);
return 0;
}
if (!strcmp(var, "diff.statgraphwidth")) {
diff_stat_graph_width = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "diff.external"))
return git_config_string(&external_diff_cmd_cfg, var, value);
if (!strcmp(var, "diff.wordregex"))
@ -1398,6 +1403,9 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
else
width = options->stat_width ? options->stat_width : 80;
if (options->stat_graph_width == -1)
options->stat_graph_width = diff_stat_graph_width;
/*
* Guarantee 3/8*16==6 for the graph part
* and 5/8*16==10 for the filename part