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@xxxxxxxxx>
---
Documentation/diff-config.txt | 4 ++++
Documentation/diff-options.txt | 16 +++++++++-------
builtin/diff.c | 3 ++-
builtin/log.c | 1 +
builtin/merge.c | 1 +
contrib/completion/git-completion.bash | 1 +
diff.c | 8 ++++++++
t/t4052-stat-output.sh | 6 ++++++
8 files changed, 32 insertions(+), 8 deletions(-)
diff --git a/Documentation/diff-config.txt b/Documentation/diff-config.txt
index 1aed79e..6aa1be0 100644
--- a/Documentation/diff-config.txt
+++ b/Documentation/diff-config.txt
@@ -52,6 +52,10 @@ directories with less than 10% of the total amount of changed files,
and accumulating child directory counts in the parent directories:
`files,10,cumulative`.
+diff.statGraphWidth::
+ Limit the width of the graph part in --stat output. If set, applies
+ to all commands generating --stat outuput except format-patch.
+
diff.external::
If this config variable is set, diff generation is not
performed using the internal diff machinery, but using the
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index d34efd5..87f0a5f 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -54,13 +54,15 @@ endif::git-format-patch[]
--stat[=<width>[,<name-width>[,<count>]]]::
Generate a diffstat. By default, as much space as necessary
- will be used for the filename part, and the rest for
- the graph part. Maximum width defaults to terminal width,
- or 80 columns if not connected to a terminal, and can be
- overriden by `<width>`. The width of the filename part can be
- limited by giving another width `<name-width>` after a comma.
- The width of the graph part can be limited by using
- `--stat-graph-width=<width>`.
+ will be used for the filename part, and the rest for the graph
+ part. Maximum width defaults to terminal width, or 80 columns
+ if not connected to a terminal, and can be overriden by
+ `<width>`. The width of the filename part can be limited by
+ giving another width `<name-width>` after a comma. The width
+ of the graph part can be limited by using
+ `--stat-graph-width=<width>` (affects all commands generating
+ a stat graph) or by setting `diff.statGraphWidth=<width>`
+ (does not affect `git format-patch`).
By giving a third parameter `<count>`, you can limit the
output to the first `<count>` lines, followed by `...` if
there are more.
diff --git a/builtin/diff.c b/builtin/diff.c
index 81b6bae..424c815 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -285,8 +285,9 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
/* Otherwise, we are doing the usual "git" diff */
rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index;
- /* Scale to real terminal size */
+ /* Scale to real terminal size and respect statGraphWidth config */
rev.diffopt.stat_width = -1;
+ rev.diffopt.stat_graph_width = -1;
/* Default to let external and textconv be used */
DIFF_OPT_SET(&rev.diffopt, ALLOW_EXTERNAL);
diff --git a/builtin/log.c b/builtin/log.c
index 075a427..8a47012 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -78,6 +78,7 @@ static void cmd_log_init_defaults(struct rev_info *rev)
rev->verbose_header = 1;
DIFF_OPT_SET(&rev->diffopt, RECURSIVE);
rev->diffopt.stat_width = -1; /* use full terminal width */
+ rev->diffopt.stat_graph_width = -1; /* respect statGraphWidth config */
rev->abbrev_commit = default_abbrev_commit;
rev->show_root_diff = default_show_root;
rev->subject_prefix = fmt_patch_subject_prefix;
diff --git a/builtin/merge.c b/builtin/merge.c
index 7b368e7..24843ec 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -400,6 +400,7 @@ static void finish(struct commit *head_commit,
struct diff_options opts;
diff_setup(&opts);
opts.stat_width = -1; /* use full terminal width */
+ opts.stat_graph_width = -1; /* respect statGraphWidth config */
opts.output_format |=
DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
opts.detect_rename = DIFF_DETECT_RENAME;
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 554e30e..3be9077 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2091,6 +2091,7 @@ _git_config ()
core.whitespace
core.worktree
diff.autorefreshindex
+ diff.statGraphWidth
diff.external
diff.ignoreSubmodules
diff.mnemonicprefix
diff --git a/diff.c b/diff.c
index 9012c09..f47bffa 100644
--- a/diff.c
+++ b/diff.c
@@ -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"))
@@ -1444,6 +1449,9 @@ 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
diff --git a/t/t4052-stat-output.sh b/t/t4052-stat-output.sh
index e606202..0bdeab7 100755
--- a/t/t4052-stat-output.sh
+++ b/t/t4052-stat-output.sh
@@ -110,6 +110,12 @@ do
grep " | " output >actual &&
test_cmp "$expect" actual
'
+
+ test_expect_success "$cmd $verb statGraphWidth config" '
+ git -c diff.statGraphWidth=26 $cmd $args >output
+ grep " | " output >actual &&
+ test_cmp "$expect" actual
+ '
done <<\EOF
ignores expect80 format-patch -1 --stdout
respects expect40 diff HEAD^ HEAD --stat
--
1.7.9.2.332.g05f13
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