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-rw-r--r--diff.c102
1 files changed, 70 insertions, 32 deletions
diff --git a/diff.c b/diff.c
index ee3eb629e3..e50def4538 100644
--- a/diff.c
+++ b/diff.c
@@ -16,12 +16,10 @@
#include "hex.h"
#include "xdiff-interface.h"
#include "color.h"
-#include "attr.h"
#include "run-command.h"
#include "utf8.h"
#include "object-store-ll.h"
#include "userdiff.h"
-#include "submodule-config.h"
#include "submodule.h"
#include "hashmap.h"
#include "mem-pool.h"
@@ -65,6 +63,7 @@ int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
static int diff_no_prefix;
static int diff_relative;
+static int diff_stat_name_width;
static int diff_stat_graph_width;
static int diff_dirstat_permille_default = 30;
static struct diff_options default_diff_options;
@@ -371,7 +370,10 @@ int git_diff_ui_config(const char *var, const char *value,
return 0;
}
if (!strcmp(var, "diff.colormovedws")) {
- unsigned cm = parse_color_moved_ws(value);
+ unsigned cm;
+ if (!value)
+ return config_error_nonbool(var);
+ cm = parse_color_moved_ws(value);
if (cm & COLOR_MOVED_WS_ERROR)
return -1;
diff_color_moved_ws_default = cm;
@@ -410,6 +412,10 @@ int git_diff_ui_config(const char *var, const char *value,
diff_relative = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.statnamewidth")) {
+ diff_stat_name_width = git_config_int(var, value, ctx->kvi);
+ return 0;
+ }
if (!strcmp(var, "diff.statgraphwidth")) {
diff_stat_graph_width = git_config_int(var, value, ctx->kvi);
return 0;
@@ -421,10 +427,15 @@ int git_diff_ui_config(const char *var, const char *value,
if (!strcmp(var, "diff.orderfile"))
return git_config_pathname(&diff_order_file_cfg, var, value);
- if (!strcmp(var, "diff.ignoresubmodules"))
+ if (!strcmp(var, "diff.ignoresubmodules")) {
+ if (!value)
+ return config_error_nonbool(var);
handle_ignore_submodules_arg(&default_diff_options, value);
+ }
if (!strcmp(var, "diff.submodule")) {
+ if (!value)
+ return config_error_nonbool(var);
if (parse_submodule_params(&default_diff_options, value))
warning(_("Unknown value for 'diff.submodule' config variable: '%s'"),
value);
@@ -432,9 +443,12 @@ int git_diff_ui_config(const char *var, const char *value,
}
if (!strcmp(var, "diff.algorithm")) {
+ if (!value)
+ return config_error_nonbool(var);
diff_algorithm = parse_algorithm_value(value);
if (diff_algorithm < 0)
- return -1;
+ return error(_("unknown value for config '%s': %s"),
+ var, value);
return 0;
}
@@ -468,9 +482,13 @@ int git_diff_basic_config(const char *var, const char *value,
}
if (!strcmp(var, "diff.wserrorhighlight")) {
- int val = parse_ws_error_highlight(value);
+ int val;
+ if (!value)
+ return config_error_nonbool(var);
+ val = parse_ws_error_highlight(value);
if (val < 0)
- return -1;
+ return error(_("unknown value for config '%s': %s"),
+ var, value);
ws_error_highlight_default = val;
return 0;
}
@@ -485,6 +503,8 @@ int git_diff_basic_config(const char *var, const char *value,
if (!strcmp(var, "diff.dirstat")) {
struct strbuf errmsg = STRBUF_INIT;
+ if (!value)
+ return config_error_nonbool(var);
default_diff_options.dirstat_permille = diff_dirstat_permille_default;
if (parse_dirstat_params(&default_diff_options, value, &errmsg))
warning(_("Found errors in 'diff.dirstat' config variable:\n%s"),
@@ -2704,12 +2724,14 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
number_width = decimal_width(max_change) > number_width ?
decimal_width(max_change) : number_width;
+ if (options->stat_name_width == -1)
+ options->stat_name_width = diff_stat_name_width;
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
+ * Guarantee 3/8*16 == 6 for the graph part
+ * and 5/8*16 == 10 for the filename part
*/
if (width < 16 + 6 + number_width)
width = 16 + 6 + number_width;
@@ -3563,18 +3585,21 @@ static void builtin_diff(const char *name_a,
strbuf_addf(&header, "%s%snew file mode %06o%s\n", line_prefix, meta, two->mode, reset);
if (xfrm_msg)
strbuf_addstr(&header, xfrm_msg);
+ o->found_changes = 1;
must_show_header = 1;
}
else if (lbl[1][0] == '/') {
strbuf_addf(&header, "%s%sdeleted file mode %06o%s\n", line_prefix, meta, one->mode, reset);
if (xfrm_msg)
strbuf_addstr(&header, xfrm_msg);
+ o->found_changes = 1;
must_show_header = 1;
}
else {
if (one->mode != two->mode) {
strbuf_addf(&header, "%s%sold mode %06o%s\n", line_prefix, meta, one->mode, reset);
strbuf_addf(&header, "%s%snew mode %06o%s\n", line_prefix, meta, two->mode, reset);
+ o->found_changes = 1;
must_show_header = 1;
}
if (xfrm_msg)
@@ -4359,7 +4384,8 @@ static void run_external_diff(const char *pgm,
add_external_diff_name(o->repo, &cmd.args, two);
if (other) {
strvec_push(&cmd.args, other);
- strvec_push(&cmd.args, xfrm_msg);
+ if (xfrm_msg)
+ strvec_push(&cmd.args, xfrm_msg);
}
}
@@ -4832,6 +4858,10 @@ void diff_setup_done(struct diff_options *options)
else
options->prefix_length = 0;
+ /*
+ * --name-only, --name-status, --checkdiff, and -s
+ * turn other output format off.
+ */
if (options->output_format & (DIFF_FORMAT_NAME |
DIFF_FORMAT_NAME_STATUS |
DIFF_FORMAT_CHECKDIFF |
@@ -5560,7 +5590,7 @@ struct option *add_diff_options(const struct option *opts,
OPT_BITOP(0, "shortstat", &options->output_format,
N_("output only the last line of --stat"),
DIFF_FORMAT_SHORTSTAT, DIFF_FORMAT_NO_OUTPUT),
- OPT_CALLBACK_F('X', "dirstat", options, N_("<param1,param2>..."),
+ OPT_CALLBACK_F('X', "dirstat", options, N_("<param1>,<param2>..."),
N_("output the distribution of relative amount of changes for each sub-directory"),
PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
diff_opt_dirstat),
@@ -5568,8 +5598,8 @@ struct option *add_diff_options(const struct option *opts,
N_("synonym for --dirstat=cumulative"),
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
diff_opt_dirstat),
- OPT_CALLBACK_F(0, "dirstat-by-file", options, N_("<param1,param2>..."),
- N_("synonym for --dirstat=files,param1,param2..."),
+ OPT_CALLBACK_F(0, "dirstat-by-file", options, N_("<param1>,<param2>..."),
+ N_("synonym for --dirstat=files,<param1>,<param2>..."),
PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
diff_opt_dirstat),
OPT_BIT_F(0, "check", &options->output_format,
@@ -6206,6 +6236,8 @@ static void flush_one_pair(struct diff_filepair *p, struct diff_options *opt)
fprintf(opt->file, "%s", diff_line_prefix(opt));
write_name_quoted(name_a, opt->file, opt->line_termination);
}
+
+ opt->found_changes = 1;
}
static void show_file_mode_name(struct diff_options *opt, const char *newdelete, struct diff_filespec *fs)
@@ -6684,6 +6716,21 @@ void diff_flush(struct diff_options *options)
separator++;
}
+ if (output_format & DIFF_FORMAT_PATCH) {
+ if (separator) {
+ emit_diff_symbol(options, DIFF_SYMBOL_SEPARATOR, NULL, 0, 0);
+ if (options->stat_sep)
+ /* attach patch instead of inline */
+ emit_diff_symbol(options, DIFF_SYMBOL_STAT_SEP,
+ NULL, 0, 0);
+ }
+
+ diff_flush_patch_all_file_pairs(options);
+ }
+
+ if (output_format & DIFF_FORMAT_CALLBACK)
+ options->format_callback(q, options, options->format_callback_data);
+
if (output_format & DIFF_FORMAT_NO_OUTPUT &&
options->flags.exit_with_status &&
options->flags.diff_from_contents) {
@@ -6705,21 +6752,6 @@ void diff_flush(struct diff_options *options)
}
}
- if (output_format & DIFF_FORMAT_PATCH) {
- if (separator) {
- emit_diff_symbol(options, DIFF_SYMBOL_SEPARATOR, NULL, 0, 0);
- if (options->stat_sep)
- /* attach patch instead of inline */
- emit_diff_symbol(options, DIFF_SYMBOL_STAT_SEP,
- NULL, 0, 0);
- }
-
- diff_flush_patch_all_file_pairs(options);
- }
-
- if (output_format & DIFF_FORMAT_CALLBACK)
- options->format_callback(q, options, options->format_callback_data);
-
free_queue:
diff_free_queue(q);
DIFF_QUEUE_CLEAR(q);
@@ -6920,6 +6952,13 @@ void diff_queued_diff_prefetch(void *repository)
oid_array_clear(&to_fetch);
}
+void init_diffstat_widths(struct diff_options *options)
+{
+ options->stat_width = -1; /* use full terminal width */
+ options->stat_name_width = -1; /* respect diff.statNameWidth config */
+ options->stat_graph_width = -1; /* respect diff.statGraphWidth config */
+}
+
void diffcore_std(struct diff_options *options)
{
int output_formats_to_prefetch = DIFF_FORMAT_DIFFSTAT |
@@ -6973,16 +7012,14 @@ void diffcore_std(struct diff_options *options)
options->found_follow = 0;
}
-int diff_result_code(struct diff_options *opt, int status)
+int diff_result_code(struct diff_options *opt)
{
int result = 0;
diff_warn_rename_limit("diff.renameLimit",
opt->needed_rename_limit,
opt->degraded_cc_to_c);
- if (!opt->flags.exit_with_status &&
- !(opt->output_format & DIFF_FORMAT_CHECKDIFF))
- return status;
+
if (opt->flags.exit_with_status &&
opt->flags.has_changes)
result |= 01;
@@ -7029,6 +7066,7 @@ void compute_diffstat(struct diff_options *options,
if (check_pair_status(p))
diff_flush_stat(p, options, diffstat);
}
+ options->found_changes = !!diffstat->nr;
}
void diff_addremove(struct diff_options *options,