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-rw-r--r--diff.c52
1 files changed, 39 insertions, 13 deletions
diff --git a/diff.c b/diff.c
index 2c602df..108c187 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"
@@ -64,6 +62,8 @@ static const char *diff_order_file_cfg;
int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
static int diff_no_prefix;
+static const char *diff_src_prefix = "a/";
+static const char *diff_dst_prefix = "b/";
static int diff_relative;
static int diff_stat_name_width;
static int diff_stat_graph_width;
@@ -372,7 +372,10 @@ 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;
@@ -407,6 +410,12 @@ int git_diff_ui_config(const char *var, const char *value,
diff_no_prefix = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.srcprefix")) {
+ return git_config_string(&diff_src_prefix, var, value);
+ }
+ if (!strcmp(var, "diff.dstprefix")) {
+ return git_config_string(&diff_dst_prefix, var, value);
+ }
if (!strcmp(var, "diff.relative")) {
diff_relative = git_config_bool(var, value);
return 0;
@@ -426,10 +435,15 @@ 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);
@@ -437,9 +451,12 @@ 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;
}
@@ -473,9 +490,13 @@ 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;
}
@@ -490,6 +511,8 @@ 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"),
@@ -3410,8 +3433,8 @@ void diff_set_noprefix(struct diff_options *options)
void diff_set_default_prefix(struct diff_options *options)
{
- options->a_prefix = "a/";
- options->b_prefix = "b/";
+ options->a_prefix = diff_src_prefix;
+ options->b_prefix = diff_dst_prefix;
}
struct userdiff_driver *get_textconv(struct repository *r,
@@ -4369,7 +4392,8 @@ 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);
}
}
@@ -5346,6 +5370,8 @@ static int diff_opt_default_prefix(const struct option *opt,
BUG_ON_OPT_NEG(unset);
BUG_ON_OPT_ARG(optarg);
+ diff_src_prefix = "a/";
+ diff_dst_prefix = "b/";
diff_set_default_prefix(options);
return 0;
}
@@ -5574,7 +5600,7 @@ 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),
@@ -5582,8 +5608,8 @@ 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,