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-rw-r--r--diff.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/diff.c b/diff.c
index 6e066d64a5..ccfa1fca0d 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"
@@ -372,7 +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;
@@ -426,10 +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);
@@ -437,9 +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;
}
@@ -473,9 +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;
}
@@ -490,6 +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"),