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-rw-r--r--diff.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/diff.c b/diff.c
index ded9ac70df..e70301df76 100644
--- a/diff.c
+++ b/diff.c
@@ -56,14 +56,14 @@ static int diff_color_moved_default;
static int diff_color_moved_ws_default;
static int diff_context_default = 3;
static int diff_interhunk_context_default;
-static const char *diff_word_regex_cfg;
-static const char *external_diff_cmd_cfg;
-static const char *diff_order_file_cfg;
+static char *diff_word_regex_cfg;
+static char *external_diff_cmd_cfg;
+static 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 char *diff_src_prefix;
+static char *diff_dst_prefix;
static int diff_relative;
static int diff_stat_name_width;
static int diff_stat_graph_width;
@@ -411,9 +411,11 @@ int git_diff_ui_config(const char *var, const char *value,
return 0;
}
if (!strcmp(var, "diff.srcprefix")) {
+ FREE_AND_NULL(diff_src_prefix);
return git_config_string(&diff_src_prefix, var, value);
}
if (!strcmp(var, "diff.dstprefix")) {
+ FREE_AND_NULL(diff_dst_prefix);
return git_config_string(&diff_dst_prefix, var, value);
}
if (!strcmp(var, "diff.relative")) {
@@ -3433,8 +3435,8 @@ void diff_set_noprefix(struct diff_options *options)
void diff_set_default_prefix(struct diff_options *options)
{
- options->a_prefix = diff_src_prefix;
- options->b_prefix = diff_dst_prefix;
+ options->a_prefix = diff_src_prefix ? diff_src_prefix : "a/";
+ options->b_prefix = diff_dst_prefix ? diff_dst_prefix : "b/";
}
struct userdiff_driver *get_textconv(struct repository *r,
@@ -5371,8 +5373,8 @@ 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/";
+ FREE_AND_NULL(diff_src_prefix);
+ FREE_AND_NULL(diff_dst_prefix);
diff_set_default_prefix(options);
return 0;
}