Files given on the command line are relative to $cwd

diff --git a/diff.c b/diff.c
index f281c5b82a623623f5840c19261155ede81e1301..342733ba7324b59f8cf1ec29f92a1dae43198913 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -131,10 +131,6 @@ static int parse_funcname_pattern(const char *var, const char *ep, const char *v
  */
 int git_diff_ui_config(const char *var, const char *value, void *cb)
 {
-       if (!strcmp(var, "diff.renamelimit")) {
-               diff_rename_limit_default = git_config_int(var, value);
-               return 0;
-       }
        if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
                diff_use_color_default = git_config_colorbool(var, value, -1);
                return 0;
@@ -153,12 +149,8 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
                diff_auto_refresh_index = git_config_bool(var, value);
                return 0;
        }
-       if (!strcmp(var, "diff.external")) {
-               if (!value)
-                       return config_error_nonbool(var);
-               external_diff_cmd_cfg = xstrdup(value);
-               return 0;
-       }
+       if (!strcmp(var, "diff.external"))
+               return git_config_string(&external_diff_cmd_cfg, var, value);
        if (!prefixcmp(var, "diff.")) {
                const char *ep = strrchr(var, '.');
 
@@ -171,6 +163,11 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
 
 int git_diff_basic_config(const char *var, const char *value, void *cb)
 {
+       if (!strcmp(var, "diff.renamelimit")) {
+               diff_rename_limit_default = git_config_int(var, value);
+               return 0;
+       }
+
        if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) {
                int slot = parse_diff_color_slot(var, 11);
                if (!value)
@@ -3360,9 +3357,8 @@ int diff_result_code(struct diff_options *opt, int status)
 void diff_addremove(struct diff_options *options,
                    int addremove, unsigned mode,
                    const unsigned char *sha1,
-                   const char *base, const char *path)
+                   const char *concatpath)
 {
-       char concatpath[PATH_MAX];
        struct diff_filespec *one, *two;
 
        if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(mode))
@@ -3384,9 +3380,6 @@ void diff_addremove(struct diff_options *options,
                addremove = (addremove == '+' ? '-' :
                             addremove == '-' ? '+' : addremove);
 
-       if (!path) path = "";
-       sprintf(concatpath, "%s%s", base, path);
-
        if (options->prefix &&
            strncmp(concatpath, options->prefix, options->prefix_length))
                return;
@@ -3407,9 +3400,8 @@ void diff_change(struct diff_options *options,
                 unsigned old_mode, unsigned new_mode,
                 const unsigned char *old_sha1,
                 const unsigned char *new_sha1,
-                const char *base, const char *path)
+                const char *concatpath)
 {
-       char concatpath[PATH_MAX];
        struct diff_filespec *one, *two;
 
        if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(old_mode)
@@ -3422,8 +3414,6 @@ void diff_change(struct diff_options *options,
                tmp = old_mode; old_mode = new_mode; new_mode = tmp;
                tmp_c = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_c;
        }
-       if (!path) path = "";
-       sprintf(concatpath, "%s%s", base, path);
 
        if (options->prefix &&
            strncmp(concatpath, options->prefix, options->prefix_length))