Log ref changes made by git-merge and git-pull.
[gitweb.git] / diff.c
diff --git a/diff.c b/diff.c
index 3e26180f08204df2e7519e4613aa6e3e844e21b2..287a927ce3131fd3a5c9151e5ea1e560842767a1 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -13,6 +13,7 @@
 
 static int use_size_cache;
 
+static int diff_detect_rename_default = 0;
 static int diff_rename_limit_default = -1;
 static int diff_use_color_default = 0;
 
@@ -43,12 +44,12 @@ enum color_diff {
 #define COLOR_WHITE   "\033[37m"
 
 static const char *diff_colors[] = {
-       [DIFF_RESET]    = COLOR_RESET,
-       [DIFF_PLAIN]    = COLOR_NORMAL,
-       [DIFF_METAINFO] = COLOR_BOLD,
-       [DIFF_FRAGINFO] = COLOR_CYAN,
-       [DIFF_FILE_OLD] = COLOR_RED,
-       [DIFF_FILE_NEW] = COLOR_GREEN,
+       COLOR_RESET,
+       COLOR_NORMAL,
+       COLOR_BOLD,
+       COLOR_CYAN,
+       COLOR_RED,
+       COLOR_GREEN
 };
 
 static int parse_diff_color_slot(const char *var, int ofs)
@@ -101,7 +102,13 @@ static const char *parse_diff_color_value(const char *value, const char *var)
        die("bad config value '%s' for variable '%s'", value, var);
 }
 
-int git_diff_config(const char *var, const char *value)
+/*
+ * These are to give UI layer defaults.
+ * The core-level commands such as git-diff-files should
+ * never be affected by the setting of diff.renames
+ * the user happens to have in the configuration file.
+ */
+int git_diff_ui_config(const char *var, const char *value)
 {
        if (!strcmp(var, "diff.renamelimit")) {
                diff_rename_limit_default = git_config_int(var, value);
@@ -112,7 +119,7 @@ int git_diff_config(const char *var, const char *value)
                        diff_use_color_default = 1; /* bool */
                else if (!strcasecmp(value, "auto")) {
                        diff_use_color_default = 0;
-                       if (isatty(1)) {
+                       if (isatty(1) || pager_in_use) {
                                char *term = getenv("TERM");
                                if (term && strcmp(term, "dumb"))
                                        diff_use_color_default = 1;
@@ -126,6 +133,16 @@ int git_diff_config(const char *var, const char *value)
                        diff_use_color_default = git_config_bool(var, value);
                return 0;
        }
+       if (!strcmp(var, "diff.renames")) {
+               if (!value)
+                       diff_detect_rename_default = DIFF_DETECT_RENAME;
+               else if (!strcasecmp(value, "copies") ||
+                        !strcasecmp(value, "copy"))
+                       diff_detect_rename_default = DIFF_DETECT_COPY;
+               else if (git_config_bool(var,value))
+                       diff_detect_rename_default = DIFF_DETECT_RENAME;
+               return 0;
+       }
        if (!strncmp(var, "diff.color.", 11)) {
                int slot = parse_diff_color_slot(var, 11);
                diff_colors[slot] = parse_diff_color_value(value, var);
@@ -1437,6 +1454,7 @@ void diff_setup(struct diff_options *options)
        options->change = diff_change;
        options->add_remove = diff_addremove;
        options->color_diff = diff_use_color_default;
+       options->detect_rename = diff_detect_rename_default;
 }
 
 int diff_setup_done(struct diff_options *options)
@@ -1619,10 +1637,14 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
        }
        else if (!strcmp(arg, "--color"))
                options->color_diff = 1;
+       else if (!strcmp(arg, "--no-color"))
+               options->color_diff = 0;
        else if (!strcmp(arg, "-w") || !strcmp(arg, "--ignore-all-space"))
                options->xdl_opts |= XDF_IGNORE_WHITESPACE;
        else if (!strcmp(arg, "-b") || !strcmp(arg, "--ignore-space-change"))
                options->xdl_opts |= XDF_IGNORE_WHITESPACE_CHANGE;
+       else if (!strcmp(arg, "--no-renames"))
+               options->detect_rename = 0;
        else
                return 0;
        return 1;