Add config variable for specifying default --dirstat behavior

diff --git a/diff.c b/diff.c
index 3b0cda43f16ccf844b711e10f487b1763f0f88ab..c78f7d5218def3d0546b636069107bc349d2c884 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -31,6 +31,7 @@ static const char *external_diff_cmd_cfg;
 int diff_auto_refresh_index = 1;
 static int diff_mnemonic_prefix;
 static int diff_no_prefix;
+static int diff_dirstat_percent_default = 3;
 static struct diff_options default_diff_options;
 
 static char diff_colors[][COLOR_MAXLEN] = {
@@ -180,6 +181,13 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
                return 0;
        }
 
+       if (!strcmp(var, "diff.dirstat")) {
+               default_diff_options.dirstat_percent = diff_dirstat_percent_default;
+               (void) parse_dirstat_params(&default_diff_options, value);
+               diff_dirstat_percent_default = default_diff_options.dirstat_percent;
+               return 0;
+       }
+
        if (!prefixcmp(var, "submodule."))
                return parse_submodule_config_option(var, value);
 
@@ -2926,7 +2934,7 @@ void diff_setup(struct diff_options *options)
        options->line_termination = '\n';
        options->break_opt = -1;
        options->rename_limit = -1;
-       options->dirstat_percent = 3;
+       options->dirstat_percent = diff_dirstat_percent_default;
        options->context = 3;
 
        options->change = diff_change;