diff-delta: set size out-parameter to 0 for NULL delta

diff --git a/builtin/log.c b/builtin/log.c
index 147850dc731776f6da554435d80ff4dffbb27791..44b10b3415414c0723ace29d9defb62c1354e9d6 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -47,7 +47,7 @@ static int default_follow;
 static int default_show_signature;
 static int decoration_style;
 static int decoration_given;
-static int use_mailmap_config;
+static int use_mailmap_config = 1;
 static const char *fmt_patch_subject_prefix = "PATCH";
 static const char *fmt_pretty;
 
@@ -63,9 +63,14 @@ struct line_opt_callback_data {
        struct string_list args;
 };
 
+static int session_is_interactive(void)
+{
+       return isatty(1) || pager_in_use();
+}
+
 static int auto_decoration_style(void)
 {
-       return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0;
+       return session_is_interactive() ? DECORATE_SHORT_REFS : 0;
 }
 
 static int parse_decoration_style(const char *value)
@@ -155,7 +160,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
                         struct rev_info *rev, struct setup_revision_opt *opt)
 {
        struct userformat_want w;
-       int quiet = 0, source = 0, mailmap = 0;
+       int quiet = 0, source = 0, mailmap;
        static struct line_opt_callback_data line_cb = {NULL, NULL, STRING_LIST_INIT_DUP};
        static struct string_list decorate_refs_exclude = STRING_LIST_INIT_NODUP;
        static struct string_list decorate_refs_include = STRING_LIST_INIT_NODUP;
@@ -779,6 +784,8 @@ enum {
 
 static int git_format_config(const char *var, const char *value, void *cb)
 {
+       struct rev_info *rev = cb;
+
        if (!strcmp(var, "format.headers")) {
                if (!value)
                        die(_("format.headers without value"));
@@ -864,6 +871,22 @@ static int git_format_config(const char *var, const char *value, void *cb)
                        from = NULL;
                return 0;
        }
+       if (!strcmp(var, "format.notes")) {
+               struct strbuf buf = STRBUF_INIT;
+               int b = git_parse_maybe_bool(value);
+               if (!b)
+                       return 0;
+               rev->show_notes = 1;
+               if (b < 0) {
+                       strbuf_addstr(&buf, value);
+                       expand_notes_ref(&buf);
+                       string_list_append(&rev->notes_opt.extra_notes_refs,
+                                       strbuf_detach(&buf, NULL));
+               } else {
+                       rev->notes_opt.use_default_notes = 1;
+               }
+               return 0;
+       }
 
        return git_log_config(var, value, cb);
 }
@@ -1617,8 +1640,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        extra_to.strdup_strings = 1;
        extra_cc.strdup_strings = 1;
        init_log_defaults();
-       git_config(git_format_config, NULL);
        repo_init_revisions(the_repository, &rev, prefix);
+       git_config(git_format_config, &rev);
        rev.commit_format = CMIT_FMT_EMAIL;
        rev.expand_tabs_in_log_default = 0;
        rev.verbose_header = 1;