notes: add notes.mergeStrategy option to select default strategy

diff --git a/builtin/notes.c b/builtin/notes.c
index 29816f9fbba284bca363b1e0c641399a313374a4..9026d567cd15cd54df2ceb1f0a8ec8719e104f68 100644 (file)
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -737,6 +737,19 @@ static int merge_commit(struct notes_merge_options *o)
        return ret;
 }
 
+static int git_config_get_notes_strategy(const char *key,
+                                        enum notes_merge_strategy *strategy)
+{
+       const char *value;
+
+       if (git_config_get_string_const(key, &value))
+               return 1;
+       if (parse_notes_merge_strategy(value, strategy))
+               git_die_config(key, "unknown notes merge strategy %s", value);
+
+       return 0;
+}
+
 static int merge(int argc, const char **argv, const char *prefix)
 {
        struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
@@ -795,15 +808,17 @@ static int merge(int argc, const char **argv, const char *prefix)
        expand_notes_ref(&remote_ref);
        o.remote_ref = remote_ref.buf;
 
+       t = init_notes_check("merge");
+
        if (strategy) {
                if (parse_notes_merge_strategy(strategy, &o.strategy)) {
                        error("Unknown -s/--strategy: %s", strategy);
                        usage_with_options(git_notes_merge_usage, options);
                }
+       } else {
+               git_config_get_notes_strategy("notes.mergeStrategy", &o.strategy);
        }
 
-       t = init_notes_check("merge");
-
        strbuf_addf(&msg, "notes: Merged notes from %s into %s",
                    remote_ref.buf, default_notes_ref());
        strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */