blame: large-scale performance rewrite

diff --git a/notes-utils.c b/notes-utils.c
index 5c9c976b80e01319bca05efcddf98685ec11f632..4aa7023903374aa3ccea23d5fc9ae82c9c67bca7 100644 (file)
--- a/notes-utils.c
+++ b/notes-utils.c
@@ -2,7 +2,32 @@
 #include "commit.h"
 #include "refs.h"
 #include "notes-utils.h"
-#include "notes-merge.h" /* for create_notes_commit() */
+
+void create_notes_commit(struct notes_tree *t, struct commit_list *parents,
+                        const struct strbuf *msg, unsigned char *result_sha1)
+{
+       unsigned char tree_sha1[20];
+
+       assert(t->initialized);
+
+       if (write_notes_tree(t, tree_sha1))
+               die("Failed to write notes tree to database");
+
+       if (!parents) {
+               /* Deduce parent commit from t->ref */
+               unsigned char parent_sha1[20];
+               if (!read_ref(t->ref, parent_sha1)) {
+                       struct commit *parent = lookup_commit(parent_sha1);
+                       if (parse_commit(parent))
+                               die("Failed to find/parse commit %s", t->ref);
+                       commit_list_insert(parent, &parents);
+               }
+               /* else: t->ref points to nothing, assume root/orphan commit */
+       }
+
+       if (commit_tree(msg, tree_sha1, parents, result_sha1, NULL, NULL))
+               die("Failed to commit notes tree to database");
+}
 
 void commit_notes(struct notes_tree *t, const char *msg)
 {
@@ -45,12 +70,12 @@ static combine_notes_fn parse_combine_notes_fn(const char *v)
 static int notes_rewrite_config(const char *k, const char *v, void *cb)
 {
        struct notes_rewrite_cfg *c = cb;
-       if (!prefixcmp(k, "notes.rewrite.") && !strcmp(k+14, c->cmd)) {
+       if (starts_with(k, "notes.rewrite.") && !strcmp(k+14, c->cmd)) {
                c->enabled = git_config_bool(k, v);
                return 0;
        } else if (!c->mode_from_env && !strcmp(k, "notes.rewritemode")) {
                if (!v)
-                       config_error_nonbool(k);
+                       return config_error_nonbool(k);
                c->combine = parse_combine_notes_fn(v);
                if (!c->combine) {
                        error(_("Bad notes.rewriteMode value: '%s'"), v);
@@ -60,7 +85,7 @@ static int notes_rewrite_config(const char *k, const char *v, void *cb)
        } else if (!c->refs_from_env && !strcmp(k, "notes.rewriteref")) {
                /* note that a refs/ prefix is implied in the
                 * underlying for_each_glob_ref */
-               if (!prefixcmp(v, "refs/notes/"))
+               if (starts_with(v, "refs/notes/"))
                        string_list_add_refs_by_glob(c->refs, v);
                else
                        warning(_("Refusing to rewrite notes in %s"