blame.c: remove implicit dependency on the_index
authorNguyễn Thái Ngọc Duy <pclouds@gmail.com>
Mon, 13 Aug 2018 16:14:41 +0000 (18:14 +0200)
committerJunio C Hamano <gitster@pobox.com>
Mon, 13 Aug 2018 21:14:44 +0000 (14:14 -0700)
Side note, since we gain access to the right repository, we can stop
rely on the_repository in this code as well.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
blame.c
blame.h
builtin/blame.c

diff --git a/blame.c b/blame.c
index 58a7036..08c0c6c 100644 (file)
--- a/blame.c
+++ b/blame.c
@@ -90,7 +90,8 @@ static struct blame_origin *get_origin(struct commit *commit, const char *path)
 
 
 
-static void verify_working_tree_path(struct commit *work_tree, const char *path)
+static void verify_working_tree_path(struct repository *repo,
+                                    struct commit *work_tree, const char *path)
 {
        struct commit_list *parents;
        int pos;
@@ -101,15 +102,15 @@ static void verify_working_tree_path(struct commit *work_tree, const char *path)
                unsigned mode;
 
                if (!get_tree_entry(commit_oid, path, &blob_oid, &mode) &&
-                   oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB)
+                   oid_object_info(repo, &blob_oid, NULL) == OBJ_BLOB)
                        return;
        }
 
-       pos = cache_name_pos(path, strlen(path));
+       pos = index_name_pos(repo->index, path, strlen(path));
        if (pos >= 0)
                ; /* path is in the index */
-       else if (-1 - pos < active_nr &&
-                !strcmp(active_cache[-1 - pos]->name, path))
+       else if (-1 - pos < repo->index->cache_nr &&
+                !strcmp(repo->index->cache[-1 - pos]->name, path))
                ; /* path is in the index, unmerged */
        else
                die("no such path '%s' in HEAD", path);
@@ -165,7 +166,8 @@ static void set_commit_buffer_from_strbuf(struct commit *c, struct strbuf *sb)
  * Prepare a dummy commit that represents the work tree (or staged) item.
  * Note that annotating work tree item never works in the reverse.
  */
-static struct commit *fake_working_tree_commit(struct diff_options *opt,
+static struct commit *fake_working_tree_commit(struct repository *repo,
+                                              struct diff_options *opt,
                                               const char *path,
                                               const char *contents_from)
 {
@@ -181,7 +183,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
        unsigned mode;
        struct strbuf msg = STRBUF_INIT;
 
-       read_cache();
+       read_index(repo->index);
        time(&now);
        commit = alloc_commit_node(the_repository);
        commit->object.parsed = 1;
@@ -193,7 +195,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
 
        parent_tail = append_parent(parent_tail, &head_oid);
        append_merge_parents(parent_tail);
-       verify_working_tree_path(commit, path);
+       verify_working_tree_path(repo, commit, path);
 
        origin = make_origin(commit, path);
 
@@ -251,7 +253,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
                if (strbuf_read(&buf, 0, 0) < 0)
                        die_errno("failed to read from stdin");
        }
-       convert_to_git(&the_index, path, buf.buf, buf.len, &buf, 0);
+       convert_to_git(repo->index, path, buf.buf, buf.len, &buf, 0);
        origin->file.ptr = buf.buf;
        origin->file.size = buf.len;
        pretend_object_file(buf.buf, buf.len, OBJ_BLOB, &origin->blob_oid);
@@ -262,27 +264,28 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
         * bits; we are not going to write this index out -- we just
         * want to run "diff-index --cached".
         */
-       discard_cache();
-       read_cache();
+       discard_index(repo->index);
+       read_index(repo->index);
 
        len = strlen(path);
        if (!mode) {
-               int pos = cache_name_pos(path, len);
+               int pos = index_name_pos(repo->index, path, len);
                if (0 <= pos)
-                       mode = active_cache[pos]->ce_mode;
+                       mode = repo->index->cache[pos]->ce_mode;
                else
                        /* Let's not bother reading from HEAD tree */
                        mode = S_IFREG | 0644;
        }
-       ce = make_empty_cache_entry(&the_index, len);
+       ce = make_empty_cache_entry(repo->index, len);
        oidcpy(&ce->oid, &origin->blob_oid);
        memcpy(ce->name, path, len);
        ce->ce_flags = create_ce_flags(0);
        ce->ce_namelen = len;
        ce->ce_mode = create_ce_mode(mode);
-       add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
+       add_index_entry(repo->index, ce,
+                       ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
 
-       cache_tree_invalidate_path(&the_index, path);
+       cache_tree_invalidate_path(repo->index, path);
 
        return commit;
 }
@@ -519,13 +522,14 @@ static void queue_blames(struct blame_scoreboard *sb, struct blame_origin *porig
  *
  * This also fills origin->mode for corresponding tree path.
  */
-static int fill_blob_sha1_and_mode(struct blame_origin *origin)
+static int fill_blob_sha1_and_mode(struct repository *repo,
+                                  struct blame_origin *origin)
 {
        if (!is_null_oid(&origin->blob_oid))
                return 0;
        if (get_tree_entry(&origin->commit->object.oid, origin->path, &origin->blob_oid, &origin->mode))
                goto error_out;
-       if (oid_object_info(the_repository, &origin->blob_oid, NULL) != OBJ_BLOB)
+       if (oid_object_info(repo, &origin->blob_oid, NULL) != OBJ_BLOB)
                goto error_out;
        return 0;
  error_out:
@@ -1767,7 +1771,9 @@ void init_scoreboard(struct blame_scoreboard *sb)
        sb->copy_score = BLAME_DEFAULT_COPY_SCORE;
 }
 
-void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blame_origin **orig)
+void setup_scoreboard(struct blame_scoreboard *sb,
+                     const char *path,
+                     struct blame_origin **orig)
 {
        const char *final_commit_name = NULL;
        struct blame_origin *o;
@@ -1779,6 +1785,9 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
        if (sb->reverse && sb->contents_from)
                die(_("--contents and --reverse do not blend well."));
 
+       if (!sb->repo)
+               BUG("repo is NULL");
+
        if (!sb->reverse) {
                sb->final = find_single_final(sb->revs, &final_commit_name);
                sb->commits.compare = compare_commits_by_commit_date;
@@ -1800,7 +1809,8 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
                 * or "--contents".
                 */
                setup_work_tree();
-               sb->final = fake_working_tree_commit(&sb->revs->diffopt,
+               sb->final = fake_working_tree_commit(sb->repo,
+                                                    &sb->revs->diffopt,
                                                     path, sb->contents_from);
                add_pending_object(sb->revs, &(sb->final->object), ":");
        }
@@ -1845,7 +1855,7 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
        }
        else {
                o = get_origin(sb->final, path);
-               if (fill_blob_sha1_and_mode(o))
+               if (fill_blob_sha1_and_mode(sb->repo, o))
                        die(_("no such path %s in %s"), path, final_commit_name);
 
                if (sb->revs->diffopt.flags.allow_textconv &&
diff --git a/blame.h b/blame.h
index 9b5240f..be3a895 100644 (file)
--- a/blame.h
+++ b/blame.h
@@ -102,6 +102,7 @@ struct blame_scoreboard {
        struct commit *final;
        /* Priority queue for commits with unassigned blame records */
        struct prio_queue commits;
+       struct repository *repo;
        struct rev_info *revs;
        const char *path;
 
index 5c93d16..cbbcb26 100644 (file)
@@ -988,6 +988,7 @@ parse_done:
        sb.revs = &revs;
        sb.contents_from = contents_from;
        sb.reverse = reverse;
+       sb.repo = the_repository;
        setup_scoreboard(&sb, path, &o);
        lno = sb.num_lines;