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blame.c: remove implicit dependency on the_index

Browse Source 
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>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2018-08-13 18:14:41 +02:00 committed by Junio C Hamano
parent 1b5c6c1e53
commit ecbbc0a53b
3 changed files with 33 additions and 21 deletions
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52
blame.c
View File

@ -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 &&

1
blame.h
View File

@ -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;

1
builtin/blame.c
View 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;