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-rw-r--r--blame.c122
1 files changed, 78 insertions, 44 deletions
diff --git a/blame.c b/blame.c
index f9b7f0a..aca06f4 100644
--- a/blame.c
+++ b/blame.c
@@ -1,11 +1,31 @@
#include "cache.h"
#include "refs.h"
+#include "object-store.h"
#include "cache-tree.h"
#include "mergesort.h"
#include "diff.h"
#include "diffcore.h"
#include "tag.h"
#include "blame.h"
+#include "alloc.h"
+#include "commit-slab.h"
+
+define_commit_slab(blame_suspects, struct blame_origin *);
+static struct blame_suspects blame_suspects;
+
+struct blame_origin *get_blame_suspects(struct commit *commit)
+{
+ struct blame_origin **result;
+
+ result = blame_suspects_peek(&blame_suspects, commit);
+
+ return result ? *result : NULL;
+}
+
+static void set_blame_suspects(struct commit *commit, struct blame_origin *origin)
+{
+ *blame_suspects_at(&blame_suspects, commit) = origin;
+}
void blame_origin_decref(struct blame_origin *o)
{
@@ -15,12 +35,12 @@ void blame_origin_decref(struct blame_origin *o)
blame_origin_decref(o->previous);
free(o->file.ptr);
/* Should be present exactly once in commit chain */
- for (p = o->commit->util; p; l = p, p = p->next) {
+ for (p = get_blame_suspects(o->commit); p; l = p, p = p->next) {
if (p == o) {
if (l)
l->next = p->next;
else
- o->commit->util = p->next;
+ set_blame_suspects(o->commit, p->next);
free(o);
return;
}
@@ -41,8 +61,8 @@ static struct blame_origin *make_origin(struct commit *commit, const char *path)
FLEX_ALLOC_STR(o, path, path);
o->commit = commit;
o->refcnt = 1;
- o->next = commit->util;
- commit->util = o;
+ o->next = get_blame_suspects(commit);
+ set_blame_suspects(commit, o);
return o;
}
@@ -54,13 +74,13 @@ static struct blame_origin *get_origin(struct commit *commit, const char *path)
{
struct blame_origin *o, *l;
- for (o = commit->util, l = NULL; o; l = o, o = o->next) {
+ for (o = get_blame_suspects(commit), l = NULL; o; l = o, o = o->next) {
if (!strcmp(o->path, path)) {
/* bump to front */
if (l) {
l->next = o->next;
- o->next = commit->util;
- commit->util = o;
+ o->next = get_blame_suspects(commit);
+ set_blame_suspects(commit, o);
}
return blame_origin_incref(o);
}
@@ -70,7 +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;
@@ -81,15 +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);
@@ -99,7 +120,7 @@ static struct commit_list **append_parent(struct commit_list **tail, const struc
{
struct commit *parent;
- parent = lookup_commit_reference(oid);
+ parent = lookup_commit_reference(the_repository, oid);
if (!parent)
die("no such commit %s", oid_to_hex(oid));
return &commit_list_insert(parent, tail)->next;
@@ -110,17 +131,19 @@ static void append_merge_parents(struct commit_list **tail)
int merge_head;
struct strbuf line = STRBUF_INIT;
- merge_head = open(git_path_merge_head(), O_RDONLY);
+ merge_head = open(git_path_merge_head(the_repository), O_RDONLY);
if (merge_head < 0) {
if (errno == ENOENT)
return;
- die("cannot open '%s' for reading", git_path_merge_head());
+ die("cannot open '%s' for reading",
+ git_path_merge_head(the_repository));
}
while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) {
struct object_id oid;
if (line.len < GIT_SHA1_HEXSZ || get_oid_hex(line.buf, &oid))
- die("unknown line in '%s': %s", git_path_merge_head(), line.buf);
+ die("unknown line in '%s': %s",
+ git_path_merge_head(the_repository), line.buf);
tail = append_parent(tail, &oid);
}
close(merge_head);
@@ -136,14 +159,15 @@ static void set_commit_buffer_from_strbuf(struct commit *c, struct strbuf *sb)
{
size_t len;
void *buf = strbuf_detach(sb, &len);
- set_commit_buffer(c, buf, len);
+ set_commit_buffer(the_repository, c, buf, len);
}
/*
* 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)
{
@@ -154,14 +178,14 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
struct strbuf buf = STRBUF_INIT;
const char *ident;
time_t now;
- int size, len;
+ int len;
struct cache_entry *ce;
unsigned mode;
struct strbuf msg = STRBUF_INIT;
- read_cache();
+ read_index(repo->index);
time(&now);
- commit = alloc_commit_node();
+ commit = alloc_commit_node(the_repository);
commit->object.parsed = 1;
commit->date = now;
parent_tail = &commit->parents;
@@ -171,7 +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);
@@ -229,7 +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);
@@ -240,28 +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;
}
- size = cache_entry_size(len);
- ce = xcalloc(1, size);
+ 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;
}
@@ -476,7 +500,7 @@ static void queue_blames(struct blame_scoreboard *sb, struct blame_origin *porig
porigin->suspects = blame_merge(porigin->suspects, sorted);
else {
struct blame_origin *o;
- for (o = porigin->commit->util; o; o = o->next) {
+ for (o = get_blame_suspects(porigin->commit); o; o = o->next) {
if (o->suspects) {
porigin->suspects = sorted;
return;
@@ -496,13 +520,14 @@ 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:
@@ -523,7 +548,7 @@ static struct blame_origin *find_origin(struct commit *parent,
const char *paths[2];
/* First check any existing origins */
- for (porigin = parent->util; porigin; porigin = porigin->next)
+ for (porigin = get_blame_suspects(parent); porigin; porigin = porigin->next)
if (!strcmp(porigin->path, origin->path)) {
/*
* The same path between origin and its parent
@@ -1548,7 +1573,7 @@ void assign_blame(struct blame_scoreboard *sb, int opt)
while (commit) {
struct blame_entry *ent;
- struct blame_origin *suspect = commit->util;
+ struct blame_origin *suspect = get_blame_suspects(commit);
/* find one suspect to break down */
while (suspect && !suspect->suspects)
@@ -1650,7 +1675,7 @@ static struct commit *find_single_final(struct rev_info *revs,
struct object *obj = revs->pending.objects[i].item;
if (obj->flags & UNINTERESTING)
continue;
- obj = deref_tag(obj, NULL, 0);
+ obj = deref_tag(the_repository, obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
if (found)
@@ -1681,14 +1706,15 @@ static struct commit *dwim_reverse_initial(struct rev_info *revs,
/* Is that sole rev a committish? */
obj = revs->pending.objects[0].item;
- obj = deref_tag(obj, NULL, 0);
+ obj = deref_tag(the_repository, obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
return NULL;
/* Do we have HEAD? */
if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL))
return NULL;
- head_commit = lookup_commit_reference_gently(&head_oid, 1);
+ head_commit = lookup_commit_reference_gently(the_repository,
+ &head_oid, 1);
if (!head_commit)
return NULL;
@@ -1716,7 +1742,7 @@ static struct commit *find_single_initial(struct rev_info *revs,
struct object *obj = revs->pending.objects[i].item;
if (!(obj->flags & UNINTERESTING))
continue;
- obj = deref_tag(obj, NULL, 0);
+ obj = deref_tag(the_repository, obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
if (found)
@@ -1743,16 +1769,23 @@ 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;
struct commit *final_commit = NULL;
enum object_type type;
+ init_blame_suspects(&blame_suspects);
+
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;
@@ -1774,7 +1807,8 @@ 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), ":");
}
@@ -1813,13 +1847,13 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
}
if (is_null_oid(&sb->final->object.oid)) {
- o = sb->final->util;
+ o = get_blame_suspects(sb->final);
sb->final_buf = xmemdupz(o->file.ptr, o->file.size);
sb->final_buf_size = o->file.size;
}
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 &&