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-rw-r--r--commit.c169
1 files changed, 100 insertions, 69 deletions
diff --git a/commit.c b/commit.c
index 0c3b75aeff..add310d423 100644
--- a/commit.c
+++ b/commit.c
@@ -2,6 +2,8 @@
#include "tag.h"
#include "commit.h"
#include "commit-graph.h"
+#include "repository.h"
+#include "object-store.h"
#include "pkt-line.h"
#include "utf8.h"
#include "diff.h"
@@ -22,24 +24,26 @@ int save_commit_buffer = 1;
const char *commit_type = "commit";
-struct commit *lookup_commit_reference_gently(const struct object_id *oid,
- int quiet)
+struct commit *lookup_commit_reference_gently(struct repository *r,
+ const struct object_id *oid, int quiet)
{
- struct object *obj = deref_tag(parse_object(oid), NULL, 0);
+ struct object *obj = deref_tag(r,
+ parse_object(r, oid),
+ NULL, 0);
if (!obj)
return NULL;
- return object_as_type(obj, OBJ_COMMIT, quiet);
+ return object_as_type(r, obj, OBJ_COMMIT, quiet);
}
-struct commit *lookup_commit_reference(const struct object_id *oid)
+struct commit *lookup_commit_reference(struct repository *r, const struct object_id *oid)
{
- return lookup_commit_reference_gently(oid, 0);
+ return lookup_commit_reference_gently(r, oid, 0);
}
struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref_name)
{
- struct commit *c = lookup_commit_reference(oid);
+ struct commit *c = lookup_commit_reference(the_repository, oid);
if (!c)
die(_("could not parse %s"), ref_name);
if (oidcmp(oid, &c->object.oid)) {
@@ -49,13 +53,13 @@ struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref
return c;
}
-struct commit *lookup_commit(const struct object_id *oid)
+struct commit *lookup_commit(struct repository *r, const struct object_id *oid)
{
- struct object *obj = lookup_object(oid->hash);
+ struct object *obj = lookup_object(r, oid->hash);
if (!obj)
- return create_object(the_repository, oid->hash,
- alloc_commit_node(the_repository));
- return object_as_type(obj, OBJ_COMMIT, 0);
+ return create_object(r, oid->hash,
+ alloc_commit_node(r));
+ return object_as_type(r, obj, OBJ_COMMIT, 0);
}
struct commit *lookup_commit_reference_by_name(const char *name)
@@ -65,7 +69,7 @@ struct commit *lookup_commit_reference_by_name(const char *name)
if (get_oid_committish(name, &oid))
return NULL;
- commit = lookup_commit_reference(&oid);
+ commit = lookup_commit_reference(the_repository, &oid);
if (parse_commit(commit))
return NULL;
return commit;
@@ -98,41 +102,44 @@ static timestamp_t parse_commit_date(const char *buf, const char *tail)
return parse_timestamp(dateptr, NULL, 10);
}
-static struct commit_graft **commit_graft;
-static int commit_graft_alloc, commit_graft_nr;
-
static const unsigned char *commit_graft_sha1_access(size_t index, void *table)
{
struct commit_graft **commit_graft_table = table;
return commit_graft_table[index]->oid.hash;
}
-static int commit_graft_pos(const unsigned char *sha1)
+static int commit_graft_pos(struct repository *r, const unsigned char *sha1)
{
- return sha1_pos(sha1, commit_graft, commit_graft_nr,
+ return sha1_pos(sha1, r->parsed_objects->grafts,
+ r->parsed_objects->grafts_nr,
commit_graft_sha1_access);
}
-int register_commit_graft(struct commit_graft *graft, int ignore_dups)
+int register_commit_graft(struct repository *r, struct commit_graft *graft,
+ int ignore_dups)
{
- int pos = commit_graft_pos(graft->oid.hash);
+ int pos = commit_graft_pos(r, graft->oid.hash);
if (0 <= pos) {
if (ignore_dups)
free(graft);
else {
- free(commit_graft[pos]);
- commit_graft[pos] = graft;
+ free(r->parsed_objects->grafts[pos]);
+ r->parsed_objects->grafts[pos] = graft;
}
return 1;
}
pos = -pos - 1;
- ALLOC_GROW(commit_graft, commit_graft_nr + 1, commit_graft_alloc);
- commit_graft_nr++;
- if (pos < commit_graft_nr)
- MOVE_ARRAY(commit_graft + pos + 1, commit_graft + pos,
- commit_graft_nr - pos - 1);
- commit_graft[pos] = graft;
+ ALLOC_GROW(r->parsed_objects->grafts,
+ r->parsed_objects->grafts_nr + 1,
+ r->parsed_objects->grafts_alloc);
+ r->parsed_objects->grafts_nr++;
+ if (pos < r->parsed_objects->grafts_nr)
+ memmove(r->parsed_objects->grafts + pos + 1,
+ r->parsed_objects->grafts + pos,
+ (r->parsed_objects->grafts_nr - pos - 1) *
+ sizeof(*r->parsed_objects->grafts));
+ r->parsed_objects->grafts[pos] = graft;
return 0;
}
@@ -174,7 +181,7 @@ bad_graft_data:
return NULL;
}
-static int read_graft_file(const char *graft_file)
+static int read_graft_file(struct repository *r, const char *graft_file)
{
FILE *fp = fopen_or_warn(graft_file, "r");
struct strbuf buf = STRBUF_INIT;
@@ -194,7 +201,7 @@ static int read_graft_file(const char *graft_file)
struct commit_graft *graft = read_graft_line(&buf);
if (!graft)
continue;
- if (register_commit_graft(graft, 1))
+ if (register_commit_graft(r, graft, 1))
error("duplicate graft data: %s", buf.buf);
}
fclose(fp);
@@ -202,50 +209,50 @@ static int read_graft_file(const char *graft_file)
return 0;
}
-static void prepare_commit_graft(void)
+static void prepare_commit_graft(struct repository *r)
{
- static int commit_graft_prepared;
char *graft_file;
- if (commit_graft_prepared)
+ if (r->parsed_objects->commit_graft_prepared)
return;
if (!startup_info->have_repository)
return;
- graft_file = get_graft_file();
- read_graft_file(graft_file);
+ graft_file = get_graft_file(r);
+ read_graft_file(r, graft_file);
/* make sure shallows are read */
- is_repository_shallow();
- commit_graft_prepared = 1;
+ is_repository_shallow(r);
+ r->parsed_objects->commit_graft_prepared = 1;
}
-struct commit_graft *lookup_commit_graft(const struct object_id *oid)
+struct commit_graft *lookup_commit_graft(struct repository *r, const struct object_id *oid)
{
int pos;
- prepare_commit_graft();
- pos = commit_graft_pos(oid->hash);
+ prepare_commit_graft(r);
+ pos = commit_graft_pos(r, oid->hash);
if (pos < 0)
return NULL;
- return commit_graft[pos];
+ return r->parsed_objects->grafts[pos];
}
int for_each_commit_graft(each_commit_graft_fn fn, void *cb_data)
{
int i, ret;
- for (i = ret = 0; i < commit_graft_nr && !ret; i++)
- ret = fn(commit_graft[i], cb_data);
+ for (i = ret = 0; i < the_repository->parsed_objects->grafts_nr && !ret; i++)
+ ret = fn(the_repository->parsed_objects->grafts[i], cb_data);
return ret;
}
int unregister_shallow(const struct object_id *oid)
{
- int pos = commit_graft_pos(oid->hash);
+ int pos = commit_graft_pos(the_repository, oid->hash);
if (pos < 0)
return -1;
- if (pos + 1 < commit_graft_nr)
- MOVE_ARRAY(commit_graft + pos, commit_graft + pos + 1,
- commit_graft_nr - pos - 1);
- commit_graft_nr--;
+ if (pos + 1 < the_repository->parsed_objects->grafts_nr)
+ MOVE_ARRAY(the_repository->parsed_objects->grafts + pos,
+ the_repository->parsed_objects->grafts + pos + 1,
+ the_repository->parsed_objects->grafts_nr - pos - 1);
+ the_repository->parsed_objects->grafts_nr--;
return 0;
}
@@ -254,18 +261,32 @@ struct commit_buffer {
unsigned long size;
};
define_commit_slab(buffer_slab, struct commit_buffer);
-static struct buffer_slab buffer_slab = COMMIT_SLAB_INIT(1, buffer_slab);
-void set_commit_buffer(struct commit *commit, void *buffer, unsigned long size)
+struct buffer_slab *allocate_commit_buffer_slab(void)
+{
+ struct buffer_slab *bs = xmalloc(sizeof(*bs));
+ init_buffer_slab(bs);
+ return bs;
+}
+
+void free_commit_buffer_slab(struct buffer_slab *bs)
+{
+ clear_buffer_slab(bs);
+ free(bs);
+}
+
+void set_commit_buffer(struct repository *r, struct commit *commit, void *buffer, unsigned long size)
{
- struct commit_buffer *v = buffer_slab_at(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_at(
+ r->parsed_objects->buffer_slab, commit);
v->buffer = buffer;
v->size = size;
}
-const void *get_cached_commit_buffer(const struct commit *commit, unsigned long *sizep)
+const void *get_cached_commit_buffer(struct repository *r, const struct commit *commit, unsigned long *sizep)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ r->parsed_objects->buffer_slab, commit);
if (!v) {
if (sizep)
*sizep = 0;
@@ -278,7 +299,7 @@ const void *get_cached_commit_buffer(const struct commit *commit, unsigned long
const void *get_commit_buffer(const struct commit *commit, unsigned long *sizep)
{
- const void *ret = get_cached_commit_buffer(commit, sizep);
+ const void *ret = get_cached_commit_buffer(the_repository, commit, sizep);
if (!ret) {
enum object_type type;
unsigned long size;
@@ -297,14 +318,16 @@ const void *get_commit_buffer(const struct commit *commit, unsigned long *sizep)
void unuse_commit_buffer(const struct commit *commit, const void *buffer)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ the_repository->parsed_objects->buffer_slab, commit);
if (!(v && v->buffer == buffer))
free((void *)buffer);
}
void free_commit_buffer(struct commit *commit)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ the_repository->parsed_objects->buffer_slab, commit);
if (v) {
FREE_AND_NULL(v->buffer);
v->size = 0;
@@ -340,7 +363,8 @@ void release_commit_memory(struct commit *c)
const void *detach_commit_buffer(struct commit *commit, unsigned long *sizep)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ the_repository->parsed_objects->buffer_slab, commit);
void *ret;
if (!v) {
@@ -357,15 +381,15 @@ const void *detach_commit_buffer(struct commit *commit, unsigned long *sizep)
return ret;
}
-int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size, int check_graph)
+int parse_commit_buffer(struct repository *r, struct commit *item, const void *buffer, unsigned long size, int check_graph)
{
const char *tail = buffer;
const char *bufptr = buffer;
struct object_id parent;
struct commit_list **pptr;
struct commit_graft *graft;
- const int tree_entry_len = GIT_SHA1_HEXSZ + 5;
- const int parent_entry_len = GIT_SHA1_HEXSZ + 7;
+ const int tree_entry_len = the_hash_algo->hexsz + 5;
+ const int parent_entry_len = the_hash_algo->hexsz + 7;
if (item->object.parsed)
return 0;
@@ -377,11 +401,11 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s
if (get_oid_hex(bufptr + 5, &parent) < 0)
return error("bad tree pointer in commit %s",
oid_to_hex(&item->object.oid));
- item->maybe_tree = lookup_tree(&parent);
+ item->maybe_tree = lookup_tree(r, &parent);
bufptr += tree_entry_len + 1; /* "tree " + "hex sha1" + "\n" */
pptr = &item->parents;
- graft = lookup_commit_graft(&item->object.oid);
+ graft = lookup_commit_graft(r, &item->object.oid);
while (bufptr + parent_entry_len < tail && !memcmp(bufptr, "parent ", 7)) {
struct commit *new_parent;
@@ -396,7 +420,7 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s
*/
if (graft && (graft->nr_parent < 0 || grafts_replace_parents))
continue;
- new_parent = lookup_commit(&parent);
+ new_parent = lookup_commit(r, &parent);
if (new_parent)
pptr = &commit_list_insert(new_parent, pptr)->next;
}
@@ -404,7 +428,8 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s
int i;
struct commit *new_parent;
for (i = 0; i < graft->nr_parent; i++) {
- new_parent = lookup_commit(&graft->parent[i]);
+ new_parent = lookup_commit(r,
+ &graft->parent[i]);
if (!new_parent)
continue;
pptr = &commit_list_insert(new_parent, pptr)->next;
@@ -418,7 +443,7 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s
return 0;
}
-int parse_commit_gently(struct commit *item, int quiet_on_missing)
+int parse_commit_internal(struct commit *item, int quiet_on_missing, int use_commit_graph)
{
enum object_type type;
void *buffer;
@@ -429,7 +454,7 @@ int parse_commit_gently(struct commit *item, int quiet_on_missing)
return -1;
if (item->object.parsed)
return 0;
- if (parse_commit_in_graph(item))
+ if (use_commit_graph && parse_commit_in_graph(item))
return 0;
buffer = read_object_file(&item->object.oid, &type, &size);
if (!buffer)
@@ -441,15 +466,21 @@ int parse_commit_gently(struct commit *item, int quiet_on_missing)
return error("Object %s not a commit",
oid_to_hex(&item->object.oid));
}
- ret = parse_commit_buffer(item, buffer, size, 0);
+
+ ret = parse_commit_buffer(the_repository, item, buffer, size, 0);
if (save_commit_buffer && !ret) {
- set_commit_buffer(item, buffer, size);
+ set_commit_buffer(the_repository, item, buffer, size);
return 0;
}
free(buffer);
return ret;
}
+int parse_commit_gently(struct commit *item, int quiet_on_missing)
+{
+ return parse_commit_internal(item, quiet_on_missing, 1);
+}
+
void parse_commit_or_die(struct commit *item)
{
if (parse_commit(item))
@@ -1687,7 +1718,7 @@ struct commit *get_merge_parent(const char *name)
struct object_id oid;
if (get_oid(name, &oid))
return NULL;
- obj = parse_object(&oid);
+ obj = parse_object(the_repository, &oid);
commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT);
if (commit && !merge_remote_util(commit))
set_merge_remote_desc(commit, name, obj);