#include "cache.h"
#include "tag.h"
#include "commit.h"
+#include "commit-graph.h"
#include "pkt-line.h"
#include "utf8.h"
#include "diff.h"
struct object_id oid;
struct commit *commit;
- if (get_sha1_committish(name, oid.hash))
+ if (get_oid_committish(name, &oid))
return NULL;
commit = lookup_commit_reference(&oid);
if (parse_commit(commit))
ALLOC_GROW(commit_graft, commit_graft_nr + 1, commit_graft_alloc);
commit_graft_nr++;
if (pos < commit_graft_nr)
- memmove(commit_graft + pos + 1,
- commit_graft + pos,
- (commit_graft_nr - pos - 1) *
- sizeof(*commit_graft));
+ MOVE_ARRAY(commit_graft + pos + 1, commit_graft + pos,
+ commit_graft_nr - pos - 1);
commit_graft[pos] = graft;
return 0;
}
-struct commit_graft *read_graft_line(char *buf, int len)
+struct commit_graft *read_graft_line(struct strbuf *line)
{
/* The format is just "Commit Parent1 Parent2 ...\n" */
- int i;
+ int i, phase;
+ const char *tail = NULL;
struct commit_graft *graft = NULL;
- const int entry_size = GIT_SHA1_HEXSZ + 1;
+ struct object_id dummy_oid, *oid;
- while (len && isspace(buf[len-1]))
- buf[--len] = '\0';
- if (buf[0] == '#' || buf[0] == '\0')
+ strbuf_rtrim(line);
+ if (!line->len || line->buf[0] == '#')
return NULL;
- if ((len + 1) % entry_size)
- goto bad_graft_data;
- i = (len + 1) / entry_size - 1;
- graft = xmalloc(st_add(sizeof(*graft), st_mult(GIT_SHA1_RAWSZ, i)));
- graft->nr_parent = i;
- if (get_oid_hex(buf, &graft->oid))
- goto bad_graft_data;
- for (i = GIT_SHA1_HEXSZ; i < len; i += entry_size) {
- if (buf[i] != ' ')
- goto bad_graft_data;
- if (get_sha1_hex(buf + i + 1, graft->parent[i/entry_size].hash))
+ /*
+ * phase 0 verifies line, counts hashes in line and allocates graft
+ * phase 1 fills graft
+ */
+ for (phase = 0; phase < 2; phase++) {
+ oid = graft ? &graft->oid : &dummy_oid;
+ if (parse_oid_hex(line->buf, oid, &tail))
goto bad_graft_data;
+ for (i = 0; *tail != '\0'; i++) {
+ oid = graft ? &graft->parent[i] : &dummy_oid;
+ if (!isspace(*tail++) || parse_oid_hex(tail, oid, &tail))
+ goto bad_graft_data;
+ }
+ if (!graft) {
+ graft = xmalloc(st_add(sizeof(*graft),
+ st_mult(sizeof(struct object_id), i)));
+ graft->nr_parent = i;
+ }
}
return graft;
bad_graft_data:
- error("bad graft data: %s", buf);
- free(graft);
+ error("bad graft data: %s", line->buf);
+ assert(!graft);
return NULL;
}
return -1;
while (!strbuf_getwholeline(&buf, fp, '\n')) {
/* The format is just "Commit Parent1 Parent2 ...\n" */
- struct commit_graft *graft = read_graft_line(buf.buf, buf.len);
+ struct commit_graft *graft = read_graft_line(&buf);
if (!graft)
continue;
if (register_commit_graft(graft, 1))
commit_graft_prepared = 1;
}
-struct commit_graft *lookup_commit_graft(const unsigned char *sha1)
+struct commit_graft *lookup_commit_graft(const struct object_id *oid)
{
int pos;
prepare_commit_graft();
- pos = commit_graft_pos(sha1);
+ pos = commit_graft_pos(oid->hash);
if (pos < 0)
return NULL;
return commit_graft[pos];
if (!ret) {
enum object_type type;
unsigned long size;
- ret = read_sha1_file(commit->object.oid.hash, &type, &size);
+ ret = read_object_file(&commit->object.oid, &type, &size);
if (!ret)
die("cannot read commit object %s",
oid_to_hex(&commit->object.oid));
if (type != OBJ_COMMIT)
die("expected commit for %s, got %s",
- oid_to_hex(&commit->object.oid), typename(type));
+ oid_to_hex(&commit->object.oid), type_name(type));
if (sizep)
*sizep = size;
}
bufptr += tree_entry_len + 1; /* "tree " + "hex sha1" + "\n" */
pptr = &item->parents;
- graft = lookup_commit_graft(item->object.oid.hash);
+ graft = lookup_commit_graft(&item->object.oid);
while (bufptr + parent_entry_len < tail && !memcmp(bufptr, "parent ", 7)) {
struct commit *new_parent;
return -1;
if (item->object.parsed)
return 0;
- buffer = read_sha1_file(item->object.oid.hash, &type, &size);
+ if (parse_commit_in_graph(item))
+ return 0;
+ buffer = read_object_file(&item->object.oid, &type, &size);
if (!buffer)
return quiet_on_missing ? -1 :
error("Could not read %s",
struct commit_list *list = NULL;
while (nr--) {
- commit_list_insert(*commit, &list);
+ clear_commit_marks_1(&list, *commit, mark);
commit++;
}
while (list)
clear_commit_marks_many(1, &commit, mark);
}
-void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark)
-{
- struct object *object;
- struct commit *commit;
- unsigned int i;
-
- for (i = 0; i < a->nr; i++) {
- object = a->objects[i].item;
- commit = lookup_commit_reference_gently(&object->oid, 1);
- if (commit)
- clear_commit_marks(commit, mark);
- }
-}
-
struct commit *pop_commit(struct commit_list **stack)
{
struct commit_list *top = *stack;
commit_list_insert(in->item, &ret);
for (i = in->next; i; i = i->next) {
- struct commit_list *new = NULL, *end = NULL;
+ struct commit_list *new_commits = NULL, *end = NULL;
for (j = ret; j; j = j->next) {
struct commit_list *bases;
bases = get_merge_bases(i->item, j->item);
- if (!new)
- new = bases;
+ if (!new_commits)
+ new_commits = bases;
else
end->next = bases;
for (k = bases; k; k = k->next)
end = k;
}
- ret = new;
+ ret = new_commits;
}
return ret;
}
if (work[j]->object.flags & PARENT1)
redundant[filled_index[j]] = 1;
clear_commit_marks(array[i], all_flags);
- for (j = 0; j < filled; j++)
- clear_commit_marks(work[j], all_flags);
+ clear_commit_marks_many(filled, work, all_flags);
free_commit_list(common);
}
num_head = remove_redundant(array, num_head);
for (i = 0; i < num_head; i++)
tail = &commit_list_insert(array[i], tail)->next;
+ free(array);
return result;
}
+void reduce_heads_replace(struct commit_list **heads)
+{
+ struct commit_list *result = reduce_heads(*heads);
+ free_commit_list(*heads);
+ *heads = result;
+}
+
static const char gpg_sig_header[] = "gpgsig";
static const int gpg_sig_header_len = sizeof(gpg_sig_header) - 1;
desc = merge_remote_util(parent);
if (!desc || !desc->obj)
return;
- buf = read_sha1_file(desc->obj->oid.hash, &type, &size);
+ buf = read_object_file(&desc->obj->oid, &type, &size);
if (!buf || type != OBJ_TAG)
goto free_return;
len = parse_signature(buf, size);
}
}
-int commit_tree(const char *msg, size_t msg_len,
- const unsigned char *tree,
- struct commit_list *parents, unsigned char *ret,
+int commit_tree(const char *msg, size_t msg_len, const struct object_id *tree,
+ struct commit_list *parents, struct object_id *ret,
const char *author, const char *sign_commit)
{
struct commit_extra_header *extra = NULL, **tail = &extra;
"variable i18n.commitencoding to the encoding your project uses.\n");
int commit_tree_extended(const char *msg, size_t msg_len,
- const unsigned char *tree,
- struct commit_list *parents, unsigned char *ret,
+ const struct object_id *tree,
+ struct commit_list *parents, struct object_id *ret,
const char *author, const char *sign_commit,
struct commit_extra_header *extra)
{
int encoding_is_utf8;
struct strbuf buffer;
- assert_sha1_type(tree, OBJ_TREE);
+ assert_oid_type(tree, OBJ_TREE);
if (memchr(msg, '\0', msg_len))
return error("a NUL byte in commit log message not allowed.");
encoding_is_utf8 = is_encoding_utf8(git_commit_encoding);
strbuf_init(&buffer, 8192); /* should avoid reallocs for the headers */
- strbuf_addf(&buffer, "tree %s\n", sha1_to_hex(tree));
+ strbuf_addf(&buffer, "tree %s\n", oid_to_hex(tree));
/*
* NOTE! This ordering means that the same exact tree merged with a
if (encoding_is_utf8 && !verify_utf8(&buffer))
fprintf(stderr, _(commit_utf8_warn));
- if (sign_commit && do_sign_commit(&buffer, sign_commit))
- return -1;
+ if (sign_commit && do_sign_commit(&buffer, sign_commit)) {
+ result = -1;
+ goto out;
+ }
- result = write_sha1_file(buffer.buf, buffer.len, commit_type, ret);
+ result = write_object_file(buffer.buf, buffer.len, commit_type, ret);
+out:
strbuf_release(&buffer);
return result;
}
+define_commit_slab(merge_desc_slab, struct merge_remote_desc *);
+static struct merge_desc_slab merge_desc_slab = COMMIT_SLAB_INIT(1, merge_desc_slab);
+
+struct merge_remote_desc *merge_remote_util(struct commit *commit)
+{
+ return *merge_desc_slab_at(&merge_desc_slab, commit);
+}
+
void set_merge_remote_desc(struct commit *commit,
const char *name, struct object *obj)
{
struct merge_remote_desc *desc;
FLEX_ALLOC_STR(desc, name, name);
desc->obj = obj;
- commit->util = desc;
+ *merge_desc_slab_at(&merge_desc_slab, commit) = desc;
}
struct commit *get_merge_parent(const char *name)
struct object *obj;
struct commit *commit;
struct object_id oid;
- if (get_sha1(name, oid.hash))
+ if (get_oid(name, &oid))
return NULL;
obj = parse_object(&oid);
commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT);
- if (commit && !commit->util)
+ if (commit && !merge_remote_util(commit))
set_merge_remote_desc(commit, name, obj);
return commit;
}
struct commit_list **commit_list_append(struct commit *commit,
struct commit_list **next)
{
- struct commit_list *new = xmalloc(sizeof(struct commit_list));
- new->item = commit;
- *next = new;
- new->next = NULL;
- return &new->next;
+ struct commit_list *new_commit = xmalloc(sizeof(struct commit_list));
+ new_commit->item = commit;
+ *next = new_commit;
+ new_commit->next = NULL;
+ return &new_commit->next;
}
const char *find_commit_header(const char *msg, const char *key, size_t *out_len)