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Diffstat (limited to 'commit.c')
-rw-r--r--commit.c175
1 files changed, 87 insertions, 88 deletions
diff --git a/commit.c b/commit.c
index 0eee410764..2a90e37519 100644
--- a/commit.c
+++ b/commit.c
@@ -38,7 +38,7 @@ struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_n
struct commit *c = lookup_commit_reference(sha1);
if (!c)
die(_("could not parse %s"), ref_name);
- if (hashcmp(sha1, c->object.sha1)) {
+ if (hashcmp(sha1, c->object.oid.hash)) {
warning(_("%s %s is not a commit!"),
ref_name, sha1_to_hex(sha1));
}
@@ -55,12 +55,12 @@ struct commit *lookup_commit(const unsigned char *sha1)
struct commit *lookup_commit_reference_by_name(const char *name)
{
- unsigned char sha1[20];
+ struct object_id oid;
struct commit *commit;
- if (get_sha1_committish(name, sha1))
+ if (get_sha1_committish(name, oid.hash))
return NULL;
- commit = lookup_commit_reference(sha1);
+ commit = lookup_commit_reference(oid.hash);
if (parse_commit(commit))
return NULL;
return commit;
@@ -99,7 +99,7 @@ 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]->sha1;
+ return commit_graft_table[index]->oid.hash;
}
static int commit_graft_pos(const unsigned char *sha1)
@@ -110,7 +110,7 @@ static int commit_graft_pos(const unsigned char *sha1)
int register_commit_graft(struct commit_graft *graft, int ignore_dups)
{
- int pos = commit_graft_pos(graft->sha1);
+ int pos = commit_graft_pos(graft->oid.hash);
if (0 <= pos) {
if (ignore_dups)
@@ -138,22 +138,23 @@ struct commit_graft *read_graft_line(char *buf, int len)
/* The format is just "Commit Parent1 Parent2 ...\n" */
int i;
struct commit_graft *graft = NULL;
+ const int entry_size = GIT_SHA1_HEXSZ + 1;
while (len && isspace(buf[len-1]))
buf[--len] = '\0';
if (buf[0] == '#' || buf[0] == '\0')
return NULL;
- if ((len + 1) % 41)
+ if ((len + 1) % entry_size)
goto bad_graft_data;
- i = (len + 1) / 41 - 1;
- graft = xmalloc(sizeof(*graft) + 20 * i);
+ i = (len + 1) / entry_size - 1;
+ graft = xmalloc(st_add(sizeof(*graft), st_mult(GIT_SHA1_RAWSZ, i)));
graft->nr_parent = i;
- if (get_sha1_hex(buf, graft->sha1))
+ if (get_oid_hex(buf, &graft->oid))
goto bad_graft_data;
- for (i = 40; i < len; i += 41) {
+ 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/41]))
+ if (get_sha1_hex(buf + i + 1, graft->parent[i/entry_size].hash))
goto bad_graft_data;
}
return graft;
@@ -244,7 +245,12 @@ void set_commit_buffer(struct commit *commit, void *buffer, unsigned long size)
const void *get_cached_commit_buffer(const struct commit *commit, unsigned long *sizep)
{
- struct commit_buffer *v = buffer_slab_at(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ if (!v) {
+ if (sizep)
+ *sizep = 0;
+ return NULL;
+ }
if (sizep)
*sizep = v->size;
return v->buffer;
@@ -256,13 +262,13 @@ const void *get_commit_buffer(const struct commit *commit, unsigned long *sizep)
if (!ret) {
enum object_type type;
unsigned long size;
- ret = read_sha1_file(commit->object.sha1, &type, &size);
+ ret = read_sha1_file(commit->object.oid.hash, &type, &size);
if (!ret)
die("cannot read commit object %s",
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
if (type != OBJ_COMMIT)
die("expected commit for %s, got %s",
- sha1_to_hex(commit->object.sha1), typename(type));
+ oid_to_hex(&commit->object.oid), typename(type));
if (sizep)
*sizep = size;
}
@@ -271,24 +277,31 @@ 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_at(&buffer_slab, commit);
- if (v->buffer != buffer)
+ struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ if (!(v && v->buffer == buffer))
free((void *)buffer);
}
void free_commit_buffer(struct commit *commit)
{
- struct commit_buffer *v = buffer_slab_at(&buffer_slab, commit);
- free(v->buffer);
- v->buffer = NULL;
- v->size = 0;
+ struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ if (v) {
+ free(v->buffer);
+ v->buffer = NULL;
+ v->size = 0;
+ }
}
const void *detach_commit_buffer(struct commit *commit, unsigned long *sizep)
{
- struct commit_buffer *v = buffer_slab_at(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
void *ret;
+ if (!v) {
+ if (sizep)
+ *sizep = 0;
+ return NULL;
+ }
ret = v->buffer;
if (sizep)
*sizep = v->size;
@@ -302,39 +315,42 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s
{
const char *tail = buffer;
const char *bufptr = buffer;
- unsigned char parent[20];
+ 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;
if (item->object.parsed)
return 0;
item->object.parsed = 1;
tail += size;
- if (tail <= bufptr + 46 || memcmp(bufptr, "tree ", 5) || bufptr[45] != '\n')
- return error("bogus commit object %s", sha1_to_hex(item->object.sha1));
- if (get_sha1_hex(bufptr + 5, parent) < 0)
+ if (tail <= bufptr + tree_entry_len + 1 || memcmp(bufptr, "tree ", 5) ||
+ bufptr[tree_entry_len] != '\n')
+ return error("bogus commit object %s", oid_to_hex(&item->object.oid));
+ if (get_sha1_hex(bufptr + 5, parent.hash) < 0)
return error("bad tree pointer in commit %s",
- sha1_to_hex(item->object.sha1));
- item->tree = lookup_tree(parent);
- bufptr += 46; /* "tree " + "hex sha1" + "\n" */
+ oid_to_hex(&item->object.oid));
+ item->tree = lookup_tree(parent.hash);
+ bufptr += tree_entry_len + 1; /* "tree " + "hex sha1" + "\n" */
pptr = &item->parents;
- graft = lookup_commit_graft(item->object.sha1);
- while (bufptr + 48 < tail && !memcmp(bufptr, "parent ", 7)) {
+ graft = lookup_commit_graft(item->object.oid.hash);
+ while (bufptr + parent_entry_len < tail && !memcmp(bufptr, "parent ", 7)) {
struct commit *new_parent;
- if (tail <= bufptr + 48 ||
- get_sha1_hex(bufptr + 7, parent) ||
- bufptr[47] != '\n')
- return error("bad parents in commit %s", sha1_to_hex(item->object.sha1));
- bufptr += 48;
+ if (tail <= bufptr + parent_entry_len + 1 ||
+ get_sha1_hex(bufptr + 7, parent.hash) ||
+ bufptr[parent_entry_len] != '\n')
+ return error("bad parents in commit %s", oid_to_hex(&item->object.oid));
+ bufptr += parent_entry_len + 1;
/*
* The clone is shallow if nr_parent < 0, and we must
* not traverse its real parents even when we unhide them.
*/
if (graft && (graft->nr_parent < 0 || grafts_replace_parents))
continue;
- new_parent = lookup_commit(parent);
+ new_parent = lookup_commit(parent.hash);
if (new_parent)
pptr = &commit_list_insert(new_parent, pptr)->next;
}
@@ -342,7 +358,7 @@ 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(graft->parent[i].hash);
if (!new_parent)
continue;
pptr = &commit_list_insert(new_parent, pptr)->next;
@@ -364,15 +380,15 @@ int parse_commit_gently(struct commit *item, int quiet_on_missing)
return -1;
if (item->object.parsed)
return 0;
- buffer = read_sha1_file(item->object.sha1, &type, &size);
+ buffer = read_sha1_file(item->object.oid.hash, &type, &size);
if (!buffer)
return quiet_on_missing ? -1 :
error("Could not read %s",
- sha1_to_hex(item->object.sha1));
+ oid_to_hex(&item->object.oid));
if (type != OBJ_COMMIT) {
free(buffer);
return error("Object %s not a commit",
- sha1_to_hex(item->object.sha1));
+ oid_to_hex(&item->object.oid));
}
ret = parse_commit_buffer(item, buffer, size);
if (save_commit_buffer && !ret) {
@@ -387,7 +403,7 @@ void parse_commit_or_die(struct commit *item)
{
if (parse_commit(item))
die("unable to parse commit %s",
- item ? sha1_to_hex(item->object.sha1) : "(null)");
+ item ? oid_to_hex(&item->object.oid) : "(null)");
}
int find_commit_subject(const char *commit_buffer, const char **subject)
@@ -398,7 +414,7 @@ int find_commit_subject(const char *commit_buffer, const char **subject)
while (*p && (*p != '\n' || p[1] != '\n'))
p++;
if (*p) {
- p += 2;
+ p = skip_blank_lines(p + 2);
for (eol = p; *eol && *eol != '\n'; eol++)
; /* do nothing */
} else
@@ -439,11 +455,8 @@ struct commit_list *copy_commit_list(struct commit_list *list)
void free_commit_list(struct commit_list *list)
{
- while (list) {
- struct commit_list *temp = list;
- list = temp->next;
- free(temp);
- }
+ while (list)
+ pop_commit(&list);
}
struct commit_list * commit_list_insert_by_date(struct commit *item, struct commit_list **list)
@@ -489,12 +502,8 @@ void commit_list_sort_by_date(struct commit_list **list)
struct commit *pop_most_recent_commit(struct commit_list **list,
unsigned int mark)
{
- struct commit *ret = (*list)->item;
+ struct commit *ret = pop_commit(list);
struct commit_list *parents = ret->parents;
- struct commit_list *old = *list;
-
- *list = (*list)->next;
- free(old);
while (parents) {
struct commit *commit = parents->item;
@@ -554,7 +563,7 @@ void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark)
for (i = 0; i < a->nr; i++) {
object = a->objects[i].item;
- commit = lookup_commit_reference_gently(object->sha1, 1);
+ commit = lookup_commit_reference_gently(object->oid.hash, 1);
if (commit)
clear_commit_marks(commit, mark);
}
@@ -845,11 +854,9 @@ static struct commit_list *merge_bases_many(struct commit *one, int n, struct co
list = paint_down_to_common(one, n, twos);
while (list) {
- struct commit_list *next = list->next;
- if (!(list->item->object.flags & STALE))
- commit_list_insert_by_date(list->item, &result);
- free(list);
- list = next;
+ struct commit *commit = pop_commit(&list);
+ if (!(commit->object.flags & STALE))
+ commit_list_insert_by_date(commit, &result);
}
return result;
}
@@ -896,7 +903,7 @@ static int remove_redundant(struct commit **array, int cnt)
work = xcalloc(cnt, sizeof(*work));
redundant = xcalloc(cnt, 1);
- filled_index = xmalloc(sizeof(*filled_index) * (cnt - 1));
+ ALLOC_ARRAY(filled_index, cnt - 1);
for (i = 0; i < cnt; i++)
parse_commit(array[i]);
@@ -1085,9 +1092,14 @@ static int do_sign_commit(struct strbuf *buf, const char *keyid)
{
struct strbuf sig = STRBUF_INIT;
int inspos, copypos;
+ const char *eoh;
/* find the end of the header */
- inspos = strstr(buf->buf, "\n\n") - buf->buf + 1;
+ eoh = strstr(buf->buf, "\n\n");
+ if (!eoh)
+ inspos = buf->len;
+ else
+ inspos = eoh - buf->buf + 1;
if (!keyid || !*keyid)
keyid = get_signing_key();
@@ -1199,7 +1211,7 @@ static void handle_signed_tag(struct commit *parent, struct commit_extra_header
desc = merge_remote_util(parent);
if (!desc || !desc->obj)
return;
- buf = read_sha1_file(desc->obj->sha1, &type, &size);
+ buf = read_sha1_file(desc->obj->oid.hash, &type, &size);
if (!buf || type != OBJ_TAG)
goto free_return;
len = parse_signature(buf, size);
@@ -1228,33 +1240,24 @@ free_return:
free(buf);
}
-void check_commit_signature(const struct commit *commit, struct signature_check *sigc)
+int check_commit_signature(const struct commit *commit, struct signature_check *sigc)
{
struct strbuf payload = STRBUF_INIT;
struct strbuf signature = STRBUF_INIT;
- struct strbuf gpg_output = STRBUF_INIT;
- struct strbuf gpg_status = STRBUF_INIT;
- int status;
+ int ret = 1;
sigc->result = 'N';
if (parse_signed_commit(commit, &payload, &signature) <= 0)
goto out;
- status = verify_signed_buffer(payload.buf, payload.len,
- signature.buf, signature.len,
- &gpg_output, &gpg_status);
- if (status && !gpg_output.len)
- goto out;
- sigc->payload = strbuf_detach(&payload, NULL);
- sigc->gpg_output = strbuf_detach(&gpg_output, NULL);
- sigc->gpg_status = strbuf_detach(&gpg_status, NULL);
- parse_gpg_output(sigc);
+ ret = check_signature(payload.buf, payload.len, signature.buf,
+ signature.len, sigc);
out:
- strbuf_release(&gpg_status);
- strbuf_release(&gpg_output);
strbuf_release(&payload);
strbuf_release(&signature);
+
+ return ret;
}
@@ -1539,13 +1542,9 @@ int commit_tree_extended(const char *msg, size_t msg_len,
* if everything else stays the same.
*/
while (parents) {
- struct commit_list *next = parents->next;
- struct commit *parent = parents->item;
-
+ struct commit *parent = pop_commit(&parents);
strbuf_addf(&buffer, "parent %s\n",
- sha1_to_hex(parent->object.sha1));
- free(parents);
- parents = next;
+ oid_to_hex(&parent->object.oid));
}
/* Person/date information */
@@ -1581,10 +1580,10 @@ struct commit *get_merge_parent(const char *name)
{
struct object *obj;
struct commit *commit;
- unsigned char sha1[20];
- if (get_sha1(name, sha1))
+ struct object_id oid;
+ if (get_sha1(name, oid.hash))
return NULL;
- obj = parse_object(sha1);
+ obj = parse_object(oid.hash);
commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT);
if (commit && !commit->util) {
struct merge_remote_desc *desc;
@@ -1629,7 +1628,7 @@ void print_commit_list(struct commit_list *list,
{
for ( ; list; list = list->next) {
const char *format = list->next ? format_cur : format_last;
- printf(format, sha1_to_hex(list->item->object.sha1));
+ printf(format, oid_to_hex(&list->item->object.oid));
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 14:03:54 +0000