summaryrefslogtreecommitdiff
path: root/commit.c
diff options
context:
space:
mode:
Diffstat (limited to 'commit.c')
-rw-r--r--commit.c99
1 files changed, 47 insertions, 52 deletions
diff --git a/commit.c b/commit.c
index 57ebea2aee..f4793316a2 100644
--- a/commit.c
+++ b/commit.c
@@ -10,6 +10,7 @@
#include "mergesort.h"
#include "commit-slab.h"
#include "prio-queue.h"
+#include "sha1-lookup.h"
static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
@@ -79,7 +80,7 @@ struct commit *lookup_commit_reference_by_name(const char *name)
if (get_sha1_committish(name, sha1))
return NULL;
commit = lookup_commit_reference(sha1);
- if (!commit || parse_commit(commit))
+ if (parse_commit(commit))
return NULL;
return commit;
}
@@ -114,23 +115,16 @@ static unsigned long parse_commit_date(const char *buf, const char *tail)
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]->sha1;
+}
+
static int commit_graft_pos(const unsigned char *sha1)
{
- int lo, hi;
- lo = 0;
- hi = commit_graft_nr;
- while (lo < hi) {
- int mi = (lo + hi) / 2;
- struct commit_graft *graft = commit_graft[mi];
- int cmp = hashcmp(sha1, graft->sha1);
- if (!cmp)
- return mi;
- if (cmp < 0)
- hi = mi;
- else
- lo = mi + 1;
- }
- return -lo - 1;
+ return sha1_pos(sha1, commit_graft, commit_graft_nr,
+ commit_graft_sha1_access);
}
int register_commit_graft(struct commit_graft *graft, int ignore_dups)
@@ -147,12 +141,8 @@ int register_commit_graft(struct commit_graft *graft, int ignore_dups)
return 1;
}
pos = -pos - 1;
- if (commit_graft_alloc <= ++commit_graft_nr) {
- commit_graft_alloc = alloc_nr(commit_graft_alloc);
- commit_graft = xrealloc(commit_graft,
- sizeof(*commit_graft) *
- commit_graft_alloc);
- }
+ 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,
@@ -341,6 +331,13 @@ int parse_commit(struct commit *item)
return ret;
}
+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)");
+}
+
int find_commit_subject(const char *commit_buffer, const char **subject)
{
const char *eol;
@@ -541,7 +538,7 @@ define_commit_slab(author_date_slab, unsigned long);
static void record_author_date(struct author_date_slab *author_date,
struct commit *commit)
{
- const char *buf, *line_end;
+ const char *buf, *line_end, *ident_line;
char *buffer = NULL;
struct ident_split ident;
char *date_end;
@@ -559,14 +556,14 @@ static void record_author_date(struct author_date_slab *author_date,
buf;
buf = line_end + 1) {
line_end = strchrnul(buf, '\n');
- if (prefixcmp(buf, "author ")) {
+ ident_line = skip_prefix(buf, "author ");
+ if (!ident_line) {
if (!line_end[0] || line_end[1] == '\n')
return; /* end of header */
continue;
}
if (split_ident_line(&ident,
- buf + strlen("author "),
- line_end - (buf + strlen("author "))) ||
+ ident_line, line_end - ident_line) ||
!ident.date_begin || !ident.date_end)
goto fail_exit; /* malformed "author" line */
break;
@@ -724,7 +721,7 @@ void sort_in_topological_order(struct commit_list **list, enum rev_sort_order so
/* merge-base stuff */
-/* bits #0..15 in revision.h */
+/* Remember to update object flag allocation in object.h */
#define PARENT1 (1u<<16)
#define PARENT2 (1u<<17)
#define STALE (1u<<18)
@@ -834,26 +831,26 @@ static struct commit_list *merge_bases_many(struct commit *one, int n, struct co
struct commit_list *get_octopus_merge_bases(struct commit_list *in)
{
struct commit_list *i, *j, *k, *ret = NULL;
- struct commit_list **pptr = &ret;
- for (i = in; i; i = i->next) {
- if (!ret)
- pptr = &commit_list_insert(i->item, pptr)->next;
- else {
- struct commit_list *new = NULL, *end = NULL;
-
- for (j = ret; j; j = j->next) {
- struct commit_list *bases;
- bases = get_merge_bases(i->item, j->item, 1);
- if (!new)
- new = bases;
- else
- end->next = bases;
- for (k = bases; k; k = k->next)
- end = k;
- }
- ret = new;
+ if (!in)
+ return ret;
+
+ commit_list_insert(in->item, &ret);
+
+ for (i = in->next; i; i = i->next) {
+ struct commit_list *new = NULL, *end = NULL;
+
+ for (j = ret; j; j = j->next) {
+ struct commit_list *bases;
+ bases = get_merge_bases(i->item, j->item, 1);
+ if (!new)
+ new = bases;
+ else
+ end->next = bases;
+ for (k = bases; k; k = k->next)
+ end = k;
}
+ ret = new;
}
return ret;
}
@@ -1106,7 +1103,7 @@ int parse_signed_commit(const unsigned char *sha1,
next = next ? next + 1 : tail;
if (in_signature && line[0] == ' ')
sig = line + 1;
- else if (!prefixcmp(line, gpg_sig_header) &&
+ else if (starts_with(line, gpg_sig_header) &&
line[gpg_sig_header_len] == ' ')
sig = line + gpg_sig_header_len + 1;
if (sig) {
@@ -1186,10 +1183,8 @@ static void parse_gpg_output(struct signature_check *sigc)
for (i = 0; i < ARRAY_SIZE(sigcheck_gpg_status); i++) {
const char *found, *next;
- if (!prefixcmp(buf, sigcheck_gpg_status[i].check + 1)) {
- /* At the very beginning of the buffer */
- found = buf + strlen(sigcheck_gpg_status[i].check + 1);
- } else {
+ found = skip_prefix(buf, sigcheck_gpg_status[i].check + 1);
+ if (!found) {
found = strstr(buf, sigcheck_gpg_status[i].check);
if (!found)
continue;
@@ -1349,7 +1344,7 @@ void free_commit_extra_headers(struct commit_extra_header *extra)
}
}
-int commit_tree(const struct strbuf *msg, unsigned char *tree,
+int commit_tree(const struct strbuf *msg, const unsigned char *tree,
struct commit_list *parents, unsigned char *ret,
const char *author, const char *sign_commit)
{
@@ -1478,7 +1473,7 @@ static const char commit_utf8_warn[] =
"You may want to amend it after fixing the message, or set the config\n"
"variable i18n.commitencoding to the encoding your project uses.\n";
-int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
+int commit_tree_extended(const struct strbuf *msg, const unsigned char *tree,
struct commit_list *parents, unsigned char *ret,
const char *author, const char *sign_commit,
struct commit_extra_header *extra)