#include "cache.h"
#include "tag.h"
#include "commit.h"
+#include "pkt-line.h"
+#include "utf8.h"
int save_commit_buffer = 1;
struct sort_node
{
/*
- * the number of children of the associated commit
- * that also occur in the list being sorted.
- */
+ * the number of children of the associated commit
+ * that also occur in the list being sorted.
+ */
unsigned int indegree;
/*
- * reference to original list item that we will re-use
- * on output.
- */
+ * reference to original list item that we will re-use
+ * on output.
+ */
struct commit_list * list_item;
};
const unsigned char *sha1,
int quiet)
{
- if (obj->type != TYPE_COMMIT) {
+ if (obj->type != OBJ_COMMIT) {
if (!quiet)
error("Object %s is a %s, not a commit",
sha1_to_hex(sha1), typename(obj->type));
if (!obj) {
struct commit *ret = alloc_commit_node();
created_object(sha1, &ret->object);
- ret->object.type = TYPE_COMMIT;
+ ret->object.type = OBJ_COMMIT;
return ret;
}
if (!obj->type)
- obj->type = TYPE_COMMIT;
+ obj->type = OBJ_COMMIT;
return check_commit(obj, sha1, 0);
}
while (lo < hi) {
int mi = (lo + hi) / 2;
struct commit_graft *graft = commit_graft[mi];
- int cmp = memcmp(sha1, graft->sha1, 20);
+ int cmp = hashcmp(sha1, graft->sha1);
if (!cmp)
return mi;
if (cmp < 0)
return 0;
}
-void free_commit_grafts(void)
-{
- int pos = commit_graft_nr;
- while (pos >= 0)
- free(commit_graft[pos--]);
- commit_graft_nr = 0;
-}
-
struct commit_graft *read_graft_line(char *buf, int len)
{
/* The format is just "Commit Parent1 Parent2 ...\n" */
static void prepare_commit_graft(void)
{
static int commit_graft_prepared;
- static char *last_graft_file;
- char *graft_file = get_graft_file();
-
- if (last_graft_file) {
- if (!strcmp(graft_file, last_graft_file))
- return;
- free_commit_grafts();
- }
- if (last_graft_file)
- free(last_graft_file);
- last_graft_file = strdup(graft_file);
+ char *graft_file;
+ if (commit_graft_prepared)
+ return;
+ graft_file = get_graft_file();
read_graft_file(graft_file);
+ /* make sure shallows are read */
+ is_repository_shallow();
commit_graft_prepared = 1;
}
return commit_graft[pos];
}
+int write_shallow_commits(int fd, int use_pack_protocol)
+{
+ int i, count = 0;
+ for (i = 0; i < commit_graft_nr; i++)
+ if (commit_graft[i]->nr_parent < 0) {
+ const char *hex =
+ sha1_to_hex(commit_graft[i]->sha1);
+ count++;
+ if (use_pack_protocol)
+ packet_write(fd, "shallow %s", hex);
+ else {
+ write(fd, hex, 40);
+ write(fd, "\n", 1);
+ }
+ }
+ return count;
+}
+
+int unregister_shallow(const unsigned char *sha1)
+{
+ int pos = commit_graft_pos(sha1);
+ if (pos < 0)
+ return -1;
+ if (pos + 1 < commit_graft_nr)
+ memcpy(commit_graft + pos, commit_graft + pos + 1,
+ sizeof(struct commit_graft *)
+ * (commit_graft_nr - pos - 1));
+ commit_graft_nr--;
+ return 0;
+}
+
int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
{
char *tail = buffer;
{
struct commit_list *parents;
- parents = commit->parents;
commit->object.flags &= ~mark;
+ parents = commit->parents;
while (parents) {
struct commit *parent = parents->item;
- if (parent && parent->object.parsed &&
- (parent->object.flags & mark))
+
+ /* Have we already cleared this? */
+ if (mark & parent->object.flags)
clear_commit_marks(parent, mark);
parents = parents->next;
}
return bp - buf;
}
-static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const char *line)
+static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf,
+ const char *line, int relative_date)
{
char *date;
int namelen;
}
switch (fmt) {
case CMIT_FMT_MEDIUM:
- ret += sprintf(buf + ret, "Date: %s\n", show_date(time, tz));
+ ret += sprintf(buf + ret, "Date: %s\n",
+ show_date(time, tz, relative_date));
break;
case CMIT_FMT_EMAIL:
ret += sprintf(buf + ret, "Date: %s\n",
show_rfc2822_date(time, tz));
break;
case CMIT_FMT_FULLER:
- ret += sprintf(buf + ret, "%sDate: %s\n", what, show_date(time, tz));
+ ret += sprintf(buf + ret, "%sDate: %s\n", what,
+ show_date(time, tz, relative_date));
break;
default:
/* notin' */
while (parent) {
struct commit *p = parent->item;
- const char *hex = abbrev
- ? find_unique_abbrev(p->object.sha1, abbrev)
- : sha1_to_hex(p->object.sha1);
- const char *dots = (abbrev && strlen(hex) != 40) ? "..." : "";
+ const char *hex = NULL;
+ const char *dots;
+ if (abbrev)
+ hex = find_unique_abbrev(p->object.sha1, abbrev);
+ if (!hex)
+ hex = sha1_to_hex(p->object.sha1);
+ dots = (abbrev && strlen(hex) != 40) ? "..." : "";
parent = parent->next;
offset += sprintf(buf + offset, " %s%s", hex, dots);
return offset;
}
-unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject)
+static char *get_header(const struct commit *commit, const char *key)
+{
+ int key_len = strlen(key);
+ const char *line = commit->buffer;
+
+ for (;;) {
+ const char *eol = strchr(line, '\n'), *next;
+
+ if (line == eol)
+ return NULL;
+ if (!eol) {
+ eol = line + strlen(line);
+ next = NULL;
+ } else
+ next = eol + 1;
+ if (!strncmp(line, key, key_len) && line[key_len] == ' ') {
+ int len = eol - line - key_len;
+ char *ret = xmalloc(len);
+ memcpy(ret, line + key_len + 1, len - 1);
+ ret[len - 1] = '\0';
+ return ret;
+ }
+ line = next;
+ }
+}
+
+static char *logmsg_reencode(const struct commit *commit)
+{
+ char *encoding;
+ char *out;
+ char *output_encoding = (git_log_output_encoding
+ ? git_log_output_encoding
+ : git_commit_encoding);
+
+ if (!output_encoding)
+ return NULL;
+ encoding = get_header(commit, "encoding");
+ if (!encoding || !strcmp(encoding, output_encoding)) {
+ free(encoding);
+ return NULL;
+ }
+ out = reencode_string(commit->buffer, output_encoding, encoding);
+ free(encoding);
+ if (!out)
+ return NULL;
+ return out;
+}
+
+unsigned long pretty_print_commit(enum cmit_fmt fmt,
+ const struct commit *commit,
+ unsigned long len,
+ char *buf, unsigned long space,
+ int abbrev, const char *subject,
+ const char *after_subject,
+ int relative_date)
{
int hdr = 1, body = 0;
unsigned long offset = 0;
int parents_shown = 0;
const char *msg = commit->buffer;
int plain_non_ascii = 0;
+ char *reencoded = logmsg_reencode(commit);
+
+ if (reencoded)
+ msg = reencoded;
if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)
indent = 0;
for (in_body = i = 0; (ch = msg[i]) && i < len; i++) {
if (!in_body) {
/* author could be non 7-bit ASCII but
- * the log may so; skip over the
+ * the log may be so; skip over the
* header part first.
*/
if (ch == '\n' &&
if (!memcmp(line, "author ", 7))
offset += add_user_info("Author", fmt,
buf + offset,
- line + 7);
+ line + 7,
+ relative_date);
if (!memcmp(line, "committer ", 10) &&
(fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER))
offset += add_user_info("Commit", fmt,
buf + offset,
- line + 10);
+ line + 10,
+ relative_date);
continue;
}
+ if (!subject)
+ body = 1;
+
if (is_empty_line(line, &linelen)) {
if (!body)
continue;
continue;
if (fmt == CMIT_FMT_SHORT)
break;
- } else {
- body = 1;
}
if (subject) {
/* Make sure there is an EOLN for the non-oneline case */
if (fmt != CMIT_FMT_ONELINE)
buf[offset++] = '\n';
+ /*
+ * make sure there is another EOLN to separate the headers from whatever
+ * body the caller appends if we haven't already written a body
+ */
+ if (fmt == CMIT_FMT_EMAIL && !body)
+ buf[offset++] = '\n';
buf[offset] = '\0';
+
+ free(reencoded);
return offset;
}
int count_parents(struct commit * commit)
{
- int count = 0;
+ int count;
struct commit_list * parents = commit->parents;
- for (count=0;parents; parents=parents->next,count++)
- ;
+ for (count = 0; parents; parents = parents->next,count++)
+ ;
return count;
}
}
free(nodes);
}
+
+/* merge-rebase stuff */
+
+/* bits #0..15 in revision.h */
+#define PARENT1 (1u<<16)
+#define PARENT2 (1u<<17)
+#define STALE (1u<<18)
+#define RESULT (1u<<19)
+
+static struct commit *interesting(struct commit_list *list)
+{
+ while (list) {
+ struct commit *commit = list->item;
+ list = list->next;
+ if (commit->object.flags & STALE)
+ continue;
+ return commit;
+ }
+ return NULL;
+}
+
+static struct commit_list *merge_bases(struct commit *one, struct commit *two)
+{
+ struct commit_list *list = NULL;
+ struct commit_list *result = NULL;
+
+ if (one == two)
+ /* We do not mark this even with RESULT so we do not
+ * have to clean it up.
+ */
+ return commit_list_insert(one, &result);
+
+ parse_commit(one);
+ parse_commit(two);
+
+ one->object.flags |= PARENT1;
+ two->object.flags |= PARENT2;
+ insert_by_date(one, &list);
+ insert_by_date(two, &list);
+
+ while (interesting(list)) {
+ struct commit *commit;
+ struct commit_list *parents;
+ struct commit_list *n;
+ int flags;
+
+ commit = list->item;
+ n = list->next;
+ free(list);
+ list = n;
+
+ flags = commit->object.flags & (PARENT1 | PARENT2 | STALE);
+ if (flags == (PARENT1 | PARENT2)) {
+ if (!(commit->object.flags & RESULT)) {
+ commit->object.flags |= RESULT;
+ insert_by_date(commit, &result);
+ }
+ /* Mark parents of a found merge stale */
+ flags |= STALE;
+ }
+ parents = commit->parents;
+ while (parents) {
+ struct commit *p = parents->item;
+ parents = parents->next;
+ if ((p->object.flags & flags) == flags)
+ continue;
+ parse_commit(p);
+ p->object.flags |= flags;
+ insert_by_date(p, &list);
+ }
+ }
+
+ /* Clean up the result to remove stale ones */
+ list = result; result = NULL;
+ while (list) {
+ struct commit_list *n = list->next;
+ if (!(list->item->object.flags & STALE))
+ insert_by_date(list->item, &result);
+ free(list);
+ list = n;
+ }
+ return result;
+}
+
+struct commit_list *get_merge_bases(struct commit *one,
+ struct commit *two,
+ int cleanup)
+{
+ const unsigned all_flags = (PARENT1 | PARENT2 | STALE | RESULT);
+ struct commit_list *list;
+ struct commit **rslt;
+ struct commit_list *result;
+ int cnt, i, j;
+
+ result = merge_bases(one, two);
+ if (one == two)
+ return result;
+ if (!result || !result->next) {
+ if (cleanup) {
+ clear_commit_marks(one, all_flags);
+ clear_commit_marks(two, all_flags);
+ }
+ return result;
+ }
+
+ /* There are more than one */
+ cnt = 0;
+ list = result;
+ while (list) {
+ list = list->next;
+ cnt++;
+ }
+ rslt = xcalloc(cnt, sizeof(*rslt));
+ for (list = result, i = 0; list; list = list->next)
+ rslt[i++] = list->item;
+ free_commit_list(result);
+
+ clear_commit_marks(one, all_flags);
+ clear_commit_marks(two, all_flags);
+ for (i = 0; i < cnt - 1; i++) {
+ for (j = i+1; j < cnt; j++) {
+ if (!rslt[i] || !rslt[j])
+ continue;
+ result = merge_bases(rslt[i], rslt[j]);
+ clear_commit_marks(rslt[i], all_flags);
+ clear_commit_marks(rslt[j], all_flags);
+ for (list = result; list; list = list->next) {
+ if (rslt[i] == list->item)
+ rslt[i] = NULL;
+ if (rslt[j] == list->item)
+ rslt[j] = NULL;
+ }
+ }
+ }
+
+ /* Surviving ones in rslt[] are the independent results */
+ result = NULL;
+ for (i = 0; i < cnt; i++) {
+ if (rslt[i])
+ insert_by_date(rslt[i], &result);
+ }
+ free(rslt);
+ return result;
+}
+
+int in_merge_bases(struct commit *rev1, struct commit *rev2)
+{
+ struct commit_list *bases, *b;
+ int ret = 0;
+
+ bases = get_merge_bases(rev1, rev2, 1);
+ for (b = bases; b; b = b->next) {
+ if (!hashcmp(rev1->object.sha1, b->item->object.sha1)) {
+ ret = 1;
+ break;
+ }
+ }
+
+ free_commit_list(bases);
+ return ret;
+}