mirror of
https://github.com/git/git.git
synced 2024-10-31 22:37:54 +01:00
588c038ac6
* sb/dashless: Make usage strings dash-less t/: Use "test_must_fail git" instead of "! git" t/test-lib.sh: exit with small negagive int is ok with test_must_fail Conflicts: builtin-blame.c builtin-mailinfo.c builtin-mailsplit.c builtin-shortlog.c git-am.sh t/t4150-am.sh t/t4200-rerere.sh
392 lines
8.7 KiB
C
392 lines
8.7 KiB
C
#include "builtin.h"
|
|
#include "cache.h"
|
|
#include "commit.h"
|
|
#include "diff.h"
|
|
#include "revision.h"
|
|
#include "tag.h"
|
|
|
|
static const char *fmt_merge_msg_usage =
|
|
"git fmt-merge-msg [--log] [--no-log] [--file <file>]";
|
|
|
|
static int merge_summary;
|
|
|
|
static int fmt_merge_msg_config(const char *key, const char *value, void *cb)
|
|
{
|
|
static int found_merge_log = 0;
|
|
if (!strcmp("merge.log", key)) {
|
|
found_merge_log = 1;
|
|
merge_summary = git_config_bool(key, value);
|
|
}
|
|
if (!found_merge_log && !strcmp("merge.summary", key))
|
|
merge_summary = git_config_bool(key, value);
|
|
return 0;
|
|
}
|
|
|
|
struct list {
|
|
char **list;
|
|
void **payload;
|
|
unsigned nr, alloc;
|
|
};
|
|
|
|
static void append_to_list(struct list *list, char *value, void *payload)
|
|
{
|
|
if (list->nr == list->alloc) {
|
|
list->alloc += 32;
|
|
list->list = xrealloc(list->list, sizeof(char *) * list->alloc);
|
|
list->payload = xrealloc(list->payload,
|
|
sizeof(char *) * list->alloc);
|
|
}
|
|
list->payload[list->nr] = payload;
|
|
list->list[list->nr++] = value;
|
|
}
|
|
|
|
static int find_in_list(struct list *list, char *value)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < list->nr; i++)
|
|
if (!strcmp(list->list[i], value))
|
|
return i;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void free_list(struct list *list)
|
|
{
|
|
int i;
|
|
|
|
if (list->alloc == 0)
|
|
return;
|
|
|
|
for (i = 0; i < list->nr; i++) {
|
|
free(list->list[i]);
|
|
free(list->payload[i]);
|
|
}
|
|
free(list->list);
|
|
free(list->payload);
|
|
list->nr = list->alloc = 0;
|
|
}
|
|
|
|
struct src_data {
|
|
struct list branch, tag, r_branch, generic;
|
|
int head_status;
|
|
};
|
|
|
|
static struct list srcs = { NULL, NULL, 0, 0};
|
|
static struct list origins = { NULL, NULL, 0, 0};
|
|
|
|
static int handle_line(char *line)
|
|
{
|
|
int i, len = strlen(line);
|
|
unsigned char *sha1;
|
|
char *src, *origin;
|
|
struct src_data *src_data;
|
|
int pulling_head = 0;
|
|
|
|
if (len < 43 || line[40] != '\t')
|
|
return 1;
|
|
|
|
if (!prefixcmp(line + 41, "not-for-merge"))
|
|
return 0;
|
|
|
|
if (line[41] != '\t')
|
|
return 2;
|
|
|
|
line[40] = 0;
|
|
sha1 = xmalloc(20);
|
|
i = get_sha1(line, sha1);
|
|
line[40] = '\t';
|
|
if (i)
|
|
return 3;
|
|
|
|
if (line[len - 1] == '\n')
|
|
line[len - 1] = 0;
|
|
line += 42;
|
|
|
|
src = strstr(line, " of ");
|
|
if (src) {
|
|
*src = 0;
|
|
src += 4;
|
|
pulling_head = 0;
|
|
} else {
|
|
src = line;
|
|
pulling_head = 1;
|
|
}
|
|
|
|
i = find_in_list(&srcs, src);
|
|
if (i < 0) {
|
|
i = srcs.nr;
|
|
append_to_list(&srcs, xstrdup(src),
|
|
xcalloc(1, sizeof(struct src_data)));
|
|
}
|
|
src_data = srcs.payload[i];
|
|
|
|
if (pulling_head) {
|
|
origin = xstrdup(src);
|
|
src_data->head_status |= 1;
|
|
} else if (!prefixcmp(line, "branch ")) {
|
|
origin = xstrdup(line + 7);
|
|
append_to_list(&src_data->branch, origin, NULL);
|
|
src_data->head_status |= 2;
|
|
} else if (!prefixcmp(line, "tag ")) {
|
|
origin = line;
|
|
append_to_list(&src_data->tag, xstrdup(origin + 4), NULL);
|
|
src_data->head_status |= 2;
|
|
} else if (!prefixcmp(line, "remote branch ")) {
|
|
origin = xstrdup(line + 14);
|
|
append_to_list(&src_data->r_branch, origin, NULL);
|
|
src_data->head_status |= 2;
|
|
} else {
|
|
origin = xstrdup(src);
|
|
append_to_list(&src_data->generic, xstrdup(line), NULL);
|
|
src_data->head_status |= 2;
|
|
}
|
|
|
|
if (!strcmp(".", src) || !strcmp(src, origin)) {
|
|
int len = strlen(origin);
|
|
if (origin[0] == '\'' && origin[len - 1] == '\'') {
|
|
origin = xmemdupz(origin + 1, len - 2);
|
|
} else {
|
|
origin = xstrdup(origin);
|
|
}
|
|
} else {
|
|
char *new_origin = xmalloc(strlen(origin) + strlen(src) + 5);
|
|
sprintf(new_origin, "%s of %s", origin, src);
|
|
origin = new_origin;
|
|
}
|
|
append_to_list(&origins, origin, sha1);
|
|
return 0;
|
|
}
|
|
|
|
static void print_joined(const char *singular, const char *plural,
|
|
struct list *list, struct strbuf *out)
|
|
{
|
|
if (list->nr == 0)
|
|
return;
|
|
if (list->nr == 1) {
|
|
strbuf_addf(out, "%s%s", singular, list->list[0]);
|
|
} else {
|
|
int i;
|
|
strbuf_addstr(out, plural);
|
|
for (i = 0; i < list->nr - 1; i++)
|
|
strbuf_addf(out, "%s%s", i > 0 ? ", " : "", list->list[i]);
|
|
strbuf_addf(out, " and %s", list->list[list->nr - 1]);
|
|
}
|
|
}
|
|
|
|
static void shortlog(const char *name, unsigned char *sha1,
|
|
struct commit *head, struct rev_info *rev, int limit,
|
|
struct strbuf *out)
|
|
{
|
|
int i, count = 0;
|
|
struct commit *commit;
|
|
struct object *branch;
|
|
struct list subjects = { NULL, NULL, 0, 0 };
|
|
int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED;
|
|
|
|
branch = deref_tag(parse_object(sha1), sha1_to_hex(sha1), 40);
|
|
if (!branch || branch->type != OBJ_COMMIT)
|
|
return;
|
|
|
|
setup_revisions(0, NULL, rev, NULL);
|
|
rev->ignore_merges = 1;
|
|
add_pending_object(rev, branch, name);
|
|
add_pending_object(rev, &head->object, "^HEAD");
|
|
head->object.flags |= UNINTERESTING;
|
|
if (prepare_revision_walk(rev))
|
|
die("revision walk setup failed");
|
|
while ((commit = get_revision(rev)) != NULL) {
|
|
char *oneline, *bol, *eol;
|
|
|
|
/* ignore merges */
|
|
if (commit->parents && commit->parents->next)
|
|
continue;
|
|
|
|
count++;
|
|
if (subjects.nr > limit)
|
|
continue;
|
|
|
|
bol = strstr(commit->buffer, "\n\n");
|
|
if (bol) {
|
|
unsigned char c;
|
|
do {
|
|
c = *++bol;
|
|
} while (isspace(c));
|
|
if (!c)
|
|
bol = NULL;
|
|
}
|
|
|
|
if (!bol) {
|
|
append_to_list(&subjects, xstrdup(sha1_to_hex(
|
|
commit->object.sha1)),
|
|
NULL);
|
|
continue;
|
|
}
|
|
|
|
eol = strchr(bol, '\n');
|
|
if (eol) {
|
|
oneline = xmemdupz(bol, eol - bol);
|
|
} else {
|
|
oneline = xstrdup(bol);
|
|
}
|
|
append_to_list(&subjects, oneline, NULL);
|
|
}
|
|
|
|
if (count > limit)
|
|
strbuf_addf(out, "\n* %s: (%d commits)\n", name, count);
|
|
else
|
|
strbuf_addf(out, "\n* %s:\n", name);
|
|
|
|
for (i = 0; i < subjects.nr; i++)
|
|
if (i >= limit)
|
|
strbuf_addf(out, " ...\n");
|
|
else
|
|
strbuf_addf(out, " %s\n", subjects.list[i]);
|
|
|
|
clear_commit_marks((struct commit *)branch, flags);
|
|
clear_commit_marks(head, flags);
|
|
free_commit_list(rev->commits);
|
|
rev->commits = NULL;
|
|
rev->pending.nr = 0;
|
|
|
|
free_list(&subjects);
|
|
}
|
|
|
|
int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
|
|
int limit = 20, i = 0, pos = 0;
|
|
char line[1024];
|
|
char *p = line, *sep = "";
|
|
unsigned char head_sha1[20];
|
|
const char *current_branch;
|
|
|
|
/* get current branch */
|
|
current_branch = resolve_ref("HEAD", head_sha1, 1, NULL);
|
|
if (!current_branch)
|
|
die("No current branch");
|
|
if (!prefixcmp(current_branch, "refs/heads/"))
|
|
current_branch += 11;
|
|
|
|
/* get a line */
|
|
while (pos < in->len) {
|
|
int len;
|
|
char *newline;
|
|
|
|
p = in->buf + pos;
|
|
newline = strchr(p, '\n');
|
|
len = newline ? newline - p : strlen(p);
|
|
pos += len + !!newline;
|
|
i++;
|
|
p[len] = 0;
|
|
if (handle_line(p))
|
|
die ("Error in line %d: %.*s", i, len, p);
|
|
}
|
|
|
|
strbuf_addstr(out, "Merge ");
|
|
for (i = 0; i < srcs.nr; i++) {
|
|
struct src_data *src_data = srcs.payload[i];
|
|
const char *subsep = "";
|
|
|
|
strbuf_addstr(out, sep);
|
|
sep = "; ";
|
|
|
|
if (src_data->head_status == 1) {
|
|
strbuf_addstr(out, srcs.list[i]);
|
|
continue;
|
|
}
|
|
if (src_data->head_status == 3) {
|
|
subsep = ", ";
|
|
strbuf_addstr(out, "HEAD");
|
|
}
|
|
if (src_data->branch.nr) {
|
|
strbuf_addstr(out, subsep);
|
|
subsep = ", ";
|
|
print_joined("branch ", "branches ", &src_data->branch,
|
|
out);
|
|
}
|
|
if (src_data->r_branch.nr) {
|
|
strbuf_addstr(out, subsep);
|
|
subsep = ", ";
|
|
print_joined("remote branch ", "remote branches ",
|
|
&src_data->r_branch, out);
|
|
}
|
|
if (src_data->tag.nr) {
|
|
strbuf_addstr(out, subsep);
|
|
subsep = ", ";
|
|
print_joined("tag ", "tags ", &src_data->tag, out);
|
|
}
|
|
if (src_data->generic.nr) {
|
|
strbuf_addstr(out, subsep);
|
|
print_joined("commit ", "commits ", &src_data->generic,
|
|
out);
|
|
}
|
|
if (strcmp(".", srcs.list[i]))
|
|
strbuf_addf(out, " of %s", srcs.list[i]);
|
|
}
|
|
|
|
if (!strcmp("master", current_branch))
|
|
strbuf_addch(out, '\n');
|
|
else
|
|
strbuf_addf(out, " into %s\n", current_branch);
|
|
|
|
if (merge_summary) {
|
|
struct commit *head;
|
|
struct rev_info rev;
|
|
|
|
head = lookup_commit(head_sha1);
|
|
init_revisions(&rev, NULL);
|
|
rev.commit_format = CMIT_FMT_ONELINE;
|
|
rev.ignore_merges = 1;
|
|
rev.limited = 1;
|
|
|
|
for (i = 0; i < origins.nr; i++)
|
|
shortlog(origins.list[i], origins.payload[i],
|
|
head, &rev, limit, out);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
|
|
{
|
|
FILE *in = stdin;
|
|
struct strbuf input, output;
|
|
int ret;
|
|
|
|
git_config(fmt_merge_msg_config, NULL);
|
|
|
|
while (argc > 1) {
|
|
if (!strcmp(argv[1], "--log") || !strcmp(argv[1], "--summary"))
|
|
merge_summary = 1;
|
|
else if (!strcmp(argv[1], "--no-log")
|
|
|| !strcmp(argv[1], "--no-summary"))
|
|
merge_summary = 0;
|
|
else if (!strcmp(argv[1], "-F") || !strcmp(argv[1], "--file")) {
|
|
if (argc < 3)
|
|
die ("Which file?");
|
|
if (!strcmp(argv[2], "-"))
|
|
in = stdin;
|
|
else {
|
|
fclose(in);
|
|
in = fopen(argv[2], "r");
|
|
if (!in)
|
|
die("cannot open %s", argv[2]);
|
|
}
|
|
argc--; argv++;
|
|
} else
|
|
break;
|
|
argc--; argv++;
|
|
}
|
|
|
|
if (argc > 1)
|
|
usage(fmt_merge_msg_usage);
|
|
|
|
strbuf_init(&input, 0);
|
|
if (strbuf_read(&input, fileno(in), 0) < 0)
|
|
die("could not read input file %s", strerror(errno));
|
|
strbuf_init(&output, 0);
|
|
|
|
ret = fmt_merge_msg(merge_summary, &input, &output);
|
|
if (ret)
|
|
return ret;
|
|
printf("%s", output.buf);
|
|
return 0;
|
|
}
|