#include "diff.h"
#include "revision.h"
#include "tag.h"
+#include "string-list.h"
+#include "branch.h"
+#include "fmt-merge-msg.h"
+#include "gpg-interface.h"
static const char * const fmt_merge_msg_usage[] = {
- "git fmt-merge-msg [--log|--no-log] [--file <file>]",
+ "git fmt-merge-msg [-m <message>] [--log[=<n>]|--no-log] [--file <file>]",
NULL
};
-static int merge_summary;
+static int use_branch_desc;
-static int fmt_merge_msg_config(const char *key, const char *value, void *cb)
+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 (!strcmp(key, "merge.log") || !strcmp(key, "merge.summary")) {
+ int is_bool;
+ merge_log_config = git_config_bool_or_int(key, value, &is_bool);
+ if (!is_bool && merge_log_config < 0)
+ return error("%s: negative length %s", key, value);
+ if (is_bool && merge_log_config)
+ merge_log_config = DEFAULT_MERGE_LOG_LEN;
+ } else if (!strcmp(key, "merge.branchdesc")) {
+ use_branch_desc = 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;
+/* merge data per repository where the merged tips came from */
+struct src_data {
+ struct string_list branch, tag, r_branch, generic;
+ int head_status;
};
-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;
-}
+struct origin_data {
+ unsigned char sha1[20];
+ unsigned is_local_branch:1;
+};
-static int find_in_list(struct list *list, char *value)
+static void init_src_data(struct src_data *data)
{
- int i;
-
- for (i = 0; i < list->nr; i++)
- if (!strcmp(list->list[i], value))
- return i;
-
- return -1;
+ data->branch.strdup_strings = 1;
+ data->tag.strdup_strings = 1;
+ data->r_branch.strdup_strings = 1;
+ data->generic.strdup_strings = 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 struct string_list srcs = STRING_LIST_INIT_DUP;
+static struct string_list origins = STRING_LIST_INIT_DUP;
static int handle_line(char *line)
{
int i, len = strlen(line);
- unsigned char *sha1;
+ struct origin_data *origin_data;
char *src, *origin;
struct src_data *src_data;
+ struct string_list_item *item;
int pulling_head = 0;
if (len < 43 || line[40] != '\t')
return 2;
line[40] = 0;
- sha1 = xmalloc(20);
- i = get_sha1(line, sha1);
+ origin_data = xcalloc(1, sizeof(struct origin_data));
+ i = get_sha1(line, origin_data->sha1);
line[40] = '\t';
- if (i)
+ if (i) {
+ free(origin_data);
return 3;
+ }
if (line[len - 1] == '\n')
line[len - 1] = 0;
line += 42;
+ /*
+ * At this point, line points at the beginning of comment e.g.
+ * "branch 'frotz' of git://that/repository.git".
+ * Find the repository name and point it with src.
+ */
src = strstr(line, " of ");
if (src) {
*src = 0;
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)));
+ item = unsorted_string_list_lookup(&srcs, src);
+ if (!item) {
+ item = string_list_append(&srcs, src);
+ item->util = xcalloc(1, sizeof(struct src_data));
+ init_src_data(item->util);
}
- src_data = srcs.payload[i];
+ src_data = item->util;
if (pulling_head) {
- origin = xstrdup(src);
+ origin = src;
src_data->head_status |= 1;
} else if (!prefixcmp(line, "branch ")) {
- origin = xstrdup(line + 7);
- append_to_list(&src_data->branch, origin, NULL);
+ origin_data->is_local_branch = 1;
+ origin = line + 7;
+ string_list_append(&src_data->branch, origin);
src_data->head_status |= 2;
} else if (!prefixcmp(line, "tag ")) {
origin = line;
- append_to_list(&src_data->tag, xstrdup(origin + 4), NULL);
+ string_list_append(&src_data->tag, origin + 4);
src_data->head_status |= 2;
- } else if (!prefixcmp(line, "remote branch ")) {
- origin = xstrdup(line + 14);
- append_to_list(&src_data->r_branch, origin, NULL);
+ } else if (!prefixcmp(line, "remote-tracking branch ")) {
+ origin = line + strlen("remote-tracking branch ");
+ string_list_append(&src_data->r_branch, origin);
src_data->head_status |= 2;
} else {
- origin = xstrdup(src);
- append_to_list(&src_data->generic, xstrdup(line), NULL);
+ origin = src;
+ string_list_append(&src_data->generic, line);
src_data->head_status |= 2;
}
if (!strcmp(".", src) || !strcmp(src, origin)) {
int len = strlen(origin);
- if (origin[0] == '\'' && origin[len - 1] == '\'') {
+ 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);
+ if (strcmp(".", src))
+ origin_data->is_local_branch = 0;
+ string_list_append(&origins, origin)->util = origin_data;
return 0;
}
static void print_joined(const char *singular, const char *plural,
- struct list *list, struct strbuf *out)
+ struct string_list *list, struct strbuf *out)
{
if (list->nr == 0)
return;
if (list->nr == 1) {
- strbuf_addf(out, "%s%s", singular, list->list[0]);
+ strbuf_addf(out, "%s%s", singular, list->items[0].string);
} 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]);
+ strbuf_addf(out, "%s%s", i > 0 ? ", " : "",
+ list->items[i].string);
+ strbuf_addf(out, " and %s", list->items[list->nr - 1].string);
+ }
+}
+
+static void add_branch_desc(struct strbuf *out, const char *name)
+{
+ struct strbuf desc = STRBUF_INIT;
+
+ if (!read_branch_desc(&desc, name)) {
+ const char *bp = desc.buf;
+ while (*bp) {
+ const char *ep = strchrnul(bp, '\n');
+ if (*ep)
+ ep++;
+ strbuf_addf(out, " : %.*s", (int)(ep - bp), bp);
+ bp = ep;
+ }
+ if (out->buf[out->len - 1] != '\n')
+ strbuf_addch(out, '\n');
}
+ strbuf_release(&desc);
}
-static void shortlog(const char *name, unsigned char *sha1,
- struct commit *head, struct rev_info *rev, int limit,
- struct strbuf *out)
+static void shortlog(const char *name,
+ struct origin_data *origin_data,
+ 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 };
+ struct string_list subjects = STRING_LIST_INIT_DUP;
int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED;
+ struct strbuf sb = STRBUF_INIT;
+ const unsigned char *sha1 = origin_data->sha1;
branch = deref_tag(parse_object(sha1), sha1_to_hex(sha1), 40);
if (!branch || branch->type != OBJ_COMMIT)
if (prepare_revision_walk(rev))
die("revision walk setup failed");
while ((commit = get_revision(rev)) != NULL) {
- char *oneline, *bol, *eol;
+ struct pretty_print_context ctx = {0};
/* ignore merges */
if (commit->parents && commit->parents->next)
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;
- }
+ format_commit_message(commit, "%s", &sb, &ctx);
+ strbuf_ltrim(&sb);
- eol = strchr(bol, '\n');
- if (eol) {
- oneline = xmemdupz(bol, eol - bol);
- } else {
- oneline = xstrdup(bol);
- }
- append_to_list(&subjects, oneline, NULL);
+ if (!sb.len)
+ string_list_append(&subjects,
+ sha1_to_hex(commit->object.sha1));
+ else
+ string_list_append(&subjects, strbuf_detach(&sb, NULL));
}
if (count > limit)
else
strbuf_addf(out, "\n* %s:\n", name);
+ if (origin_data->is_local_branch && use_branch_desc)
+ add_branch_desc(out, name);
+
for (i = 0; i < subjects.nr; i++)
if (i >= limit)
strbuf_addf(out, " ...\n");
else
- strbuf_addf(out, " %s\n", subjects.list[i]);
+ strbuf_addf(out, " %s\n", subjects.items[i].string);
clear_commit_marks((struct commit *)branch, flags);
clear_commit_marks(head, flags);
rev->commits = NULL;
rev->pending.nr = 0;
- free_list(&subjects);
+ string_list_clear(&subjects, 0);
}
-int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
- int limit = 20, i = 0, pos = 0;
+static void fmt_merge_msg_title(struct strbuf *out,
+ const char *current_branch) {
+ int i = 0;
char *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];
+ struct src_data *src_data = srcs.items[i].util;
const char *subsep = "";
strbuf_addstr(out, sep);
sep = "; ";
if (src_data->head_status == 1) {
- strbuf_addstr(out, srcs.list[i]);
+ strbuf_addstr(out, srcs.items[i].string);
continue;
}
if (src_data->head_status == 3) {
if (src_data->r_branch.nr) {
strbuf_addstr(out, subsep);
subsep = ", ";
- print_joined("remote branch ", "remote branches ",
+ print_joined("remote-tracking branch ", "remote-tracking branches ",
&src_data->r_branch, out);
}
if (src_data->tag.nr) {
print_joined("commit ", "commits ", &src_data->generic,
out);
}
- if (strcmp(".", srcs.list[i]))
- strbuf_addf(out, " of %s", srcs.list[i]);
+ if (strcmp(".", srcs.items[i].string))
+ strbuf_addf(out, " of %s", srcs.items[i].string);
}
if (!strcmp("master", current_branch))
strbuf_addch(out, '\n');
else
strbuf_addf(out, " into %s\n", current_branch);
+}
+
+static void fmt_tag_signature(struct strbuf *tagbuf,
+ struct strbuf *sig,
+ const char *buf,
+ unsigned long len)
+{
+ const char *tag_body = strstr(buf, "\n\n");
+ if (tag_body) {
+ tag_body += 2;
+ strbuf_add(tagbuf, tag_body, buf + len - tag_body);
+ }
+ strbuf_complete_line(tagbuf);
+ strbuf_add_lines(tagbuf, "# ", sig->buf, sig->len);
+}
+
+static void fmt_merge_msg_sigs(struct strbuf *out)
+{
+ int i, tag_number = 0, first_tag = 0;
+ struct strbuf tagbuf = STRBUF_INIT;
+
+ for (i = 0; i < origins.nr; i++) {
+ unsigned char *sha1 = origins.items[i].util;
+ enum object_type type;
+ unsigned long size, len;
+ char *buf = read_sha1_file(sha1, &type, &size);
+ struct strbuf sig = STRBUF_INIT;
+
+ if (!buf || type != OBJ_TAG)
+ goto next;
+ len = parse_signature(buf, size);
+
+ if (size == len)
+ ; /* merely annotated */
+ else if (verify_signed_buffer(buf, len, buf + len, size - len, &sig)) {
+ if (!sig.len)
+ strbuf_addstr(&sig, "gpg verification failed.\n");
+ }
+
+ if (!tag_number++) {
+ fmt_tag_signature(&tagbuf, &sig, buf, len);
+ first_tag = i;
+ } else {
+ if (tag_number == 2) {
+ struct strbuf tagline = STRBUF_INIT;
+ strbuf_addf(&tagline, "\n# %s\n",
+ origins.items[first_tag].string);
+ strbuf_insert(&tagbuf, 0, tagline.buf,
+ tagline.len);
+ strbuf_release(&tagline);
+ }
+ strbuf_addf(&tagbuf, "\n# %s\n",
+ origins.items[i].string);
+ fmt_tag_signature(&tagbuf, &sig, buf, len);
+ }
+ strbuf_release(&sig);
+ next:
+ free(buf);
+ }
+ if (tagbuf.len) {
+ strbuf_addch(out, '\n');
+ strbuf_addbuf(out, &tagbuf);
+ }
+ strbuf_release(&tagbuf);
+}
+
+int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
+ struct fmt_merge_msg_opts *opts)
+{
+ int i = 0, pos = 0;
+ 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;
+ current_branch = xstrdup(current_branch);
+
+ /* 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);
+ }
+
+ if (opts->add_title && srcs.nr)
+ fmt_merge_msg_title(out, current_branch);
- if (merge_summary) {
+ if (origins.nr)
+ fmt_merge_msg_sigs(out);
+
+ if (opts->shortlog_len) {
struct commit *head;
struct rev_info rev;
- head = lookup_commit(head_sha1);
+ head = lookup_commit_or_die(head_sha1, "HEAD");
init_revisions(&rev, NULL);
rev.commit_format = CMIT_FMT_ONELINE;
rev.ignore_merges = 1;
rev.limited = 1;
+ if (suffixcmp(out->buf, "\n"))
+ strbuf_addch(out, '\n');
+
for (i = 0; i < origins.nr; i++)
- shortlog(origins.list[i], origins.payload[i],
- head, &rev, limit, out);
+ shortlog(origins.items[i].string,
+ origins.items[i].util,
+ head, &rev, opts->shortlog_len, out);
}
+
+ strbuf_complete_line(out);
+ free((char *)current_branch);
return 0;
}
int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
{
const char *inpath = NULL;
+ const char *message = NULL;
+ int shortlog_len = -1;
struct option options[] = {
- OPT_BOOLEAN(0, "log", &merge_summary, "populate log with the shortlog"),
- OPT_BOOLEAN(0, "summary", &merge_summary, "alias for --log"),
+ { OPTION_INTEGER, 0, "log", &shortlog_len, "n",
+ "populate log with at most <n> entries from shortlog",
+ PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN },
+ { OPTION_INTEGER, 0, "summary", &shortlog_len, "n",
+ "alias for --log (deprecated)",
+ PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, NULL,
+ DEFAULT_MERGE_LOG_LEN },
+ OPT_STRING('m', "message", &message, "text",
+ "use <text> as start of message"),
OPT_FILENAME('F', "file", &inpath, "file to read from"),
OPT_END()
};
FILE *in = stdin;
struct strbuf input = STRBUF_INIT, output = STRBUF_INIT;
int ret;
+ struct fmt_merge_msg_opts opts;
git_config(fmt_merge_msg_config, NULL);
argc = parse_options(argc, argv, prefix, options, fmt_merge_msg_usage,
0);
if (argc > 0)
usage_with_options(fmt_merge_msg_usage, options);
+ if (shortlog_len < 0)
+ shortlog_len = (merge_log_config > 0) ? merge_log_config : 0;
if (inpath && strcmp(inpath, "-")) {
in = fopen(inpath, "r");
if (strbuf_read(&input, fileno(in), 0) < 0)
die_errno("could not read input file");
- ret = fmt_merge_msg(merge_summary, &input, &output);
+
+ if (message)
+ strbuf_addstr(&output, message);
+
+ memset(&opts, 0, sizeof(opts));
+ opts.add_title = !message;
+ opts.shortlog_len = shortlog_len;
+
+ ret = fmt_merge_msg(&input, &output, &opts);
if (ret)
return ret;
write_in_full(STDOUT_FILENO, output.buf, output.len);