#include "diff.h"
#include "revision.h"
#include "tag.h"
+#include "string-list.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 shortlog_len;
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 (!strcmp(key, "merge.log") || !strcmp(key, "merge.summary")) {
+ int is_bool;
+ shortlog_len = git_config_bool_or_int(key, value, &is_bool);
+ if (!is_bool && shortlog_len < 0)
+ return error("%s: negative length %s", key, value);
+ if (is_bool && shortlog_len)
+ shortlog_len = DEFAULT_MERGE_LOG_LEN;
}
- 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;
+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)
+static void init_src_data(struct src_data *data)
{
- 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;
+ data->branch.strdup_strings = 1;
+ data->tag.strdup_strings = 1;
+ data->r_branch.strdup_strings = 1;
+ data->generic.strdup_strings = 1;
}
-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 struct string_list srcs = STRING_LIST_INIT_DUP;
+static struct string_list origins = STRING_LIST_INIT_DUP;
static int handle_line(char *line)
{
unsigned char *sha1;
char *src, *origin;
struct src_data *src_data;
+ struct string_list_item *item;
int pulling_head = 0;
if (len < 43 || line[40] != '\t')
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 = 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);
+ string_list_append(&origins, origin)->util = sha1;
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);
}
}
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;
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)
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 do_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 int do_fmt_merge_msg(int merge_title, struct strbuf *in,
+ struct strbuf *out, int shortlog_len) {
+ 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;
+
+ /* 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 (merge_summary) {
+ if (!srcs.nr)
+ return 0;
+
+ if (merge_title)
+ do_fmt_merge_msg_title(out, current_branch);
+
+ if (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, shortlog_len, out);
}
return 0;
}
+int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
+ int merge_title, int shortlog_len) {
+ return do_fmt_merge_msg(merge_title, in, out, shortlog_len);
+}
+
int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
{
const char *inpath = NULL;
+ const char *message = NULL;
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()
};
0);
if (argc > 0)
usage_with_options(fmt_merge_msg_usage, options);
+ if (message && !shortlog_len) {
+ char nl = '\n';
+ write_in_full(STDOUT_FILENO, message, strlen(message));
+ write_in_full(STDOUT_FILENO, &nl, 1);
+ return 0;
+ }
+ if (shortlog_len < 0)
+ die("Negative --log=%d", shortlog_len);
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);
+ ret = fmt_merge_msg(&input, &output,
+ message ? 0 : 1,
+ shortlog_len);
+
if (ret)
return ret;
write_in_full(STDOUT_FILENO, output.buf, output.len);