#include "revision.h"
#include "tag.h"
-static const char *fmt_merge_msg_usage =
- "git-fmt-merge-msg [--log] [--no-log] [--file <file>]";
+static const char * const fmt_merge_msg_usage[] = {
+ "git fmt-merge-msg [--log|--no-log] [--file <file>]",
+ NULL
+};
static int merge_summary;
-static int fmt_merge_msg_config(const char *key, const char *value)
+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)) {
}
static void print_joined(const char *singular, const char *plural,
- struct list *list)
+ struct list *list, struct strbuf *out)
{
if (list->nr == 0)
return;
if (list->nr == 1) {
- printf("%s%s", singular, list->list[0]);
+ strbuf_addf(out, "%s%s", singular, list->list[0]);
} else {
int i;
- printf("%s", plural);
+ strbuf_addstr(out, plural);
for (i = 0; i < list->nr - 1; i++)
- printf("%s%s", i > 0 ? ", " : "", list->list[i]);
- printf(" and %s", list->list[list->nr - 1]);
+ 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 commit *head, struct rev_info *rev, int limit,
+ struct strbuf *out)
{
int i, count = 0;
struct commit *commit;
}
if (count > limit)
- printf("\n* %s: (%d commits)\n", name, count);
+ strbuf_addf(out, "\n* %s: (%d commits)\n", name, count);
else
- printf("\n* %s:\n", name);
+ strbuf_addf(out, "\n* %s:\n", name);
for (i = 0; i < subjects.nr; i++)
if (i >= limit)
- printf(" ...\n");
+ strbuf_addf(out, " ...\n");
else
- printf(" %s\n", subjects.list[i]);
+ strbuf_addf(out, " %s\n", subjects.list[i]);
clear_commit_marks((struct commit *)branch, flags);
clear_commit_marks(head, flags);
free_list(&subjects);
}
-int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
-{
- int limit = 20, i = 0;
- char line[1024];
- FILE *in = stdin;
- const char *sep = "";
+int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
+ int limit = 20, i = 0, pos = 0;
+ char *sep = "";
unsigned char head_sha1[20];
const char *current_branch;
- git_config(fmt_merge_msg_config);
-
- 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);
-
/* get current branch */
current_branch = resolve_ref("HEAD", head_sha1, 1, NULL);
if (!current_branch)
if (!prefixcmp(current_branch, "refs/heads/"))
current_branch += 11;
- while (fgets(line, sizeof(line), in)) {
+ /* 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++;
- if (line[0] == 0)
- continue;
- if (handle_line(line))
- die ("Error in line %d: %s", i, line);
+ p[len] = 0;
+ if (handle_line(p))
+ die ("Error in line %d: %.*s", i, len, p);
}
- printf("Merge ");
+ strbuf_addstr(out, "Merge ");
for (i = 0; i < srcs.nr; i++) {
struct src_data *src_data = srcs.payload[i];
const char *subsep = "";
- printf(sep);
+ strbuf_addstr(out, sep);
sep = "; ";
if (src_data->head_status == 1) {
- printf(srcs.list[i]);
+ strbuf_addstr(out, srcs.list[i]);
continue;
}
if (src_data->head_status == 3) {
subsep = ", ";
- printf("HEAD");
+ strbuf_addstr(out, "HEAD");
}
if (src_data->branch.nr) {
- printf(subsep);
+ strbuf_addstr(out, subsep);
subsep = ", ";
- print_joined("branch ", "branches ", &src_data->branch);
+ print_joined("branch ", "branches ", &src_data->branch,
+ out);
}
if (src_data->r_branch.nr) {
- printf(subsep);
+ strbuf_addstr(out, subsep);
subsep = ", ";
print_joined("remote branch ", "remote branches ",
- &src_data->r_branch);
+ &src_data->r_branch, out);
}
if (src_data->tag.nr) {
- printf(subsep);
+ strbuf_addstr(out, subsep);
subsep = ", ";
- print_joined("tag ", "tags ", &src_data->tag);
+ print_joined("tag ", "tags ", &src_data->tag, out);
}
if (src_data->generic.nr) {
- printf(subsep);
- print_joined("commit ", "commits ", &src_data->generic);
+ strbuf_addstr(out, subsep);
+ print_joined("commit ", "commits ", &src_data->generic,
+ out);
}
if (strcmp(".", srcs.list[i]))
- printf(" of %s", srcs.list[i]);
+ strbuf_addf(out, " of %s", srcs.list[i]);
}
if (!strcmp("master", current_branch))
- putchar('\n');
+ strbuf_addch(out, '\n');
else
- printf(" into %s\n", current_branch);
+ 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, prefix);
+ 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);
+ head, &rev, limit, out);
}
+ return 0;
+}
+
+int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
+{
+ const char *inpath = NULL;
+ struct option options[] = {
+ OPT_BOOLEAN(0, "log", &merge_summary, "populate log with the shortlog"),
+ OPT_BOOLEAN(0, "summary", &merge_summary, "alias for --log"),
+ OPT_FILENAME('F', "file", &inpath, "file to read from"),
+ OPT_END()
+ };
- /* No cleanup yet; is standalone anyway */
+ FILE *in = stdin;
+ struct strbuf input = STRBUF_INIT, output = STRBUF_INIT;
+ int ret;
+
+ 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 (inpath && strcmp(inpath, "-")) {
+ in = fopen(inpath, "r");
+ if (!in)
+ die_errno("cannot open '%s'", inpath);
+ }
+ if (strbuf_read(&input, fileno(in), 0) < 0)
+ die_errno("could not read input file");
+ ret = fmt_merge_msg(merge_summary, &input, &output);
+ if (ret)
+ return ret;
+ write_in_full(STDOUT_FILENO, output.buf, output.len);
return 0;
}