summaryrefslogtreecommitdiff
path: root/builtin-fmt-merge-msg.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin-fmt-merge-msg.c')
-rw-r--r--builtin-fmt-merge-msg.c381
1 files changed, 0 insertions, 381 deletions
diff --git a/builtin-fmt-merge-msg.c b/builtin-fmt-merge-msg.c
deleted file mode 100644
index 9d524000b5..0000000000
--- a/builtin-fmt-merge-msg.c
+++ /dev/null
@@ -1,381 +0,0 @@
-#include "builtin.h"
-#include "cache.h"
-#include "commit.h"
-#include "diff.h"
-#include "revision.h"
-#include "tag.h"
-
-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, 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 *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)
-{
- 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()
- };
-
- 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;
-}