Make git-fmt-merge-msg a builtin
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Johannes Schindelin
Junio C Hamano
parent
280242d1cc
commit
00449f992b
7
Makefile
7
Makefile
@ -131,7 +131,7 @@ SCRIPT_SH = \
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SCRIPT_PERL = \
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git-archimport.perl git-cvsimport.perl git-relink.perl \
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git-shortlog.perl git-fmt-merge-msg.perl git-rerere.perl \
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git-shortlog.perl git-rerere.perl \
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git-annotate.perl git-cvsserver.perl \
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git-svnimport.perl git-mv.perl git-cvsexportcommit.perl \
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git-send-email.perl
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@ -173,7 +173,8 @@ BUILT_INS = git-log$X git-whatchanged$X git-show$X git-update-ref$X \
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git-ls-files$X git-ls-tree$X git-get-tar-commit-id$X \
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git-read-tree$X git-commit-tree$X git-write-tree$X \
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git-apply$X git-show-branch$X git-diff-files$X git-update-index$X \
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git-diff-index$X git-diff-stages$X git-diff-tree$X git-cat-file$X
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git-diff-index$X git-diff-stages$X git-diff-tree$X git-cat-file$X \
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git-fmt-merge-msg$X
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# what 'all' will build and 'install' will install, in gitexecdir
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ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)
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@ -229,7 +230,7 @@ BUILTIN_OBJS = \
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builtin-apply.o builtin-show-branch.o builtin-diff-files.o \
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builtin-diff-index.o builtin-diff-stages.o builtin-diff-tree.o \
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builtin-cat-file.o builtin-mailsplit.o builtin-stripspace.o \
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builtin-update-ref.o
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builtin-update-ref.o builtin-fmt-merge-msg.o
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GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
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LIBS = $(GITLIBS) -lz
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355
builtin-fmt-merge-msg.c
Normal file
355
builtin-fmt-merge-msg.c
Normal file
@ -0,0 +1,355 @@
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#include "cache.h"
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#include "commit.h"
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#include "diff.h"
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#include "revision.h"
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#include "tag.h"
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static const char *fmt_merge_msg_usage =
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"git-fmt-merge-msg [--summary] [--no-summary] [--file <file>]";
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static int merge_summary = 0;
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static int fmt_merge_msg_config(const char *key, const char *value)
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{
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if (!strcmp("merge.summary", key))
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merge_summary = git_config_bool(key, value);
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return 0;
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}
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struct list {
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char **list;
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void **payload;
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unsigned nr, alloc;
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};
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static void append_to_list(struct list *list, char *value, void *payload)
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{
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if (list->nr == list->alloc) {
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list->alloc += 32;
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list->list = realloc(list->list, sizeof(char *) * list->alloc);
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list->payload = realloc(list->payload,
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sizeof(char *) * list->alloc);
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}
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list->payload[list->nr] = payload;
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list->list[list->nr++] = value;
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}
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static int find_in_list(struct list *list, char *value)
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{
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int i;
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for (i = 0; i < list->nr; i++)
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if (!strcmp(list->list[i], value))
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return i;
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return -1;
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}
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static void free_list(struct list *list)
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{
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int i;
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if (list->alloc == 0)
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return;
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for (i = 0; i < list->nr; i++) {
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free(list->list[i]);
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if (list->payload[i])
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free(list->payload[i]);
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}
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free(list->list);
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free(list->payload);
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list->nr = list->alloc = 0;
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}
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struct src_data {
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struct list branch, tag, r_branch, generic;
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int head_status;
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};
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static struct list srcs = { NULL, NULL, 0, 0};
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static struct list origins = { NULL, NULL, 0, 0};
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static int handle_line(char *line)
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{
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int i, len = strlen(line);
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unsigned char *sha1;
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char *src, *origin;
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struct src_data *src_data;
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if (len < 43 || line[40] != '\t')
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return 1;
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if (!strncmp(line + 41, "not-for-merge", 13))
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return 0;
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if (line[41] != '\t')
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return 2;
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line[40] = 0;
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sha1 = xmalloc(20);
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i = get_sha1(line, sha1);
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line[40] = '\t';
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if (i)
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return 3;
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if (line[len - 1] == '\n')
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line[len - 1] = 0;
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line += 42;
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src = strstr(line, " of ");
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if (src) {
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*src = 0;
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src += 4;
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} else
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src = "HEAD";
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i = find_in_list(&srcs, src);
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if (i < 0) {
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i = srcs.nr;
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append_to_list(&srcs, strdup(src),
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xcalloc(1, sizeof(struct src_data)));
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}
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src_data = srcs.payload[i];
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if (!strncmp(line, "branch ", 7)) {
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origin = strdup(line + 7);
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append_to_list(&src_data->branch, origin, NULL);
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src_data->head_status |= 2;
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} else if (!strncmp(line, "tag ", 4)) {
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origin = line;
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append_to_list(&src_data->tag, strdup(origin + 4), NULL);
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src_data->head_status |= 2;
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} else if (!strncmp(line, "remote branch ", 14)) {
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origin = strdup(line + 14);
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append_to_list(&src_data->r_branch, origin, NULL);
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src_data->head_status |= 2;
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} else if (!strcmp(line, "HEAD")) {
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origin = strdup(src);
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src_data->head_status |= 1;
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} else {
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origin = strdup(src);
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append_to_list(&src_data->generic, strdup(line), NULL);
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src_data->head_status |= 2;
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}
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if (!strcmp(".", src) || !strcmp(src, origin)) {
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int len = strlen(origin);
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if (origin[0] == '\'' && origin[len - 1] == '\'') {
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char *new_origin = malloc(len - 1);
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memcpy(new_origin, origin + 1, len - 2);
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new_origin[len - 1] = 0;
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origin = new_origin;
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} else
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origin = strdup(origin);
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} else {
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char *new_origin = malloc(strlen(origin) + strlen(src) + 5);
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sprintf(new_origin, "%s of %s", origin, src);
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origin = new_origin;
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}
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append_to_list(&origins, origin, sha1);
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return 0;
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}
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static void print_joined(const char *singular, const char *plural,
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struct list *list)
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{
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if (list->nr == 0)
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return;
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if (list->nr == 1) {
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printf("%s%s", singular, list->list[0]);
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} else {
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int i;
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printf("%s", plural);
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for (i = 0; i < list->nr - 1; i++)
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printf("%s%s", i > 0 ? ", " : "", list->list[i]);
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printf(" and %s", list->list[list->nr - 1]);
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}
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}
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static void shortlog(const char *name, unsigned char *sha1,
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struct commit *head, struct rev_info *rev, int limit)
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{
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int i, count = 0;
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struct commit *commit;
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struct object *branch;
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struct list subjects = { NULL, NULL, 0, 0 };
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int flags = UNINTERESTING | TREECHANGE | SEEN | SHOWN | ADDED;
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branch = deref_tag(parse_object(sha1), sha1_to_hex(sha1), 40);
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if (!branch || branch->type != TYPE_COMMIT)
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return;
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setup_revisions(0, NULL, rev, NULL);
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rev->ignore_merges = 1;
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add_pending_object(rev, branch, name);
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add_pending_object(rev, &head->object, "^HEAD");
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head->object.flags |= UNINTERESTING;
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prepare_revision_walk(rev);
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while ((commit = get_revision(rev)) != NULL) {
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char *oneline, *bol, *eol;
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/* ignore merges */
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if (commit->parents && commit->parents->next)
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continue;
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count++;
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if (subjects.nr > limit)
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continue;
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bol = strstr(commit->buffer, "\n\n");
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if (!bol) {
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append_to_list(&subjects, strdup(sha1_to_hex(
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commit->object.sha1)),
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NULL);
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continue;
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}
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bol += 2;
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eol = strchr(bol, '\n');
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if (eol) {
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int len = eol - bol;
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oneline = malloc(len + 1);
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memcpy(oneline, bol, len);
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oneline[len] = 0;
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} else
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oneline = strdup(bol);
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append_to_list(&subjects, oneline, NULL);
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}
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if (count > limit)
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printf("\n* %s: (%d commits)\n", name, count);
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else
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printf("\n* %s:\n", name);
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for (i = 0; i < subjects.nr; i++)
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if (i >= limit)
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printf(" ...\n");
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else
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printf(" %s\n", subjects.list[i]);
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clear_commit_marks((struct commit *)branch, flags);
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clear_commit_marks(head, flags);
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free_commit_list(rev->commits);
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rev->commits = NULL;
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rev->pending.nr = 0;
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free_list(&subjects);
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}
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int cmd_fmt_merge_msg(int argc, char **argv, char **envp)
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{
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int limit = 20, i = 0;
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char line[1024];
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FILE *in = stdin;
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const char *sep = "";
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unsigned char head_sha1[20];
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const char *head, *current_branch;
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git_config(fmt_merge_msg_config);
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while (argc > 1) {
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if (!strcmp(argv[1], "--summary"))
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merge_summary = 1;
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else if (!strcmp(argv[1], "--no-summary"))
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merge_summary = 0;
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else if (!strcmp(argv[1], "-F") || !strcmp(argv[1], "--file")) {
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if (argc < 2)
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die ("Which file?");
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if (!strcmp(argv[2], "-"))
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in = stdin;
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else {
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fclose(in);
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in = fopen(argv[2], "r");
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}
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argc--; argv++;
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} else
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break;
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argc--; argv++;
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}
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if (argc > 1)
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usage(fmt_merge_msg_usage);
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/* get current branch */
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head = strdup(git_path("HEAD"));
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current_branch = resolve_ref(head, head_sha1, 1);
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current_branch += strlen(head) - 4;
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free((char *)head);
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if (!strncmp(current_branch, "refs/heads/", 11))
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current_branch += 11;
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while (fgets(line, sizeof(line), in)) {
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i++;
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if (line[0] == 0)
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continue;
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if (handle_line(line))
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die ("Error in line %d: %s", i, line);
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}
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printf("Merge ");
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for (i = 0; i < srcs.nr; i++) {
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struct src_data *src_data = srcs.payload[i];
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const char *subsep = "";
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printf(sep);
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sep = "; ";
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if (src_data->head_status == 1) {
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printf(srcs.list[i]);
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continue;
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}
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if (src_data->head_status == 3) {
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subsep = ", ";
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printf("HEAD");
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}
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if (src_data->branch.nr) {
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printf(subsep);
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subsep = ", ";
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print_joined("branch ", "branches ", &src_data->branch);
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}
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if (src_data->r_branch.nr) {
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printf(subsep);
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subsep = ", ";
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print_joined("remote branch ", "remote branches ",
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&src_data->r_branch);
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}
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if (src_data->tag.nr) {
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printf(subsep);
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subsep = ", ";
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print_joined("tag ", "tags ", &src_data->tag);
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}
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if (src_data->generic.nr) {
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printf(subsep);
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print_joined("commit ", "commits ", &src_data->generic);
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}
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if (strcmp(".", srcs.list[i]))
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printf(" of %s", srcs.list[i]);
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}
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if (!strcmp("master", current_branch))
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putchar('\n');
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else
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printf(" into %s\n", current_branch);
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if (merge_summary) {
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struct commit *head;
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struct rev_info rev;
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head = lookup_commit(head_sha1);
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init_revisions(&rev);
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rev.commit_format = CMIT_FMT_ONELINE;
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rev.ignore_merges = 1;
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rev.limited = 1;
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for (i = 0; i < origins.nr; i++)
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shortlog(origins.list[i], origins.payload[i],
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head, &rev, limit);
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}
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/* No cleanup yet; is standalone anyway */
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return 0;
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}
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@ -49,6 +49,7 @@ extern int cmd_cat_file(int argc, const char **argv, char **envp);
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extern int cmd_rev_parse(int argc, const char **argv, char **envp);
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extern int cmd_update_index(int argc, const char **argv, char **envp);
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extern int cmd_update_ref(int argc, const char **argv, char **envp);
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extern int cmd_fmt_merge_msg(int argc, const char **argv, char **envp);
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extern int cmd_write_tree(int argc, const char **argv, char **envp);
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extern int write_tree(unsigned char *sha1, int missing_ok, const char *prefix);
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@ -1,173 +0,0 @@
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#!/usr/bin/perl -w
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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# Read .git/FETCH_HEAD and make a human readable merge message
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# by grouping branches and tags together to form a single line.
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use strict;
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my @src;
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my %src;
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sub andjoin {
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my ($label, $labels, $stuff) = @_;
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my $l = scalar @$stuff;
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my $m = '';
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if ($l == 0) {
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return ();
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}
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if ($l == 1) {
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$m = "$label$stuff->[0]";
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}
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else {
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$m = ("$labels" .
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join (', ', @{$stuff}[0..$l-2]) .
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" and $stuff->[-1]");
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}
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return ($m);
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}
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sub repoconfig {
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my ($val) = qx{git-repo-config --get merge.summary};
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return $val;
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}
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sub current_branch {
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my ($bra) = qx{git-symbolic-ref HEAD};
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chomp($bra);
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$bra =~ s|^refs/heads/||;
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if ($bra ne 'master') {
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$bra = " into $bra";
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} else {
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$bra = "";
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}
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return $bra;
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}
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sub shortlog {
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my ($tip) = @_;
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my @result;
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foreach ( qx{git-log --no-merges --topo-order --pretty=oneline $tip ^HEAD} ) {
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s/^[0-9a-f]{40}\s+//;
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push @result, $_;
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}
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die "git-log failed\n" if $?;
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return @result;
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}
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my @origin = ();
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while (<>) {
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my ($bname, $tname, $gname, $src, $sha1, $origin);
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chomp;
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s/^([0-9a-f]*) //;
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$sha1 = $1;
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next if (/^not-for-merge/);
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s/^ //;
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if (s/ of (.*)$//) {
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$src = $1;
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} else {
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# Pulling HEAD
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$src = $_;
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$_ = 'HEAD';
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}
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if (! exists $src{$src}) {
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push @src, $src;
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$src{$src} = {
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BRANCH => [],
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TAG => [],
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R_BRANCH => [],
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GENERIC => [],
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# &1 == has HEAD.
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# &2 == has others.
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HEAD_STATUS => 0,
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};
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}
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if (/^branch (.*)$/) {
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$origin = $1;
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push @{$src{$src}{BRANCH}}, $1;
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$src{$src}{HEAD_STATUS} |= 2;
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}
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elsif (/^tag (.*)$/) {
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$origin = $_;
|
||||
push @{$src{$src}{TAG}}, $1;
|
||||
$src{$src}{HEAD_STATUS} |= 2;
|
||||
}
|
||||
elsif (/^remote branch (.*)$/) {
|
||||
$origin = $1;
|
||||
push @{$src{$src}{R_BRANCH}}, $1;
|
||||
$src{$src}{HEAD_STATUS} |= 2;
|
||||
}
|
||||
elsif (/^HEAD$/) {
|
||||
$origin = $src;
|
||||
$src{$src}{HEAD_STATUS} |= 1;
|
||||
}
|
||||
else {
|
||||
push @{$src{$src}{GENERIC}}, $_;
|
||||
$src{$src}{HEAD_STATUS} |= 2;
|
||||
$origin = $src;
|
||||
}
|
||||
if ($src eq '.' || $src eq $origin) {
|
||||
$origin =~ s/^'(.*)'$/$1/;
|
||||
push @origin, [$sha1, "$origin"];
|
||||
}
|
||||
else {
|
||||
push @origin, [$sha1, "$origin of $src"];
|
||||
}
|
||||
}
|
||||
|
||||
my @msg;
|
||||
for my $src (@src) {
|
||||
if ($src{$src}{HEAD_STATUS} == 1) {
|
||||
# Only HEAD is fetched, nothing else.
|
||||
push @msg, $src;
|
||||
next;
|
||||
}
|
||||
my @this;
|
||||
if ($src{$src}{HEAD_STATUS} == 3) {
|
||||
# HEAD is fetched among others.
|
||||
push @this, andjoin('', '', ['HEAD']);
|
||||
}
|
||||
push @this, andjoin("branch ", "branches ",
|
||||
$src{$src}{BRANCH});
|
||||
push @this, andjoin("remote branch ", "remote branches ",
|
||||
$src{$src}{R_BRANCH});
|
||||
push @this, andjoin("tag ", "tags ",
|
||||
$src{$src}{TAG});
|
||||
push @this, andjoin("commit ", "commits ",
|
||||
$src{$src}{GENERIC});
|
||||
my $this = join(', ', @this);
|
||||
if ($src ne '.') {
|
||||
$this .= " of $src";
|
||||
}
|
||||
push @msg, $this;
|
||||
}
|
||||
|
||||
my $into = current_branch();
|
||||
|
||||
print "Merge ", join("; ", @msg), $into, "\n";
|
||||
|
||||
if (!repoconfig) {
|
||||
exit(0);
|
||||
}
|
||||
|
||||
# We limit the merge message to the latst 20 or so per each branch.
|
||||
my $limit = 20;
|
||||
|
||||
for (@origin) {
|
||||
my ($sha1, $name) = @$_;
|
||||
my @log = shortlog($sha1);
|
||||
if ($limit + 1 <= @log) {
|
||||
print "\n* $name: (" . scalar(@log) . " commits)\n";
|
||||
}
|
||||
else {
|
||||
print "\n* $name:\n";
|
||||
}
|
||||
my $cnt = 0;
|
||||
for my $log (@log) {
|
||||
if ($limit < ++$cnt) {
|
||||
print " ...\n";
|
||||
last;
|
||||
}
|
||||
print " $log";
|
||||
}
|
||||
}
|
||||
3
git.c
3
git.c
@ -187,7 +187,8 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
|
||||
{ "mailinfo", cmd_mailinfo },
|
||||
{ "stripspace", cmd_stripspace },
|
||||
{ "update-index", cmd_update_index },
|
||||
{ "update-ref", cmd_update_ref }
|
||||
{ "update-ref", cmd_update_ref },
|
||||
{ "fmt-merge-msg", cmd_fmt_merge_msg }
|
||||
};
|
||||
int i;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user