X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git.c;h=40b7e42ae9f87b5cdc7e2f968bbb12caa8f2d01c;hb=b8950769b8b91d634ec549fd1af792ccc1864f79;hp=d6f17db919ed0bcafbde0d7e3fa825692c66e8a8;hpb=d53352422b5f2ac3cfb86f5f363d6f167824ac52;p=git.git

diff --git a/git.c b/git.c
index d6f17db9..40b7e42a 100644
--- a/git.c
+++ b/git.c
@@ -276,126 +276,64 @@ static int cmd_help(int argc, const char **argv, char **envp)
 	return 0;
 }
 
-#define LOGSIZE (65536)
-
-static int cmd_log(int argc, const char **argv, char **envp)
+static int cmd_log_wc(int argc, const char **argv, char **envp,
+		      struct rev_info *rev)
 {
-	struct rev_info rev;
 	struct commit *commit;
-	char *buf = xmalloc(LOGSIZE);
-	static enum cmit_fmt commit_format = CMIT_FMT_DEFAULT;
-	int abbrev = DEFAULT_ABBREV;
-	int abbrev_commit = 0;
-	const char *commit_prefix = "commit ";
-	struct log_tree_opt opt;
-	int shown = 0;
-	int do_diff = 0;
-	int full_diff = 0;
-
-	init_log_tree_opt(&opt);
-	argc = setup_revisions(argc, argv, &rev, "HEAD");
-	while (1 < argc) {
-		const char *arg = argv[1];
-		if (!strncmp(arg, "--pretty", 8)) {
-			commit_format = get_commit_format(arg + 8);
-			if (commit_format == CMIT_FMT_ONELINE)
-				commit_prefix = "";
-		}
-		else if (!strcmp(arg, "--no-abbrev")) {
-			abbrev = 0;
-		}
-		else if (!strcmp(arg, "--abbrev")) {
-			abbrev = DEFAULT_ABBREV;
-		}
-		else if (!strcmp(arg, "--abbrev-commit")) {
-			abbrev_commit = 1;
-		}
-		else if (!strncmp(arg, "--abbrev=", 9)) {
-			abbrev = strtoul(arg + 9, NULL, 10);
-			if (abbrev && abbrev < MINIMUM_ABBREV)
-				abbrev = MINIMUM_ABBREV;
-			else if (40 < abbrev)
-				abbrev = 40;
-		}
-		else if (!strcmp(arg, "--full-diff")) {
-			do_diff = 1;
-			full_diff = 1;
-		}
-		else {
-			int cnt = log_tree_opt_parse(&opt, argv+1, argc-1);
-			if (0 < cnt) {
-				do_diff = 1;
-				argv += cnt;
-				argc -= cnt;
-				continue;
-			}
-			die("unrecognized argument: %s", arg);
-		}
 
-		argc--; argv++;
-	}
+	rev->abbrev = DEFAULT_ABBREV;
+	rev->commit_format = CMIT_FMT_DEFAULT;
+	rev->verbose_header = 1;
+	argc = setup_revisions(argc, argv, rev, "HEAD");
 
-	if (do_diff) {
-		opt.diffopt.abbrev = abbrev;
-		opt.verbose_header = 0;
-		opt.always_show_header = 0;
-		opt.no_commit_id = 1;
-		if (opt.combine_merges)
-			opt.ignore_merges = 0;
-		if (opt.dense_combined_merges)
-			opt.diffopt.output_format = DIFF_FORMAT_PATCH;
-		if (opt.diffopt.output_format == DIFF_FORMAT_PATCH)
-			opt.diffopt.recursive = 1;
-		if (!full_diff && rev.prune_data)
-			diff_tree_setup_paths(rev.prune_data, &opt.diffopt);
-		diff_setup_done(&opt.diffopt);
-	}
+	if (argc > 1)
+		die("unrecognized argument: %s", argv[1]);
 
-	prepare_revision_walk(&rev);
+	prepare_revision_walk(rev);
 	setup_pager();
-	while ((commit = get_revision(&rev)) != NULL) {
-		if (shown && do_diff && commit_format != CMIT_FMT_ONELINE)
-			putchar('\n');
-		fputs(commit_prefix, stdout);
-		if (abbrev_commit && abbrev)
-			fputs(find_unique_abbrev(commit->object.sha1, abbrev),
-			      stdout);
-		else
-			fputs(sha1_to_hex(commit->object.sha1), stdout);
-		if (rev.parents) {
-			struct commit_list *parents = commit->parents;
-			while (parents) {
-				struct object *o = &(parents->item->object);
-				parents = parents->next;
-				if (o->flags & TMP_MARK)
-					continue;
-				printf(" %s", sha1_to_hex(o->sha1));
-				o->flags |= TMP_MARK;
-			}
-			/* TMP_MARK is a general purpose flag that can
-			 * be used locally, but the user should clean
-			 * things up after it is done with them.
-			 */
-			for (parents = commit->parents;
-			     parents;
-			     parents = parents->next)
-				parents->item->object.flags &= ~TMP_MARK;
-		}
-		if (commit_format == CMIT_FMT_ONELINE)
-			putchar(' ');
-		else
-			putchar('\n');
-		pretty_print_commit(commit_format, commit, ~0, buf,
-				    LOGSIZE, abbrev);
-		printf("%s\n", buf);
-		if (do_diff)
-			log_tree_commit(&opt, commit);
-		shown = 1;
+	while ((commit = get_revision(rev)) != NULL) {
+		log_tree_commit(rev, commit);
+		free(commit->buffer);
+		commit->buffer = NULL;
 	}
-	free(buf);
 	return 0;
 }
 
+static int cmd_wc(int argc, const char **argv, char **envp)
+{
+	struct rev_info rev;
+
+	init_revisions(&rev);
+	rev.diff = 1;
+	rev.diffopt.recursive = 1;
+	return cmd_log_wc(argc, argv, envp, &rev);
+}
+
+static int cmd_show(int argc, const char **argv, char **envp)
+{
+	struct rev_info rev;
+
+	init_revisions(&rev);
+	rev.diff = 1;
+	rev.diffopt.recursive = 1;
+	rev.combine_merges = 1;
+	rev.dense_combined_merges = 1;
+	rev.always_show_header = 1;
+	rev.ignore_merges = 0;
+	rev.no_walk = 1;
+	return cmd_log_wc(argc, argv, envp, &rev);
+}
+
+static int cmd_log(int argc, const char **argv, char **envp)
+{
+	struct rev_info rev;
+
+	init_revisions(&rev);
+	rev.always_show_header = 1;
+	rev.diffopt.recursive = 1;
+	return cmd_log_wc(argc, argv, envp, &rev);
+}
+
 static void handle_internal_command(int argc, const char **argv, char **envp)
 {
 	const char *cmd = argv[0];
@@ -406,9 +344,17 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 		{ "version", cmd_version },
 		{ "help", cmd_help },
 		{ "log", cmd_log },
+		{ "whatchanged", cmd_wc },
+		{ "show", cmd_show },
 	};
 	int i;
 
+	/* Turn "git cmd --help" into "git help cmd" */
+	if (argc > 1 && !strcmp(argv[1], "--help")) {
+		argv[1] = argv[0];
+		argv[0] = cmd = "help";
+	}
+
 	for (i = 0; i < ARRAY_SIZE(commands); i++) {
 		struct cmd_struct *p = commands+i;
 		if (strcmp(p->cmd, cmd))