Esempio n. 1
0
static void prepare_move_submodule(const char *src, int first,
				   const char **submodule_gitfile)
{
	struct strbuf submodule_dotgit = STRBUF_INIT;
	if (!S_ISGITLINK(active_cache[first]->ce_mode))
		die(_("Directory %s is in index and no submodule?"), src);
	if (!is_staging_gitmodules_ok())
		die(_("Please stage your changes to .gitmodules or stash them to proceed"));
	strbuf_addf(&submodule_dotgit, "%s/.git", src);
	*submodule_gitfile = read_gitfile(submodule_dotgit.buf);
	if (*submodule_gitfile)
		*submodule_gitfile = xstrdup(*submodule_gitfile);
	else
		*submodule_gitfile = SUBMODULE_WITH_GITDIR;
	strbuf_release(&submodule_dotgit);
}
Esempio n. 2
0
File: mv.c Progetto: AMC06/git
int cmd_mv(int argc, const char **argv, const char *prefix)
{
	int i, newfd, gitmodules_modified = 0;
	int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
	struct option builtin_mv_options[] = {
		OPT__VERBOSE(&verbose, N_("be verbose")),
		OPT__DRY_RUN(&show_only, N_("dry run")),
		OPT__FORCE(&force, N_("force move/rename even if target exists")),
		OPT_BOOL('k', NULL, &ignore_errors, N_("skip move/rename errors")),
		OPT_END(),
	};
	const char **source, **destination, **dest_path, **submodule_gitfile;
	enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes;
	struct stat st;
	struct string_list src_for_dst = STRING_LIST_INIT_NODUP;

	gitmodules_config();
	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, builtin_mv_options,
			     builtin_mv_usage, 0);
	if (--argc < 1)
		usage_with_options(builtin_mv_usage, builtin_mv_options);

	newfd = hold_locked_index(&lock_file, 1);
	if (read_cache() < 0)
		die(_("index file corrupt"));

	source = internal_copy_pathspec(prefix, argv, argc, 0);
	modes = xcalloc(argc, sizeof(enum update_mode));
	/*
	 * Keep trailing slash, needed to let
	 * "git mv file no-such-dir/" error out.
	 */
	dest_path = internal_copy_pathspec(prefix, argv + argc, 1,
					   KEEP_TRAILING_SLASH);
	submodule_gitfile = xcalloc(argc, sizeof(char *));

	if (dest_path[0][0] == '\0')
		/* special case: "." was normalized to "" */
		destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
	else if (!lstat(dest_path[0], &st) &&
			S_ISDIR(st.st_mode)) {
		dest_path[0] = add_slash(dest_path[0]);
		destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
	} else {
		if (argc != 1)
			die("destination '%s' is not a directory", dest_path[0]);
		destination = dest_path;
	}

	/* Checking */
	for (i = 0; i < argc; i++) {
		const char *src = source[i], *dst = destination[i];
		int length, src_is_dir;
		const char *bad = NULL;

		if (show_only)
			printf(_("Checking rename of '%s' to '%s'\n"), src, dst);

		length = strlen(src);
		if (lstat(src, &st) < 0)
			bad = _("bad source");
		else if (!strncmp(src, dst, length) &&
				(dst[length] == 0 || dst[length] == '/')) {
			bad = _("can not move directory into itself");
		} else if ((src_is_dir = S_ISDIR(st.st_mode))
				&& lstat(dst, &st) == 0)
			bad = _("cannot move directory over file");
		else if (src_is_dir) {
			int first = cache_name_pos(src, length);
			if (first >= 0) {
				struct strbuf submodule_dotgit = STRBUF_INIT;
				if (!S_ISGITLINK(active_cache[first]->ce_mode))
					die (_("Huh? Directory %s is in index and no submodule?"), src);
				if (!is_staging_gitmodules_ok())
					die (_("Please, stage your changes to .gitmodules or stash them to proceed"));
				strbuf_addf(&submodule_dotgit, "%s/.git", src);
				submodule_gitfile[i] = read_gitfile(submodule_dotgit.buf);
				if (submodule_gitfile[i])
					submodule_gitfile[i] = xstrdup(submodule_gitfile[i]);
				else
					submodule_gitfile[i] = SUBMODULE_WITH_GITDIR;
				strbuf_release(&submodule_dotgit);
			} else {
				const char *src_w_slash = add_slash(src);
				int last, len_w_slash = length + 1;

				modes[i] = WORKING_DIRECTORY;

				first = cache_name_pos(src_w_slash, len_w_slash);
				if (first >= 0)
					die (_("Huh? %.*s is in index?"),
							len_w_slash, src_w_slash);

				first = -1 - first;
				for (last = first; last < active_nr; last++) {
					const char *path = active_cache[last]->name;
					if (strncmp(path, src_w_slash, len_w_slash))
						break;
				}
				free((char *)src_w_slash);

				if (last - first < 1)
					bad = _("source directory is empty");
				else {
					int j, dst_len;

					if (last - first > 0) {
						source = xrealloc(source,
								(argc + last - first)
								* sizeof(char *));
						destination = xrealloc(destination,
								(argc + last - first)
								* sizeof(char *));
						modes = xrealloc(modes,
								(argc + last - first)
								* sizeof(enum update_mode));
						submodule_gitfile = xrealloc(submodule_gitfile,
								(argc + last - first)
								* sizeof(char *));
					}

					dst = add_slash(dst);
					dst_len = strlen(dst);

					for (j = 0; j < last - first; j++) {
						const char *path =
							active_cache[first + j]->name;
						source[argc + j] = path;
						destination[argc + j] =
							prefix_path(dst, dst_len,
								path + length + 1);
						modes[argc + j] = INDEX;
						submodule_gitfile[argc + j] = NULL;
					}
					argc += last - first;
				}
			}
		} else if (cache_name_pos(src, length) < 0)
			bad = _("not under version control");
		else if (lstat(dst, &st) == 0) {
			bad = _("destination exists");
			if (force) {
				/*
				 * only files can overwrite each other:
				 * check both source and destination
				 */
				if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
					if (verbose)
						warning(_("overwriting '%s'"), dst);
					bad = NULL;
				} else
					bad = _("Cannot overwrite");
			}
		} else if (string_list_has_string(&src_for_dst, dst))
			bad = _("multiple sources for the same target");
		else if (is_dir_sep(dst[strlen(dst) - 1]))
			bad = _("destination directory does not exist");
		else
			string_list_insert(&src_for_dst, dst);

		if (bad) {
			if (ignore_errors) {
				if (--argc > 0) {
					memmove(source + i, source + i + 1,
						(argc - i) * sizeof(char *));
					memmove(destination + i,
						destination + i + 1,
						(argc - i) * sizeof(char *));
					memmove(modes + i, modes + i + 1,
						(argc - i) * sizeof(enum update_mode));
					memmove(submodule_gitfile + i,
						submodule_gitfile + i + 1,
						(argc - i) * sizeof(char *));
					i--;
				}
			} else
				die (_("%s, source=%s, destination=%s"),
				     bad, src, dst);
		}
	}

	for (i = 0; i < argc; i++) {
		const char *src = source[i], *dst = destination[i];
		enum update_mode mode = modes[i];
		int pos;
		if (show_only || verbose)
			printf(_("Renaming %s to %s\n"), src, dst);
		if (!show_only && mode != INDEX) {
			if (rename(src, dst) < 0 && !ignore_errors)
				die_errno (_("renaming '%s' failed"), src);
			if (submodule_gitfile[i]) {
				if (submodule_gitfile[i] != SUBMODULE_WITH_GITDIR)
					connect_work_tree_and_git_dir(dst, submodule_gitfile[i]);
				if (!update_path_in_gitmodules(src, dst))
					gitmodules_modified = 1;
			}
		}

		if (mode == WORKING_DIRECTORY)
			continue;

		pos = cache_name_pos(src, strlen(src));
		assert(pos >= 0);
		if (!show_only)
			rename_cache_entry_at(pos, dst);
	}

	if (gitmodules_modified)
		stage_updated_gitmodules();

	if (active_cache_changed) {
		if (write_cache(newfd, active_cache, active_nr) ||
		    commit_locked_index(&lock_file))
			die(_("Unable to write new index file"));
	}

	return 0;
}
Esempio n. 3
0
File: rm.c Progetto: 136357477/git
int cmd_rm(int argc, const char **argv, const char *prefix)
{
	int i;
	struct pathspec pathspec;
	char *seen;

	gitmodules_config();
	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, builtin_rm_options,
			     builtin_rm_usage, 0);
	if (!argc)
		usage_with_options(builtin_rm_usage, builtin_rm_options);

	if (!index_only)
		setup_work_tree();

	hold_locked_index(&lock_file, 1);

	if (read_cache() < 0)
		die(_("index file corrupt"));

	parse_pathspec(&pathspec, 0,
		       PATHSPEC_PREFER_CWD |
		       PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
		       prefix, argv);
	refresh_index(&the_index, REFRESH_QUIET, &pathspec, NULL, NULL);

	seen = xcalloc(pathspec.nr, 1);

	for (i = 0; i < active_nr; i++) {
		const struct cache_entry *ce = active_cache[i];
		if (!ce_path_match(ce, &pathspec, seen))
			continue;
		ALLOC_GROW(list.entry, list.nr + 1, list.alloc);
		list.entry[list.nr].name = xstrdup(ce->name);
		list.entry[list.nr].is_submodule = S_ISGITLINK(ce->ce_mode);
		if (list.entry[list.nr++].is_submodule &&
		    !is_staging_gitmodules_ok())
			die (_("Please stage your changes to .gitmodules or stash them to proceed"));
	}

	if (pathspec.nr) {
		const char *original;
		int seen_any = 0;
		for (i = 0; i < pathspec.nr; i++) {
			original = pathspec.items[i].original;
			if (!seen[i]) {
				if (!ignore_unmatch) {
					die(_("pathspec '%s' did not match any files"),
					    original);
				}
			}
			else {
				seen_any = 1;
			}
			if (!recursive && seen[i] == MATCHED_RECURSIVELY)
				die(_("not removing '%s' recursively without -r"),
				    *original ? original : ".");
		}

		if (!seen_any)
			exit(0);
	}

	/*
	 * If not forced, the file, the index and the HEAD (if exists)
	 * must match; but the file can already been removed, since
	 * this sequence is a natural "novice" way:
	 *
	 *	rm F; git rm F
	 *
	 * Further, if HEAD commit exists, "diff-index --cached" must
	 * report no changes unless forced.
	 */
	if (!force) {
		unsigned char sha1[20];
		if (get_sha1("HEAD", sha1))
			hashclr(sha1);
		if (check_local_mod(sha1, index_only))
			exit(1);
	} else if (!index_only) {
		if (check_submodules_use_gitfiles())
			exit(1);
	}

	/*
	 * First remove the names from the index: we won't commit
	 * the index unless all of them succeed.
	 */
	for (i = 0; i < list.nr; i++) {
		const char *path = list.entry[i].name;
		if (!quiet)
			printf("rm '%s'\n", path);

		if (remove_file_from_cache(path))
			die(_("git rm: unable to remove %s"), path);
	}

	if (show_only)
		return 0;

	/*
	 * Then, unless we used "--cached", remove the filenames from
	 * the workspace. If we fail to remove the first one, we
	 * abort the "git rm" (but once we've successfully removed
	 * any file at all, we'll go ahead and commit to it all:
	 * by then we've already committed ourselves and can't fail
	 * in the middle)
	 */
	if (!index_only) {
		int removed = 0, gitmodules_modified = 0;
		for (i = 0; i < list.nr; i++) {
			const char *path = list.entry[i].name;
			if (list.entry[i].is_submodule) {
				if (is_empty_dir(path)) {
					if (!rmdir(path)) {
						removed = 1;
						if (!remove_path_from_gitmodules(path))
							gitmodules_modified = 1;
						continue;
					}
				} else {
					struct strbuf buf = STRBUF_INIT;
					strbuf_addstr(&buf, path);
					if (!remove_dir_recursively(&buf, 0)) {
						removed = 1;
						if (!remove_path_from_gitmodules(path))
							gitmodules_modified = 1;
						strbuf_release(&buf);
						continue;
					} else if (!file_exists(path))
						/* Submodule was removed by user */
						if (!remove_path_from_gitmodules(path))
							gitmodules_modified = 1;
					strbuf_release(&buf);
					/* Fallthrough and let remove_path() fail. */
				}
			}
			if (!remove_path(path)) {
				removed = 1;
				continue;
			}
			if (!removed)
				die_errno("git rm: '%s'", path);
		}
		if (gitmodules_modified)
			stage_updated_gitmodules();
	}

	if (active_cache_changed) {
		if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
			die(_("Unable to write new index file"));
	}

	return 0;
}