about summary refs log tree commit diff
path: root/third_party/git/builtin/mv.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/git/builtin/mv.c')
-rw-r--r--third_party/git/builtin/mv.c304
1 files changed, 0 insertions, 304 deletions
diff --git a/third_party/git/builtin/mv.c b/third_party/git/builtin/mv.c
deleted file mode 100644
index be15ba7044..0000000000
--- a/third_party/git/builtin/mv.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * "git mv" builtin command
- *
- * Copyright (C) 2006 Johannes Schindelin
- */
-#define USE_THE_INDEX_COMPATIBILITY_MACROS
-#include "builtin.h"
-#include "config.h"
-#include "pathspec.h"
-#include "lockfile.h"
-#include "dir.h"
-#include "cache-tree.h"
-#include "string-list.h"
-#include "parse-options.h"
-#include "submodule.h"
-
-static const char * const builtin_mv_usage[] = {
-	N_("git mv [<options>] <source>... <destination>"),
-	NULL
-};
-
-#define DUP_BASENAME 1
-#define KEEP_TRAILING_SLASH 2
-
-static const char **internal_prefix_pathspec(const char *prefix,
-					     const char **pathspec,
-					     int count, unsigned flags)
-{
-	int i;
-	const char **result;
-	int prefixlen = prefix ? strlen(prefix) : 0;
-	ALLOC_ARRAY(result, count + 1);
-
-	/* Create an intermediate copy of the pathspec based on the flags */
-	for (i = 0; i < count; i++) {
-		int length = strlen(pathspec[i]);
-		int to_copy = length;
-		char *it;
-		while (!(flags & KEEP_TRAILING_SLASH) &&
-		       to_copy > 0 && is_dir_sep(pathspec[i][to_copy - 1]))
-			to_copy--;
-
-		it = xmemdupz(pathspec[i], to_copy);
-		if (flags & DUP_BASENAME) {
-			result[i] = xstrdup(basename(it));
-			free(it);
-		} else {
-			result[i] = it;
-		}
-	}
-	result[count] = NULL;
-
-	/* Prefix the pathspec and free the old intermediate strings */
-	for (i = 0; i < count; i++) {
-		const char *match = prefix_path(prefix, prefixlen, result[i]);
-		free((char *) result[i]);
-		result[i] = match;
-	}
-
-	return result;
-}
-
-static const char *add_slash(const char *path)
-{
-	size_t len = strlen(path);
-	if (path[len - 1] != '/') {
-		char *with_slash = xmalloc(st_add(len, 2));
-		memcpy(with_slash, path, len);
-		with_slash[len++] = '/';
-		with_slash[len] = 0;
-		return with_slash;
-	}
-	return path;
-}
-
-#define SUBMODULE_WITH_GITDIR ((const char *)1)
-
-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(&the_index))
-		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);
-}
-
-static int index_range_of_same_dir(const char *src, int length,
-				   int *first_p, int *last_p)
-{
-	const char *src_w_slash = add_slash(src);
-	int first, last, len_w_slash = length + 1;
-
-	first = cache_name_pos(src_w_slash, len_w_slash);
-	if (first >= 0)
-		die(_("%.*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;
-	}
-	if (src_w_slash != src)
-		free((char *)src_w_slash);
-	*first_p = first;
-	*last_p = last;
-	return last - first;
-}
-
-int cmd_mv(int argc, const char **argv, const char *prefix)
-{
-	int i, flags, 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"),
-			   PARSE_OPT_NOCOMPLETE),
-		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;
-	struct lock_file lock_file = LOCK_INIT;
-
-	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);
-
-	hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
-	if (read_cache() < 0)
-		die(_("index file corrupt"));
-
-	source = internal_prefix_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, except in the case
-	 * "git mv directory no-such-dir/".
-	 */
-	flags = KEEP_TRAILING_SLASH;
-	if (argc == 1 && is_directory(argv[0]) && !is_directory(argv[1]))
-		flags = 0;
-	dest_path = internal_prefix_pathspec(prefix, argv + argc, 1, flags);
-	submodule_gitfile = xcalloc(argc, sizeof(char *));
-
-	if (dest_path[0][0] == '\0')
-		/* special case: "." was normalized to "" */
-		destination = internal_prefix_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_prefix_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), last;
-
-			if (first >= 0)
-				prepare_move_submodule(src, first,
-						       submodule_gitfile + i);
-			else if (index_range_of_same_dir(src, length,
-							 &first, &last) < 1)
-				bad = _("source directory is empty");
-			else { /* last - first >= 1 */
-				int j, dst_len, n;
-
-				modes[i] = WORKING_DIRECTORY;
-				n = argc + last - first;
-				REALLOC_ARRAY(source, n);
-				REALLOC_ARRAY(destination, n);
-				REALLOC_ARRAY(modes, n);
-				REALLOC_ARRAY(submodule_gitfile, n);
-
-				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 &&
-			 (!ignore_case || strcasecmp(src, dst))) {
-			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)
-			continue;
-		if (!ignore_errors)
-			die(_("%s, source=%s, destination=%s"),
-			     bad, src, dst);
-		if (--argc > 0) {
-			int n = argc - i;
-			memmove(source + i, source + i + 1,
-				n * sizeof(char *));
-			memmove(destination + i, destination + i + 1,
-				n * sizeof(char *));
-			memmove(modes + i, modes + i + 1,
-				n * sizeof(enum update_mode));
-			memmove(submodule_gitfile + i, submodule_gitfile + i + 1,
-				n * sizeof(char *));
-			i--;
-		}
-	}
-
-	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)
-			continue;
-		if (mode != INDEX && rename(src, dst) < 0) {
-			if (ignore_errors)
-				continue;
-			die_errno(_("renaming '%s' failed"), src);
-		}
-		if (submodule_gitfile[i]) {
-			if (!update_path_in_gitmodules(src, dst))
-				gitmodules_modified = 1;
-			if (submodule_gitfile[i] != SUBMODULE_WITH_GITDIR)
-				connect_work_tree_and_git_dir(dst,
-							      submodule_gitfile[i],
-							      1);
-		}
-
-		if (mode == WORKING_DIRECTORY)
-			continue;
-
-		pos = cache_name_pos(src, strlen(src));
-		assert(pos >= 0);
-		rename_cache_entry_at(pos, dst);
-	}
-
-	if (gitmodules_modified)
-		stage_updated_gitmodules(&the_index);
-
-	if (write_locked_index(&the_index, &lock_file,
-			       COMMIT_LOCK | SKIP_IF_UNCHANGED))
-		die(_("Unable to write new index file"));
-
-	return 0;
-}