| /* |
| * "git mv" builtin command |
| * |
| * Copyright (C) 2006 Johannes Schindelin |
| */ |
| #include "cache.h" |
| #include "builtin.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_copy_pathspec(const char *prefix, |
| const char **pathspec, |
| int count, unsigned flags) |
| { |
| int i; |
| const char **result = xmalloc((count + 1) * sizeof(const char *)); |
| memcpy(result, pathspec, count * sizeof(const char *)); |
| result[count] = NULL; |
| for (i = 0; i < count; i++) { |
| int length = strlen(result[i]); |
| int to_copy = length; |
| while (!(flags & KEEP_TRAILING_SLASH) && |
| to_copy > 0 && is_dir_sep(result[i][to_copy - 1])) |
| to_copy--; |
| if (to_copy != length || flags & DUP_BASENAME) { |
| char *it = xmemdupz(result[i], to_copy); |
| if (flags & DUP_BASENAME) { |
| result[i] = xstrdup(basename(it)); |
| free(it); |
| } else |
| result[i] = it; |
| } |
| } |
| return get_pathspec(prefix, result); |
| } |
| |
| static const char *add_slash(const char *path) |
| { |
| int len = strlen(path); |
| if (path[len - 1] != '/') { |
| char *with_slash = xmalloc(len + 2); |
| memcpy(with_slash, path, len); |
| with_slash[len++] = '/'; |
| with_slash[len] = 0; |
| return with_slash; |
| } |
| return path; |
| } |
| |
| static struct lock_file lock_file; |
| #define SUBMODULE_WITH_GITDIR ((const char *)1) |
| |
| int cmd_mv(int argc, const char **argv, const char *prefix) |
| { |
| int i, 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); |
| |
| 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; |
| } |
| if (src_w_slash != src) |
| 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 && |
| (!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) { |
| 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_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
| die(_("Unable to write new index file")); |
| } |
| |
| return 0; |
| } |