diff options
Diffstat (limited to 'builtin-mv.c')
-rw-r--r-- | builtin-mv.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/builtin-mv.c b/builtin-mv.c deleted file mode 100644 index 737af350b8..0000000000 --- a/builtin-mv.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * "git mv" builtin command - * - * Copyright (C) 2006 Johannes Schindelin - */ -#include "cache.h" -#include "builtin.h" -#include "dir.h" -#include "cache-tree.h" -#include "path-list.h" - -static const char builtin_mv_usage[] = -"git-mv [-n] [-f] (<source> <destination> | [-k] <source>... <destination>)"; - -static const char **copy_pathspec(const char *prefix, const char **pathspec, - int count, int base_name) -{ - 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]); - if (length > 0 && result[i][length - 1] == '/') { - char *without_slash = xmalloc(length); - memcpy(without_slash, result[i], length - 1); - without_slash[length - 1] = '\0'; - result[i] = without_slash; - } - if (base_name) { - const char *last_slash = strrchr(result[i], '/'); - if (last_slash) - result[i] = last_slash + 1; - } - } - return get_pathspec(prefix, result); -} - -static void show_list(const char *label, struct path_list *list) -{ - if (list->nr > 0) { - int i; - printf("%s", label); - for (i = 0; i < list->nr; i++) - printf("%s%s", i > 0 ? ", " : "", list->items[i].path); - putchar('\n'); - } -} - -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; - -int cmd_mv(int argc, const char **argv, const char *prefix) -{ - int i, newfd, count; - int verbose = 0, show_only = 0, force = 0, ignore_errors = 0; - const char **source, **destination, **dest_path; - enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes; - struct stat st; - struct path_list overwritten = {NULL, 0, 0, 0}; - struct path_list src_for_dst = {NULL, 0, 0, 0}; - struct path_list added = {NULL, 0, 0, 0}; - struct path_list deleted = {NULL, 0, 0, 0}; - struct path_list changed = {NULL, 0, 0, 0}; - - git_config(git_default_config); - - newfd = hold_lock_file_for_update(&lock_file, get_index_file(), 1); - if (read_cache() < 0) - die("index file corrupt"); - - for (i = 1; i < argc; i++) { - const char *arg = argv[i]; - - if (arg[0] != '-') - break; - if (!strcmp(arg, "--")) { - i++; - break; - } - if (!strcmp(arg, "-n")) { - show_only = 1; - continue; - } - if (!strcmp(arg, "-f")) { - force = 1; - continue; - } - if (!strcmp(arg, "-k")) { - ignore_errors = 1; - continue; - } - usage(builtin_mv_usage); - } - count = argc - i - 1; - if (count < 1) - usage(builtin_mv_usage); - - source = copy_pathspec(prefix, argv + i, count, 0); - modes = xcalloc(count, sizeof(enum update_mode)); - dest_path = copy_pathspec(prefix, argv + argc - 1, 1, 0); - - if (dest_path[0][0] == '\0') - /* special case: "." was normalized to "" */ - destination = copy_pathspec(dest_path[0], argv + i, count, 1); - else if (!lstat(dest_path[0], &st) && - S_ISDIR(st.st_mode)) { - dest_path[0] = add_slash(dest_path[0]); - destination = copy_pathspec(dest_path[0], argv + i, count, 1); - } else { - if (count != 1) - usage(builtin_mv_usage); - destination = dest_path; - } - - /* Checking */ - for (i = 0; i < count; 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) { - const char *src_w_slash = add_slash(src); - int len_w_slash = length + 1; - int first, last; - - 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, - (count + last - first) - * sizeof(char *)); - destination = xrealloc(destination, - (count + last - first) - * sizeof(char *)); - modes = xrealloc(modes, - (count + last - first) - * sizeof(enum update_mode)); - } - - dst = add_slash(dst); - dst_len = strlen(dst) - 1; - - for (j = 0; j < last - first; j++) { - const char *path = - active_cache[first + j]->name; - source[count + j] = path; - destination[count + j] = - prefix_path(dst, dst_len, - path + length); - modes[count + j] = INDEX; - } - count += last - first; - } - } 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)) { - fprintf(stderr, "Warning: %s;" - " will overwrite!\n", - bad); - bad = NULL; - path_list_insert(dst, &overwritten); - } else - bad = "Cannot overwrite"; - } - } else if (cache_name_pos(src, length) < 0) - bad = "not under version control"; - else if (path_list_has_path(&src_for_dst, dst)) - bad = "multiple sources for the same target"; - else - path_list_insert(dst, &src_for_dst); - - if (bad) { - if (ignore_errors) { - if (--count > 0) { - memmove(source + i, source + i + 1, - (count - i) * sizeof(char *)); - memmove(destination + i, - destination + i + 1, - (count - i) * sizeof(char *)); - } - } else - die ("%s, source=%s, destination=%s", - bad, src, dst); - } - } - - for (i = 0; i < count; i++) { - const char *src = source[i], *dst = destination[i]; - enum update_mode mode = modes[i]; - if (show_only || verbose) - printf("Renaming %s to %s\n", src, dst); - if (!show_only && mode != INDEX && - rename(src, dst) < 0 && !ignore_errors) - die ("renaming %s failed: %s", src, strerror(errno)); - - if (mode == WORKING_DIRECTORY) - continue; - - if (cache_name_pos(src, strlen(src)) >= 0) { - path_list_insert(src, &deleted); - - /* destination can be a directory with 1 file inside */ - if (path_list_has_path(&overwritten, dst)) - path_list_insert(dst, &changed); - else - path_list_insert(dst, &added); - } else - path_list_insert(dst, &added); - } - - if (show_only) { - show_list("Changed : ", &changed); - show_list("Adding : ", &added); - show_list("Deleting : ", &deleted); - } else { - for (i = 0; i < changed.nr; i++) { - const char *path = changed.items[i].path; - int j = cache_name_pos(path, strlen(path)); - struct cache_entry *ce = active_cache[j]; - - if (j < 0) - die ("Huh? Cache entry for %s unknown?", path); - refresh_cache_entry(ce, 0); - } - - for (i = 0; i < added.nr; i++) { - const char *path = added.items[i].path; - add_file_to_index(path, verbose); - } - - for (i = 0; i < deleted.nr; i++) { - const char *path = deleted.items[i].path; - remove_file_from_cache(path); - cache_tree_invalidate_path(active_cache_tree, path); - } - - if (active_cache_changed) { - if (write_cache(newfd, active_cache, active_nr) || - close(newfd) || - commit_lock_file(&lock_file)) - die("Unable to write new index file"); - } - } - - return 0; -} |