git-daemon: rewrite kindergarden, new option --max-connections
[gitweb.git] / builtin-mv.c
index b95b7d286ab5358a89a0309927b9f5e5e23fc4d0..4f65b5ae9baf66953e79886fd93fe31786b24d36 100644 (file)
@@ -7,10 +7,13 @@
 #include "builtin.h"
 #include "dir.h"
 #include "cache-tree.h"
-#include "path-list.h"
+#include "string-list.h"
+#include "parse-options.h"
 
-static const char builtin_mv_usage[] =
-"git-mv [-n] [-f] (<source> <destination> | [-k] <source>... <destination>)";
+static const char * const builtin_mv_usage[] = {
+       "git mv [options] <source>... <destination>",
+       NULL
+};
 
 static const char **copy_pathspec(const char *prefix, const char **pathspec,
                                  int count, int base_name)
@@ -22,10 +25,7 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec,
        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;
+                       result[i] = xmemdupz(result[i], length - 1);
                }
                if (base_name) {
                        const char *last_slash = strrchr(result[i], '/');
@@ -36,17 +36,6 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec,
        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);
@@ -64,69 +53,48 @@ static struct lock_file lock_file;
 
 int cmd_mv(int argc, const char **argv, const char *prefix)
 {
-       int i, newfd, count;
+       int i, newfd;
        int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
+       struct option builtin_mv_options[] = {
+               OPT__DRY_RUN(&show_only),
+               OPT_BOOLEAN('f', NULL, &force, "force move/rename even if target exists"),
+               OPT_BOOLEAN('k', NULL, &ignore_errors, "skip move/rename errors"),
+               OPT_END(),
+       };
        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};
+       struct string_list src_for_dst = {NULL, 0, 0, 0};
 
-       git_config(git_default_config);
+       git_config(git_default_config, NULL);
 
        newfd = hold_locked_index(&lock_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);
+       argc = parse_options(argc, argv, builtin_mv_options, builtin_mv_usage, 0);
+       if (--argc < 1)
+               usage_with_options(builtin_mv_usage, builtin_mv_options);
 
-       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);
+       source = copy_pathspec(prefix, argv, argc, 0);
+       modes = xcalloc(argc, sizeof(enum update_mode));
+       dest_path = copy_pathspec(prefix, argv + argc, 1, 0);
 
        if (dest_path[0][0] == '\0')
                /* special case: "." was normalized to "" */
-               destination = copy_pathspec(dest_path[0], argv + i, count, 1);
+               destination = copy_pathspec(dest_path[0], argv, argc, 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);
+               destination = copy_pathspec(dest_path[0], argv, argc, 1);
        } else {
-               if (count != 1)
-                       usage(builtin_mv_usage);
+               if (argc != 1)
+                       usage_with_options(builtin_mv_usage, builtin_mv_options);
                destination = dest_path;
        }
 
        /* Checking */
-       for (i = 0; i < count; i++) {
+       for (i = 0; i < argc; i++) {
                const char *src = source[i], *dst = destination[i];
                int length, src_is_dir;
                const char *bad = NULL;
@@ -170,29 +138,29 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
 
                                if (last - first > 0) {
                                        source = xrealloc(source,
-                                                       (count + last - first)
+                                                       (argc + last - first)
                                                        * sizeof(char *));
                                        destination = xrealloc(destination,
-                                                       (count + last - first)
+                                                       (argc + last - first)
                                                        * sizeof(char *));
                                        modes = xrealloc(modes,
-                                                       (count + last - first)
+                                                       (argc + last - first)
                                                        * sizeof(enum update_mode));
                                }
 
                                dst = add_slash(dst);
-                               dst_len = strlen(dst) - 1;
+                               dst_len = strlen(dst);
 
                                for (j = 0; j < last - first; j++) {
                                        const char *path =
                                                active_cache[first + j]->name;
-                                       source[count + j] = path;
-                                       destination[count + j] =
+                                       source[argc + j] = path;
+                                       destination[argc + j] =
                                                prefix_path(dst, dst_len,
-                                                       path + length);
-                                       modes[count + j] = INDEX;
+                                                       path + length + 1);
+                                       modes[argc + j] = INDEX;
                                }
-                               count += last - first;
+                               argc += last - first;
                        }
                } else if (lstat(dst, &st) == 0) {
                        bad = "destination exists";
@@ -201,30 +169,29 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                                 * only files can overwrite each other:
                                 * check both source and destination
                                 */
-                               if (S_ISREG(st.st_mode)) {
+                               if (S_ISREG(st.st_mode) || S_ISLNK(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))
+               else if (string_list_has_string(&src_for_dst, dst))
                        bad = "multiple sources for the same target";
                else
-                       path_list_insert(dst, &src_for_dst);
+                       string_list_insert(dst, &src_for_dst);
 
                if (bad) {
                        if (ignore_errors) {
-                               if (--count > 0) {
+                               if (--argc > 0) {
                                        memmove(source + i, source + i + 1,
-                                               (count - i) * sizeof(char *));
+                                               (argc - i) * sizeof(char *));
                                        memmove(destination + i,
                                                destination + i + 1,
-                                               (count - i) * sizeof(char *));
+                                               (argc - i) * sizeof(char *));
                                }
                        } else
                                die ("%s, source=%s, destination=%s",
@@ -232,9 +199,10 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                }
        }
 
-       for (i = 0; i < count; 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 && mode != INDEX &&
@@ -244,47 +212,16 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                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);
+               pos = cache_name_pos(src, strlen(src));
+               assert(pos >= 0);
+               if (!show_only)
+                       rename_cache_entry_at(pos, dst);
        }
 
-        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_cache(path, verbose);
-               }
-
-               for (i = 0; i < deleted.nr; i++)
-                       remove_file_from_cache(deleted.items[i].path);
-
-               if (active_cache_changed) {
-                       if (write_cache(newfd, active_cache, active_nr) ||
-                           close(newfd) ||
-                           commit_locked_index(&lock_file))
-                               die("Unable to write new index file");
-               }
+       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;