add: simplify -u/-A without pathspec
[gitweb.git] / builtin / add.c
index 8266a9cb7091c046f63c7b0137daf0bce0180a12..06ad3653f0105b411d5effe219105305cb47b843 100644 (file)
@@ -15,6 +15,7 @@
 #include "diffcore.h"
 #include "revision.h"
 #include "bulk-checkin.h"
+#include "argv-array.h"
 
 static const char * const builtin_add_usage[] = {
        N_("git add [options] [--] <pathspec>..."),
@@ -26,55 +27,8 @@ static int take_worktree_changes;
 struct update_callback_data {
        int flags;
        int add_errors;
-       const char *implicit_dot;
-       size_t implicit_dot_len;
-
-       /* only needed for 2.0 transition preparation */
-       int warn_add_would_remove;
 };
 
-static const char *option_with_implicit_dot;
-static const char *short_option_with_implicit_dot;
-
-static void warn_pathless_add(void)
-{
-       static int shown;
-       assert(option_with_implicit_dot && short_option_with_implicit_dot);
-
-       if (shown)
-               return;
-       shown = 1;
-
-       /*
-        * To be consistent with "git add -p" and most Git
-        * commands, we should default to being tree-wide, but
-        * this is not the original behavior and can't be
-        * changed until users trained themselves not to type
-        * "git add -u" or "git add -A". For now, we warn and
-        * keep the old behavior. Later, the behavior can be changed
-        * to tree-wide, keeping the warning for a while, and
-        * eventually we can drop the warning.
-        */
-       warning(_("The behavior of 'git add %s (or %s)' with no path argument from a\n"
-                 "subdirectory of the tree will change in Git 2.0 and should not be used anymore.\n"
-                 "To add content for the whole tree, run:\n"
-                 "\n"
-                 "  git add %s :/\n"
-                 "  (or git add %s :/)\n"
-                 "\n"
-                 "To restrict the command to the current directory, run:\n"
-                 "\n"
-                 "  git add %s .\n"
-                 "  (or git add %s .)\n"
-                 "\n"
-                 "With the current Git version, the command is restricted to "
-                 "the current directory.\n"
-                 ""),
-               option_with_implicit_dot, short_option_with_implicit_dot,
-               option_with_implicit_dot, short_option_with_implicit_dot,
-               option_with_implicit_dot, short_option_with_implicit_dot);
-}
-
 static int fix_unmerged_status(struct diff_filepair *p,
                               struct update_callback_data *data)
 {
@@ -96,49 +50,15 @@ static int fix_unmerged_status(struct diff_filepair *p,
                return DIFF_STATUS_MODIFIED;
 }
 
-static const char *add_would_remove_warning = N_(
-       "You ran 'git add' with neither '-A (--all)' or '--ignore-removal',\n"
-"whose behaviour will change in Git 2.0 with respect to paths you removed.\n"
-"Paths like '%s' that are\n"
-"removed from your working tree are ignored with this version of Git.\n"
-"\n"
-"* 'git add --ignore-removal <pathspec>', which is the current default,\n"
-"  ignores paths you removed from your working tree.\n"
-"\n"
-"* 'git add --all <pathspec>' will let you also record the removals.\n"
-"\n"
-"Run 'git status' to check the paths you removed from your working tree.\n");
-
-static void warn_add_would_remove(const char *path)
-{
-       warning(_(add_would_remove_warning), path);
-}
-
 static void update_callback(struct diff_queue_struct *q,
                            struct diff_options *opt, void *cbdata)
 {
        int i;
        struct update_callback_data *data = cbdata;
-       const char *implicit_dot = data->implicit_dot;
-       size_t implicit_dot_len = data->implicit_dot_len;
 
        for (i = 0; i < q->nr; i++) {
                struct diff_filepair *p = q->queue[i];
                const char *path = p->one->path;
-               /*
-                * Check if "git add -A" or "git add -u" was run from a
-                * subdirectory with a modified file outside that directory,
-                * and warn if so.
-                *
-                * "git add -u" will behave like "git add -u :/" instead of
-                * "git add -u ." in the future.  This warning prepares for
-                * that change.
-                */
-               if (implicit_dot &&
-                   strncmp_icase(path, implicit_dot, implicit_dot_len)) {
-                       warn_pathless_add();
-                       continue;
-               }
                switch (fix_unmerged_status(p, data)) {
                default:
                        die(_("unexpected diff status %c"), p->status);
@@ -151,10 +71,6 @@ static void update_callback(struct diff_queue_struct *q,
                        }
                        break;
                case DIFF_STATUS_DELETED:
-                       if (data->warn_add_would_remove) {
-                               warn_add_would_remove(path);
-                               data->warn_add_would_remove = 0;
-                       }
                        if (data->flags & ADD_CACHE_IGNORE_REMOVAL)
                                break;
                        if (!(data->flags & ADD_CACHE_PRETEND))
@@ -166,159 +82,97 @@ static void update_callback(struct diff_queue_struct *q,
        }
 }
 
-static void update_files_in_cache(const char *prefix, const char **pathspec,
-                                 struct update_callback_data *data)
+int add_files_to_cache(const char *prefix,
+                      const struct pathspec *pathspec, int flags)
 {
+       struct update_callback_data data;
        struct rev_info rev;
 
+       memset(&data, 0, sizeof(data));
+       data.flags = flags;
+
        init_revisions(&rev, prefix);
        setup_revisions(0, NULL, &rev, NULL);
-       init_pathspec(&rev.prune_data, pathspec);
+       if (pathspec)
+               copy_pathspec(&rev.prune_data, pathspec);
        rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = update_callback;
-       rev.diffopt.format_callback_data = data;
+       rev.diffopt.format_callback_data = &data;
        rev.max_count = 0; /* do not compare unmerged paths with stage #2 */
        run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
-}
-
-int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
-{
-       struct update_callback_data data;
-
-       memset(&data, 0, sizeof(data));
-       data.flags = flags;
-       update_files_in_cache(prefix, pathspec, &data);
        return !!data.add_errors;
 }
 
-#define WARN_IMPLICIT_DOT (1u << 0)
-static char *prune_directory(struct dir_struct *dir, const char **pathspec,
-                            int prefix, unsigned flag)
+static char *prune_directory(struct dir_struct *dir, struct pathspec *pathspec, int prefix)
 {
        char *seen;
-       int i, specs;
+       int i;
        struct dir_entry **src, **dst;
 
-       for (specs = 0; pathspec[specs];  specs++)
-               /* nothing */;
-       seen = xcalloc(specs, 1);
+       seen = xcalloc(pathspec->nr, 1);
 
        src = dst = dir->entries;
        i = dir->nr;
        while (--i >= 0) {
                struct dir_entry *entry = *src++;
-               if (match_pathspec(pathspec, entry->name, entry->len,
-                                  prefix, seen))
+               if (dir_path_match(entry, pathspec, prefix, seen))
                        *dst++ = entry;
-               else if (flag & WARN_IMPLICIT_DOT)
-                       /*
-                        * "git add -A" was run from a subdirectory with a
-                        * new file outside that directory.
-                        *
-                        * "git add -A" will behave like "git add -A :/"
-                        * instead of "git add -A ." in the future.
-                        * Warn about the coming behavior change.
-                        */
-                       warn_pathless_add();
        }
        dir->nr = dst - dir->entries;
-       add_pathspec_matches_against_index(pathspec, seen, specs);
+       add_pathspec_matches_against_index(pathspec, seen);
        return seen;
 }
 
-/*
- * Checks the index to see whether any path in pathspec refers to
- * something inside a submodule.  If so, dies with an error message.
- */
-static void treat_gitlinks(const char **pathspec)
-{
-       int i;
-
-       if (!pathspec || !*pathspec)
-               return;
-
-       for (i = 0; pathspec[i]; i++)
-               pathspec[i] = check_path_for_gitlink(pathspec[i]);
-}
-
-static void refresh(int verbose, const char **pathspec)
+static void refresh(int verbose, const struct pathspec *pathspec)
 {
        char *seen;
-       int i, specs;
+       int i;
 
-       for (specs = 0; pathspec[specs];  specs++)
-               /* nothing */;
-       seen = xcalloc(specs, 1);
+       seen = xcalloc(pathspec->nr, 1);
        refresh_index(&the_index, verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET,
                      pathspec, seen, _("Unstaged changes after refreshing the index:"));
-       for (i = 0; i < specs; i++) {
+       for (i = 0; i < pathspec->nr; i++) {
                if (!seen[i])
-                       die(_("pathspec '%s' did not match any files"), pathspec[i]);
+                       die(_("pathspec '%s' did not match any files"),
+                           pathspec->items[i].match);
        }
         free(seen);
 }
 
-/*
- * Normalizes argv relative to prefix, via get_pathspec(), and then
- * runs die_if_path_beyond_symlink() on each path in the normalized
- * list.
- */
-static const char **validate_pathspec(const char **argv, const char *prefix)
-{
-       const char **pathspec = get_pathspec(prefix, argv);
-
-       if (pathspec) {
-               const char **p;
-               for (p = pathspec; *p; p++) {
-                       die_if_path_beyond_symlink(*p, prefix);
-               }
-       }
-
-       return pathspec;
-}
-
 int run_add_interactive(const char *revision, const char *patch_mode,
-                       const char **pathspec)
+                       const struct pathspec *pathspec)
 {
-       int status, ac, pc = 0;
-       const char **args;
-
-       if (pathspec)
-               while (pathspec[pc])
-                       pc++;
+       int status, i;
+       struct argv_array argv = ARGV_ARRAY_INIT;
 
-       args = xcalloc(sizeof(const char *), (pc + 5));
-       ac = 0;
-       args[ac++] = "add--interactive";
+       argv_array_push(&argv, "add--interactive");
        if (patch_mode)
-               args[ac++] = patch_mode;
+               argv_array_push(&argv, patch_mode);
        if (revision)
-               args[ac++] = revision;
-       args[ac++] = "--";
-       if (pc) {
-               memcpy(&(args[ac]), pathspec, sizeof(const char *) * pc);
-               ac += pc;
-       }
-       args[ac] = NULL;
-
-       status = run_command_v_opt(args, RUN_GIT_CMD);
-       free(args);
+               argv_array_push(&argv, revision);
+       argv_array_push(&argv, "--");
+       for (i = 0; i < pathspec->nr; i++)
+               /* pass original pathspec, to be re-parsed */
+               argv_array_push(&argv, pathspec->items[i].original);
+
+       status = run_command_v_opt(argv.argv, RUN_GIT_CMD);
+       argv_array_clear(&argv);
        return status;
 }
 
 int interactive_add(int argc, const char **argv, const char *prefix, int patch)
 {
-       const char **pathspec = NULL;
+       struct pathspec pathspec;
 
-       if (argc) {
-               pathspec = validate_pathspec(argv, prefix);
-               if (!pathspec)
-                       return -1;
-       }
+       parse_pathspec(&pathspec, 0,
+                      PATHSPEC_PREFER_FULL |
+                      PATHSPEC_SYMLINK_LEADING_PATH |
+                      PATHSPEC_PREFIX_ORIGIN,
+                      prefix, argv);
 
        return run_add_interactive(NULL,
                                   patch ? "--patch" : NULL,
-                                  pathspec);
+                                  &pathspec);
 }
 
 static int edit_patch(int argc, const char **argv, const char *prefix)
@@ -336,7 +190,7 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
        git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
 
        if (read_cache() < 0)
-               die (_("Could not read the index"));
+               die(_("Could not read the index"));
 
        init_revisions(&rev, prefix);
        rev.diffopt.context = 7;
@@ -347,11 +201,11 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
        DIFF_OPT_SET(&rev.diffopt, IGNORE_DIRTY_SUBMODULES);
        out = open(file, O_CREAT | O_WRONLY, 0666);
        if (out < 0)
-               die (_("Could not open '%s' for writing."), file);
+               die(_("Could not open '%s' for writing."), file);
        rev.diffopt.file = xfdopen(out, "w");
        rev.diffopt.close_file = 1;
        if (run_diff_files(&rev, 0))
-               die (_("Could not write patch"));
+               die(_("Could not write patch"));
 
        launch_editor(file, NULL, NULL);
 
@@ -364,7 +218,7 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
        child.git_cmd = 1;
        child.argv = apply_argv;
        if (run_command(&child))
-               die (_("Could not apply '%s'"), file);
+               die(_("Could not apply '%s'"), file);
 
        unlink(file);
        free(file);
@@ -379,7 +233,7 @@ N_("The following paths are ignored by one of your .gitignore files:\n");
 static int verbose, show_only, ignored_too, refresh_only;
 static int ignore_add_errors, intent_to_add, ignore_missing;
 
-#define ADDREMOVE_DEFAULT 0 /* Change to 1 in Git 2.0 */
+#define ADDREMOVE_DEFAULT 1
 static int addremove = ADDREMOVE_DEFAULT;
 static int addremove_explicit = -1; /* unspecified */
 
@@ -446,14 +300,12 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 {
        int exit_status = 0;
        int newfd;
-       const char **pathspec;
+       struct pathspec pathspec;
        struct dir_struct dir;
        int flags;
        int add_new_files;
        int require_pathspec;
        char *seen = NULL;
-       int implicit_dot = 0;
-       struct update_callback_data update_data;
 
        git_config(add_config, NULL);
 
@@ -477,40 +329,15 @@ int cmd_add(int argc, const char **argv, const char *prefix)
        if (addremove && take_worktree_changes)
                die(_("-A and -u are mutually incompatible"));
 
-       /*
-        * Warn when "git add pathspec..." was given without "-u" or "-A"
-        * and pathspec... covers a removed path.
-        */
-       memset(&update_data, 0, sizeof(update_data));
-       if (!take_worktree_changes && addremove_explicit < 0)
-               update_data.warn_add_would_remove = 1;
-
        if (!take_worktree_changes && addremove_explicit < 0 && argc)
-               /*
-                * Turn "git add pathspec..." to "git add -A pathspec..."
-                * in Git 2.0 but not yet
-                */
-               ; /* addremove = 1; */
+               /* Turn "git add pathspec..." to "git add -A pathspec..." */
+               addremove = 1;
 
        if (!show_only && ignore_missing)
                die(_("Option --ignore-missing can only be used together with --dry-run"));
-       if (addremove) {
-               option_with_implicit_dot = "--all";
-               short_option_with_implicit_dot = "-A";
-       }
-       if (take_worktree_changes) {
-               option_with_implicit_dot = "--update";
-               short_option_with_implicit_dot = "-u";
-       }
-       if (option_with_implicit_dot && !argc) {
-               static const char *here[2] = { ".", NULL };
-               argc = 1;
-               argv = here;
-               implicit_dot = 1;
-       }
 
        add_new_files = !take_worktree_changes && !refresh_only;
-       require_pathspec = !take_worktree_changes;
+       require_pathspec = !(take_worktree_changes || (0 < addremove_explicit));
 
        newfd = hold_locked_index(&lock_file, 1);
 
@@ -519,22 +346,30 @@ int cmd_add(int argc, const char **argv, const char *prefix)
                 (intent_to_add ? ADD_CACHE_INTENT : 0) |
                 (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
                 (!(addremove || take_worktree_changes)
-                 ? ADD_CACHE_IGNORE_REMOVAL : 0)) |
-                (implicit_dot ? ADD_CACHE_IMPLICIT_DOT : 0);
+                 ? ADD_CACHE_IGNORE_REMOVAL : 0));
 
        if (require_pathspec && argc == 0) {
                fprintf(stderr, _("Nothing specified, nothing added.\n"));
                fprintf(stderr, _("Maybe you wanted to say 'git add .'?\n"));
                return 0;
        }
-       pathspec = validate_pathspec(argv, prefix);
 
        if (read_cache() < 0)
                die(_("index file corrupt"));
-       treat_gitlinks(pathspec);
+
+       /*
+        * Check the "pathspec '%s' did not match any files" block
+        * below before enabling new magic.
+        */
+       parse_pathspec(&pathspec, 0,
+                      PATHSPEC_PREFER_FULL |
+                      PATHSPEC_SYMLINK_LEADING_PATH |
+                      PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE,
+                      prefix, argv);
 
        if (add_new_files) {
                int baselen;
+               struct pathspec empty_pathspec;
 
                /* Set up the default git porcelain excludes */
                memset(&dir, 0, sizeof(dir));
@@ -543,35 +378,49 @@ int cmd_add(int argc, const char **argv, const char *prefix)
                        setup_standard_excludes(&dir);
                }
 
+               memset(&empty_pathspec, 0, sizeof(empty_pathspec));
                /* This picks up the paths that are not tracked */
-               baselen = fill_directory(&dir, implicit_dot ? NULL : pathspec);
-               if (pathspec)
-                       seen = prune_directory(&dir, pathspec, baselen,
-                                       implicit_dot ? WARN_IMPLICIT_DOT : 0);
+               baselen = fill_directory(&dir, &pathspec);
+               if (pathspec.nr)
+                       seen = prune_directory(&dir, &pathspec, baselen);
        }
 
        if (refresh_only) {
-               refresh(verbose, pathspec);
+               refresh(verbose, &pathspec);
                goto finish;
        }
-       if (implicit_dot && prefix)
-               refresh_cache(REFRESH_QUIET);
 
-       if (pathspec) {
+       if (pathspec.nr) {
                int i;
 
                if (!seen)
-                       seen = find_pathspecs_matching_against_index(pathspec);
-               for (i = 0; pathspec[i]; i++) {
-                       if (!seen[i] && pathspec[i][0]
-                           && !file_exists(pathspec[i])) {
+                       seen = find_pathspecs_matching_against_index(&pathspec);
+
+               /*
+                * file_exists() assumes exact match
+                */
+               GUARD_PATHSPEC(&pathspec,
+                              PATHSPEC_FROMTOP |
+                              PATHSPEC_LITERAL |
+                              PATHSPEC_GLOB |
+                              PATHSPEC_ICASE |
+                              PATHSPEC_EXCLUDE);
+
+               for (i = 0; i < pathspec.nr; i++) {
+                       const char *path = pathspec.items[i].match;
+                       if (pathspec.items[i].magic & PATHSPEC_EXCLUDE)
+                               continue;
+                       if (!seen[i] && path[0] &&
+                           ((pathspec.items[i].magic &
+                             (PATHSPEC_GLOB | PATHSPEC_ICASE)) ||
+                            !file_exists(path))) {
                                if (ignore_missing) {
                                        int dtype = DT_UNKNOWN;
-                                       if (is_excluded(&dir, pathspec[i], &dtype))
-                                               dir_add_ignored(&dir, pathspec[i], strlen(pathspec[i]));
+                                       if (is_excluded(&dir, path, &dtype))
+                                               dir_add_ignored(&dir, path, pathspec.items[i].len);
                                } else
                                        die(_("pathspec '%s' did not match any files"),
-                                           pathspec[i]);
+                                           pathspec.items[i].original);
                        }
                }
                free(seen);
@@ -579,26 +428,14 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 
        plug_bulk_checkin();
 
-       if ((flags & ADD_CACHE_IMPLICIT_DOT) && prefix) {
-               /*
-                * Check for modified files throughout the worktree so
-                * update_callback has a chance to warn about changes
-                * outside the cwd.
-                */
-               update_data.implicit_dot = prefix;
-               update_data.implicit_dot_len = strlen(prefix);
-               pathspec = NULL;
-       }
-       update_data.flags = flags & ~ADD_CACHE_IMPLICIT_DOT;
-       update_files_in_cache(prefix, pathspec, &update_data);
+       exit_status |= add_files_to_cache(prefix, &pathspec, flags);
 
-       exit_status |= !!update_data.add_errors;
        if (add_new_files)
                exit_status |= add_files(&dir, flags);
 
        unplug_bulk_checkin();
 
- finish:
+finish:
        if (active_cache_changed) {
                if (write_cache(newfd, active_cache, active_nr) ||
                    commit_locked_index(&lock_file))