diff options
Diffstat (limited to 'third_party/git/add-interactive.c')
| -rw-r--r-- | third_party/git/add-interactive.c | 1176 |
1 files changed, 1176 insertions, 0 deletions
diff --git a/third_party/git/add-interactive.c b/third_party/git/add-interactive.c new file mode 100644 index 0000000000..4a9bf85cac --- /dev/null +++ b/third_party/git/add-interactive.c @@ -0,0 +1,1176 @@ +#include "cache.h" +#include "add-interactive.h" +#include "color.h" +#include "config.h" +#include "diffcore.h" +#include "revision.h" +#include "refs.h" +#include "string-list.h" +#include "lockfile.h" +#include "dir.h" +#include "run-command.h" + +static void init_color(struct repository *r, struct add_i_state *s, + const char *slot_name, char *dst, + const char *default_color) +{ + char *key = xstrfmt("color.interactive.%s", slot_name); + const char *value; + + if (!s->use_color) + dst[0] = '\0'; + else if (repo_config_get_value(r, key, &value) || + color_parse(value, dst)) + strlcpy(dst, default_color, COLOR_MAXLEN); + + free(key); +} + +void init_add_i_state(struct add_i_state *s, struct repository *r) +{ + const char *value; + + s->r = r; + + if (repo_config_get_value(r, "color.interactive", &value)) + s->use_color = -1; + else + s->use_color = + git_config_colorbool("color.interactive", value); + s->use_color = want_color(s->use_color); + + init_color(r, s, "header", s->header_color, GIT_COLOR_BOLD); + init_color(r, s, "help", s->help_color, GIT_COLOR_BOLD_RED); + init_color(r, s, "prompt", s->prompt_color, GIT_COLOR_BOLD_BLUE); + init_color(r, s, "error", s->error_color, GIT_COLOR_BOLD_RED); + init_color(r, s, "reset", s->reset_color, GIT_COLOR_RESET); + init_color(r, s, "fraginfo", s->fraginfo_color, + diff_get_color(s->use_color, DIFF_FRAGINFO)); + init_color(r, s, "context", s->context_color, + diff_get_color(s->use_color, DIFF_CONTEXT)); + init_color(r, s, "old", s->file_old_color, + diff_get_color(s->use_color, DIFF_FILE_OLD)); + init_color(r, s, "new", s->file_new_color, + diff_get_color(s->use_color, DIFF_FILE_NEW)); + + FREE_AND_NULL(s->interactive_diff_filter); + git_config_get_string("interactive.difffilter", + &s->interactive_diff_filter); + + FREE_AND_NULL(s->interactive_diff_algorithm); + git_config_get_string("diff.algorithm", + &s->interactive_diff_algorithm); + + git_config_get_bool("interactive.singlekey", &s->use_single_key); +} + +void clear_add_i_state(struct add_i_state *s) +{ + FREE_AND_NULL(s->interactive_diff_filter); + FREE_AND_NULL(s->interactive_diff_algorithm); + memset(s, 0, sizeof(*s)); + s->use_color = -1; +} + +/* + * A "prefix item list" is a list of items that are identified by a string, and + * a unique prefix (if any) is determined for each item. + * + * It is implemented in the form of a pair of `string_list`s, the first one + * duplicating the strings, with the `util` field pointing at a structure whose + * first field must be `size_t prefix_length`. + * + * That `prefix_length` field will be computed by `find_unique_prefixes()`; It + * will be set to zero if no valid, unique prefix could be found. + * + * The second `string_list` is called `sorted` and does _not_ duplicate the + * strings but simply reuses the first one's, with the `util` field pointing at + * the `string_item_list` of the first `string_list`. It will be populated and + * sorted by `find_unique_prefixes()`. + */ +struct prefix_item_list { + struct string_list items; + struct string_list sorted; + int *selected; /* for multi-selections */ + size_t min_length, max_length; +}; +#define PREFIX_ITEM_LIST_INIT \ + { STRING_LIST_INIT_DUP, STRING_LIST_INIT_NODUP, NULL, 1, 4 } + +static void prefix_item_list_clear(struct prefix_item_list *list) +{ + string_list_clear(&list->items, 1); + string_list_clear(&list->sorted, 0); + FREE_AND_NULL(list->selected); +} + +static void extend_prefix_length(struct string_list_item *p, + const char *other_string, size_t max_length) +{ + size_t *len = p->util; + + if (!*len || memcmp(p->string, other_string, *len)) + return; + + for (;;) { + char c = p->string[*len]; + + /* + * Is `p` a strict prefix of `other`? Or have we exhausted the + * maximal length of the prefix? Or is the current character a + * multi-byte UTF-8 one? If so, there is no valid, unique + * prefix. + */ + if (!c || ++*len > max_length || !isascii(c)) { + *len = 0; + break; + } + + if (c != other_string[*len - 1]) + break; + } +} + +static void find_unique_prefixes(struct prefix_item_list *list) +{ + size_t i; + + if (list->sorted.nr == list->items.nr) + return; + + string_list_clear(&list->sorted, 0); + /* Avoid reallocating incrementally */ + list->sorted.items = xmalloc(st_mult(sizeof(*list->sorted.items), + list->items.nr)); + list->sorted.nr = list->sorted.alloc = list->items.nr; + + for (i = 0; i < list->items.nr; i++) { + list->sorted.items[i].string = list->items.items[i].string; + list->sorted.items[i].util = list->items.items + i; + } + + string_list_sort(&list->sorted); + + for (i = 0; i < list->sorted.nr; i++) { + struct string_list_item *sorted_item = list->sorted.items + i; + struct string_list_item *item = sorted_item->util; + size_t *len = item->util; + + *len = 0; + while (*len < list->min_length) { + char c = item->string[(*len)++]; + + if (!c || !isascii(c)) { + *len = 0; + break; + } + } + + if (i > 0) + extend_prefix_length(item, sorted_item[-1].string, + list->max_length); + if (i + 1 < list->sorted.nr) + extend_prefix_length(item, sorted_item[1].string, + list->max_length); + } +} + +static ssize_t find_unique(const char *string, struct prefix_item_list *list) +{ + int index = string_list_find_insert_index(&list->sorted, string, 1); + struct string_list_item *item; + + if (list->items.nr != list->sorted.nr) + BUG("prefix_item_list in inconsistent state (%"PRIuMAX + " vs %"PRIuMAX")", + (uintmax_t)list->items.nr, (uintmax_t)list->sorted.nr); + + if (index < 0) + item = list->sorted.items[-1 - index].util; + else if (index > 0 && + starts_with(list->sorted.items[index - 1].string, string)) + return -1; + else if (index + 1 < list->sorted.nr && + starts_with(list->sorted.items[index + 1].string, string)) + return -1; + else if (index < list->sorted.nr) + item = list->sorted.items[index].util; + else + return -1; + return item - list->items.items; +} + +struct list_options { + int columns; + const char *header; + void (*print_item)(int i, int selected, struct string_list_item *item, + void *print_item_data); + void *print_item_data; +}; + +static void list(struct add_i_state *s, struct string_list *list, int *selected, + struct list_options *opts) +{ + int i, last_lf = 0; + + if (!list->nr) + return; + + if (opts->header) + color_fprintf_ln(stdout, s->header_color, + "%s", opts->header); + + for (i = 0; i < list->nr; i++) { + opts->print_item(i, selected ? selected[i] : 0, list->items + i, + opts->print_item_data); + + if ((opts->columns) && ((i + 1) % (opts->columns))) { + putchar('\t'); + last_lf = 0; + } + else { + putchar('\n'); + last_lf = 1; + } + } + + if (!last_lf) + putchar('\n'); +} +struct list_and_choose_options { + struct list_options list_opts; + + const char *prompt; + enum { + SINGLETON = (1<<0), + IMMEDIATE = (1<<1), + } flags; + void (*print_help)(struct add_i_state *s); +}; + +#define LIST_AND_CHOOSE_ERROR (-1) +#define LIST_AND_CHOOSE_QUIT (-2) + +/* + * Returns the selected index in singleton mode, the number of selected items + * otherwise. + * + * If an error occurred, returns `LIST_AND_CHOOSE_ERROR`. Upon EOF, + * `LIST_AND_CHOOSE_QUIT` is returned. + */ +static ssize_t list_and_choose(struct add_i_state *s, + struct prefix_item_list *items, + struct list_and_choose_options *opts) +{ + int singleton = opts->flags & SINGLETON; + int immediate = opts->flags & IMMEDIATE; + + struct strbuf input = STRBUF_INIT; + ssize_t res = singleton ? LIST_AND_CHOOSE_ERROR : 0; + + if (!singleton) { + free(items->selected); + CALLOC_ARRAY(items->selected, items->items.nr); + } + + if (singleton && !immediate) + BUG("singleton requires immediate"); + + find_unique_prefixes(items); + + for (;;) { + char *p; + + strbuf_reset(&input); + + list(s, &items->items, items->selected, &opts->list_opts); + + color_fprintf(stdout, s->prompt_color, "%s", opts->prompt); + fputs(singleton ? "> " : ">> ", stdout); + fflush(stdout); + + if (strbuf_getline(&input, stdin) == EOF) { + putchar('\n'); + if (immediate) + res = LIST_AND_CHOOSE_QUIT; + break; + } + strbuf_trim(&input); + + if (!input.len) + break; + + if (!strcmp(input.buf, "?")) { + opts->print_help(s); + continue; + } + + p = input.buf; + for (;;) { + size_t sep = strcspn(p, " \t\r\n,"); + int choose = 1; + /* `from` is inclusive, `to` is exclusive */ + ssize_t from = -1, to = -1; + + if (!sep) { + if (!*p) + break; + p++; + continue; + } + + /* Input that begins with '-'; de-select */ + if (*p == '-') { + choose = 0; + p++; + sep--; + } + + if (sep == 1 && *p == '*') { + from = 0; + to = items->items.nr; + } else if (isdigit(*p)) { + char *endp; + /* + * A range can be specified like 5-7 or 5-. + * + * Note: `from` is 0-based while the user input + * is 1-based, hence we have to decrement by + * one. We do not have to decrement `to` even + * if it is 0-based because it is an exclusive + * boundary. + */ + from = strtoul(p, &endp, 10) - 1; + if (endp == p + sep) + to = from + 1; + else if (*endp == '-') { + if (isdigit(*(++endp))) + to = strtoul(endp, &endp, 10); + else + to = items->items.nr; + /* extra characters after the range? */ + if (endp != p + sep) + from = -1; + } + } + + if (p[sep]) + p[sep++] = '\0'; + if (from < 0) { + from = find_unique(p, items); + if (from >= 0) + to = from + 1; + } + + if (from < 0 || from >= items->items.nr || + (singleton && from + 1 != to)) { + color_fprintf_ln(stdout, s->error_color, + _("Huh (%s)?"), p); + break; + } else if (singleton) { + res = from; + break; + } + + if (to > items->items.nr) + to = items->items.nr; + + for (; from < to; from++) + if (items->selected[from] != choose) { + items->selected[from] = choose; + res += choose ? +1 : -1; + } + + p += sep; + } + + if ((immediate && res != LIST_AND_CHOOSE_ERROR) || + !strcmp(input.buf, "*")) + break; + } + + strbuf_release(&input); + return res; +} + +struct adddel { + uintmax_t add, del; + unsigned seen:1, unmerged:1, binary:1; +}; + +struct file_item { + size_t prefix_length; + struct adddel index, worktree; +}; + +static void add_file_item(struct string_list *files, const char *name) +{ + struct file_item *item = xcalloc(sizeof(*item), 1); + + string_list_append(files, name)->util = item; +} + +struct pathname_entry { + struct hashmap_entry ent; + const char *name; + struct file_item *item; +}; + +static int pathname_entry_cmp(const void *unused_cmp_data, + const struct hashmap_entry *he1, + const struct hashmap_entry *he2, + const void *name) +{ + const struct pathname_entry *e1 = + container_of(he1, const struct pathname_entry, ent); + const struct pathname_entry *e2 = + container_of(he2, const struct pathname_entry, ent); + + return strcmp(e1->name, name ? (const char *)name : e2->name); +} + +struct collection_status { + enum { FROM_WORKTREE = 0, FROM_INDEX = 1 } mode; + + const char *reference; + + unsigned skip_unseen:1; + size_t unmerged_count, binary_count; + struct string_list *files; + struct hashmap file_map; +}; + +static void collect_changes_cb(struct diff_queue_struct *q, + struct diff_options *options, + void *data) +{ + struct collection_status *s = data; + struct diffstat_t stat = { 0 }; + int i; + + if (!q->nr) + return; + + compute_diffstat(options, &stat, q); + + for (i = 0; i < stat.nr; i++) { + const char *name = stat.files[i]->name; + int hash = strhash(name); + struct pathname_entry *entry; + struct file_item *file_item; + struct adddel *adddel, *other_adddel; + + entry = hashmap_get_entry_from_hash(&s->file_map, hash, name, + struct pathname_entry, ent); + if (!entry) { + if (s->skip_unseen) + continue; + + add_file_item(s->files, name); + + entry = xcalloc(sizeof(*entry), 1); + hashmap_entry_init(&entry->ent, hash); + entry->name = s->files->items[s->files->nr - 1].string; + entry->item = s->files->items[s->files->nr - 1].util; + hashmap_add(&s->file_map, &entry->ent); + } + + file_item = entry->item; + adddel = s->mode == FROM_INDEX ? + &file_item->index : &file_item->worktree; + other_adddel = s->mode == FROM_INDEX ? + &file_item->worktree : &file_item->index; + adddel->seen = 1; + adddel->add = stat.files[i]->added; + adddel->del = stat.files[i]->deleted; + if (stat.files[i]->is_binary) { + if (!other_adddel->binary) + s->binary_count++; + adddel->binary = 1; + } + if (stat.files[i]->is_unmerged) { + if (!other_adddel->unmerged) + s->unmerged_count++; + adddel->unmerged = 1; + } + } + free_diffstat_info(&stat); +} + +enum modified_files_filter { + NO_FILTER = 0, + WORKTREE_ONLY = 1, + INDEX_ONLY = 2, +}; + +static int get_modified_files(struct repository *r, + enum modified_files_filter filter, + struct prefix_item_list *files, + const struct pathspec *ps, + size_t *unmerged_count, + size_t *binary_count) +{ + struct object_id head_oid; + int is_initial = !resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, + &head_oid, NULL); + struct collection_status s = { 0 }; + int i; + + if (discard_index(r->index) < 0 || + repo_read_index_preload(r, ps, 0) < 0) + return error(_("could not read index")); + + prefix_item_list_clear(files); + s.files = &files->items; + hashmap_init(&s.file_map, pathname_entry_cmp, NULL, 0); + + for (i = 0; i < 2; i++) { + struct rev_info rev; + struct setup_revision_opt opt = { 0 }; + + if (filter == INDEX_ONLY) + s.mode = (i == 0) ? FROM_INDEX : FROM_WORKTREE; + else + s.mode = (i == 0) ? FROM_WORKTREE : FROM_INDEX; + s.skip_unseen = filter && i; + + opt.def = is_initial ? + empty_tree_oid_hex() : oid_to_hex(&head_oid); + + init_revisions(&rev, NULL); + setup_revisions(0, NULL, &rev, &opt); + + rev.diffopt.output_format = DIFF_FORMAT_CALLBACK; + rev.diffopt.format_callback = collect_changes_cb; + rev.diffopt.format_callback_data = &s; + + if (ps) + copy_pathspec(&rev.prune_data, ps); + + if (s.mode == FROM_INDEX) + run_diff_index(&rev, 1); + else { + rev.diffopt.flags.ignore_dirty_submodules = 1; + run_diff_files(&rev, 0); + } + + if (ps) + clear_pathspec(&rev.prune_data); + } + hashmap_free_entries(&s.file_map, struct pathname_entry, ent); + if (unmerged_count) + *unmerged_count = s.unmerged_count; + if (binary_count) + *binary_count = s.binary_count; + + /* While the diffs are ordered already, we ran *two* diffs... */ + string_list_sort(&files->items); + + return 0; +} + +static void render_adddel(struct strbuf *buf, + struct adddel *ad, const char *no_changes) +{ + if (ad->binary) + strbuf_addstr(buf, _("binary")); + else if (ad->seen) + strbuf_addf(buf, "+%"PRIuMAX"/-%"PRIuMAX, + (uintmax_t)ad->add, (uintmax_t)ad->del); + else + strbuf_addstr(buf, no_changes); +} + +/* filters out prefixes which have special meaning to list_and_choose() */ +static int is_valid_prefix(const char *prefix, size_t prefix_len) +{ + return prefix_len && prefix && + /* + * We expect `prefix` to be NUL terminated, therefore this + * `strcspn()` call is okay, even if it might do much more + * work than strictly necessary. + */ + strcspn(prefix, " \t\r\n,") >= prefix_len && /* separators */ + *prefix != '-' && /* deselection */ + !isdigit(*prefix) && /* selection */ + (prefix_len != 1 || + (*prefix != '*' && /* "all" wildcard */ + *prefix != '?')); /* prompt help */ +} + +struct print_file_item_data { + const char *modified_fmt, *color, *reset; + struct strbuf buf, name, index, worktree; + unsigned only_names:1; +}; + +static void print_file_item(int i, int selected, struct string_list_item *item, + void *print_file_item_data) +{ + struct file_item *c = item->util; + struct print_file_item_data *d = print_file_item_data; + const char *highlighted = NULL; + + strbuf_reset(&d->index); + strbuf_reset(&d->worktree); + strbuf_reset(&d->buf); + + /* Format the item with the prefix highlighted. */ + if (c->prefix_length > 0 && + is_valid_prefix(item->string, c->prefix_length)) { + strbuf_reset(&d->name); + strbuf_addf(&d->name, "%s%.*s%s%s", d->color, + (int)c->prefix_length, item->string, d->reset, + item->string + c->prefix_length); + highlighted = d->name.buf; + } + + if (d->only_names) { + printf("%c%2d: %s", selected ? '*' : ' ', i + 1, + highlighted ? highlighted : item->string); + return; + } + + render_adddel(&d->worktree, &c->worktree, _("nothing")); + render_adddel(&d->index, &c->index, _("unchanged")); + + strbuf_addf(&d->buf, d->modified_fmt, d->index.buf, d->worktree.buf, + highlighted ? highlighted : item->string); + + printf("%c%2d: %s", selected ? '*' : ' ', i + 1, d->buf.buf); +} + +static int run_status(struct add_i_state *s, const struct pathspec *ps, + struct prefix_item_list *files, + struct list_and_choose_options *opts) +{ + if (get_modified_files(s->r, NO_FILTER, files, ps, NULL, NULL) < 0) + return -1; + + list(s, &files->items, NULL, &opts->list_opts); + putchar('\n'); + + return 0; +} + +static int run_update(struct add_i_state *s, const struct pathspec *ps, + struct prefix_item_list *files, + struct list_and_choose_options *opts) +{ + int res = 0, fd; + size_t count, i; + struct lock_file index_lock; + + if (get_modified_files(s->r, WORKTREE_ONLY, files, ps, NULL, NULL) < 0) + return -1; + + if (!files->items.nr) { + putchar('\n'); + return 0; + } + + opts->prompt = N_("Update"); + count = list_and_choose(s, files, opts); + if (count <= 0) { + putchar('\n'); + return 0; + } + + fd = repo_hold_locked_index(s->r, &index_lock, LOCK_REPORT_ON_ERROR); + if (fd < 0) { + putchar('\n'); + return -1; + } + + for (i = 0; i < files->items.nr; i++) { + const char *name = files->items.items[i].string; + if (files->selected[i] && + add_file_to_index(s->r->index, name, 0) < 0) { + res = error(_("could not stage '%s'"), name); + break; + } + } + + if (!res && write_locked_index(s->r->index, &index_lock, COMMIT_LOCK) < 0) + res = error(_("could not write index")); + + if (!res) + printf(Q_("updated %d path\n", + "updated %d paths\n", count), (int)count); + + putchar('\n'); + return res; +} + +static void revert_from_diff(struct diff_queue_struct *q, + struct diff_options *opt, void *data) +{ + int i, add_flags = ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE; + + for (i = 0; i < q->nr; i++) { + struct diff_filespec *one = q->queue[i]->one; + struct cache_entry *ce; + + if (!(one->mode && !is_null_oid(&one->oid))) { + remove_file_from_index(opt->repo->index, one->path); + printf(_("note: %s is untracked now.\n"), one->path); + } else { + ce = make_cache_entry(opt->repo->index, one->mode, + &one->oid, one->path, 0, 0); + if (!ce) + die(_("make_cache_entry failed for path '%s'"), + one->path); + add_index_entry(opt->repo->index, ce, add_flags); + } + } +} + +static int run_revert(struct add_i_state *s, const struct pathspec *ps, + struct prefix_item_list *files, + struct list_and_choose_options *opts) +{ + int res = 0, fd; + size_t count, i, j; + + struct object_id oid; + int is_initial = !resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &oid, + NULL); + struct lock_file index_lock; + const char **paths; + struct tree *tree; + struct diff_options diffopt = { NULL }; + + if (get_modified_files(s->r, INDEX_ONLY, files, ps, NULL, NULL) < 0) + return -1; + + if (!files->items.nr) { + putchar('\n'); + return 0; + } + + opts->prompt = N_("Revert"); + count = list_and_choose(s, files, opts); + if (count <= 0) + goto finish_revert; + + fd = repo_hold_locked_index(s->r, &index_lock, LOCK_REPORT_ON_ERROR); + if (fd < 0) { + res = -1; + goto finish_revert; + } + + if (is_initial) + oidcpy(&oid, s->r->hash_algo->empty_tree); + else { + tree = parse_tree_indirect(&oid); + if (!tree) { + res = error(_("Could not parse HEAD^{tree}")); + goto finish_revert; + } + oidcpy(&oid, &tree->object.oid); + } + + ALLOC_ARRAY(paths, count + 1); + for (i = j = 0; i < files->items.nr; i++) + if (files->selected[i]) + paths[j++] = files->items.items[i].string; + paths[j] = NULL; + + parse_pathspec(&diffopt.pathspec, 0, + PATHSPEC_PREFER_FULL | PATHSPEC_LITERAL_PATH, + NULL, paths); + + diffopt.output_format = DIFF_FORMAT_CALLBACK; + diffopt.format_callback = revert_from_diff; + diffopt.flags.override_submodule_config = 1; + diffopt.repo = s->r; + + if (do_diff_cache(&oid, &diffopt)) + res = -1; + else { + diffcore_std(&diffopt); + diff_flush(&diffopt); + } + free(paths); + clear_pathspec(&diffopt.pathspec); + + if (!res && write_locked_index(s->r->index, &index_lock, + COMMIT_LOCK) < 0) + res = -1; + else + res = repo_refresh_and_write_index(s->r, REFRESH_QUIET, 0, 1, + NULL, NULL, NULL); + + if (!res) + printf(Q_("reverted %d path\n", + "reverted %d paths\n", count), (int)count); + +finish_revert: + putchar('\n'); + return res; +} + +static int get_untracked_files(struct repository *r, + struct prefix_item_list *files, + const struct pathspec *ps) +{ + struct dir_struct dir = { 0 }; + size_t i; + struct strbuf buf = STRBUF_INIT; + + if (repo_read_index(r) < 0) + return error(_("could not read index")); + + prefix_item_list_clear(files); + setup_standard_excludes(&dir); + add_pattern_list(&dir, EXC_CMDL, "--exclude option"); + fill_directory(&dir, r->index, ps); + + for (i = 0; i < dir.nr; i++) { + struct dir_entry *ent = dir.entries[i]; + + if (index_name_is_other(r->index, ent->name, ent->len)) { + strbuf_reset(&buf); + strbuf_add(&buf, ent->name, ent->len); + add_file_item(&files->items, buf.buf); + } + } + + strbuf_release(&buf); + return 0; +} + +static int run_add_untracked(struct add_i_state *s, const struct pathspec *ps, + struct prefix_item_list *files, + struct list_and_choose_options *opts) +{ + struct print_file_item_data *d = opts->list_opts.print_item_data; + int res = 0, fd; + size_t count, i; + struct lock_file index_lock; + + if (get_untracked_files(s->r, files, ps) < 0) + return -1; + + if (!files->items.nr) { + printf(_("No untracked files.\n")); + goto finish_add_untracked; + } + + opts->prompt = N_("Add untracked"); + d->only_names = 1; + count = list_and_choose(s, files, opts); + d->only_names = 0; + if (count <= 0) + goto finish_add_untracked; + + fd = repo_hold_locked_index(s->r, &index_lock, LOCK_REPORT_ON_ERROR); + if (fd < 0) { + res = -1; + goto finish_add_untracked; + } + + for (i = 0; i < files->items.nr; i++) { + const char *name = files->items.items[i].string; + if (files->selected[i] && + add_file_to_index(s->r->index, name, 0) < 0) { + res = error(_("could not stage '%s'"), name); + break; + } + } + + if (!res && + write_locked_index(s->r->index, &index_lock, COMMIT_LOCK) < 0) + res = error(_("could not write index")); + + if (!res) + printf(Q_("added %d path\n", + "added %d paths\n", count), (int)count); + +finish_add_untracked: + putchar('\n'); + return res; +} + +static int run_patch(struct add_i_state *s, const struct pathspec *ps, + struct prefix_item_list *files, + struct list_and_choose_options *opts) +{ + int res = 0; + ssize_t count, i, j; + size_t unmerged_count = 0, binary_count = 0; + + if (get_modified_files(s->r, WORKTREE_ONLY, files, ps, + &unmerged_count, &binary_count) < 0) + return -1; + + if (unmerged_count || binary_count) { + for (i = j = 0; i < files->items.nr; i++) { + struct file_item *item = files->items.items[i].util; + + if (item->index.binary || item->worktree.binary) { + free(item); + free(files->items.items[i].string); + } else if (item->index.unmerged || + item->worktree.unmerged) { + color_fprintf_ln(stderr, s->error_color, + _("ignoring unmerged: %s"), + files->items.items[i].string); + free(item); + free(files->items.items[i].string); + } else + files->items.items[j++] = files->items.items[i]; + } + files->items.nr = j; + } + + if (!files->items.nr) { + if (binary_count) + fprintf(stderr, _("Only binary files changed.\n")); + else + fprintf(stderr, _("No changes.\n")); + return 0; + } + + opts->prompt = N_("Patch update"); + count = list_and_choose(s, files, opts); + if (count > 0) { + struct argv_array args = ARGV_ARRAY_INIT; + struct pathspec ps_selected = { 0 }; + + for (i = 0; i < files->items.nr; i++) + if (files->selected[i]) + argv_array_push(&args, + files->items.items[i].string); + parse_pathspec(&ps_selected, + PATHSPEC_ALL_MAGIC & ~PATHSPEC_LITERAL, + PATHSPEC_LITERAL_PATH, "", args.argv); + res = run_add_p(s->r, ADD_P_ADD, NULL, &ps_selected); + argv_array_clear(&args); + clear_pathspec(&ps_selected); + } + + return res; +} + +static int run_diff(struct add_i_state *s, const struct pathspec *ps, + struct prefix_item_list *files, + struct list_and_choose_options *opts) +{ + int res = 0; + ssize_t count, i; + + struct object_id oid; + int is_initial = !resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &oid, + NULL); + if (get_modified_files(s->r, INDEX_ONLY, files, ps, NULL, NULL) < 0) + return -1; + + if (!files->items.nr) { + putchar('\n'); + return 0; + } + + opts->prompt = N_("Review diff"); + opts->flags = IMMEDIATE; + count = list_and_choose(s, files, opts); + opts->flags = 0; + if (count > 0) { + struct argv_array args = ARGV_ARRAY_INIT; + + argv_array_pushl(&args, "git", "diff", "-p", "--cached", + oid_to_hex(!is_initial ? &oid : + s->r->hash_algo->empty_tree), + "--", NULL); + for (i = 0; i < files->items.nr; i++) + if (files->selected[i]) + argv_array_push(&args, + files->items.items[i].string); + res = run_command_v_opt(args.argv, 0); + argv_array_clear(&args); + } + + putchar('\n'); + return res; +} + +static int run_help(struct add_i_state *s, const struct pathspec *unused_ps, + struct prefix_item_list *unused_files, + struct list_and_choose_options *unused_opts) +{ + color_fprintf_ln(stdout, s->help_color, "status - %s", + _("show paths with changes")); + color_fprintf_ln(stdout, s->help_color, "update - %s", + _("add working tree state to the staged set of changes")); + color_fprintf_ln(stdout, s->help_color, "revert - %s", + _("revert staged set of changes back to the HEAD version")); + color_fprintf_ln(stdout, s->help_color, "patch - %s", + _("pick hunks and update selectively")); + color_fprintf_ln(stdout, s->help_color, "diff - %s", + _("view diff between HEAD and index")); + color_fprintf_ln(stdout, s->help_color, "add untracked - %s", + _("add contents of untracked files to the staged set of changes")); + + return 0; +} + +static void choose_prompt_help(struct add_i_state *s) +{ + color_fprintf_ln(stdout, s->help_color, "%s", + _("Prompt help:")); + color_fprintf_ln(stdout, s->help_color, "1 - %s", + _("select a single item")); + color_fprintf_ln(stdout, s->help_color, "3-5 - %s", + _("select a range of items")); + color_fprintf_ln(stdout, s->help_color, "2-3,6-9 - %s", + _("select multiple ranges")); + color_fprintf_ln(stdout, s->help_color, "foo - %s", + _("select item based on unique prefix")); + color_fprintf_ln(stdout, s->help_color, "-... - %s", + _("unselect specified items")); + color_fprintf_ln(stdout, s->help_color, "* - %s", + _("choose all items")); + color_fprintf_ln(stdout, s->help_color, " - %s", + _("(empty) finish selecting")); +} + +typedef int (*command_t)(struct add_i_state *s, const struct pathspec *ps, + struct prefix_item_list *files, + struct list_and_choose_options *opts); + +struct command_item { + size_t prefix_length; + command_t command; +}; + +struct print_command_item_data { + const char *color, *reset; +}; + +static void print_command_item(int i, int selected, + struct string_list_item *item, + void *print_command_item_data) +{ + struct print_command_item_data *d = print_command_item_data; + struct command_item *util = item->util; + + if (!util->prefix_length || + !is_valid_prefix(item->string, util->prefix_length)) + printf(" %2d: %s", i + 1, item->string); + else + printf(" %2d: %s%.*s%s%s", i + 1, + d->color, (int)util->prefix_length, item->string, + d->reset, item->string + util->prefix_length); +} + +static void command_prompt_help(struct add_i_state *s) +{ + const char *help_color = s->help_color; + color_fprintf_ln(stdout, help_color, "%s", _("Prompt help:")); + color_fprintf_ln(stdout, help_color, "1 - %s", + _("select a numbered item")); + color_fprintf_ln(stdout, help_color, "foo - %s", + _("select item based on unique prefix")); + color_fprintf_ln(stdout, help_color, " - %s", + _("(empty) select nothing")); +} + +int run_add_i(struct repository *r, const struct pathspec *ps) +{ + struct add_i_state s = { NULL }; + struct print_command_item_data data = { "[", "]" }; + struct list_and_choose_options main_loop_opts = { + { 4, N_("*** Commands ***"), print_command_item, &data }, + N_("What now"), SINGLETON | IMMEDIATE, command_prompt_help + }; + struct { + const char *string; + command_t command; + } command_list[] = { + { "status", run_status }, + { "update", run_update }, + { "revert", run_revert }, + { "add untracked", run_add_untracked }, + { "patch", run_patch }, + { "diff", run_diff }, + { "quit", NULL }, + { "help", run_help }, + }; + struct prefix_item_list commands = PREFIX_ITEM_LIST_INIT; + + struct print_file_item_data print_file_item_data = { + "%12s %12s %s", NULL, NULL, + STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT + }; + struct list_and_choose_options opts = { + { 0, NULL, print_file_item, &print_file_item_data }, + NULL, 0, choose_prompt_help + }; + struct strbuf header = STRBUF_INIT; + struct prefix_item_list files = PREFIX_ITEM_LIST_INIT; + ssize_t i; + int res = 0; + + for (i = 0; i < ARRAY_SIZE(command_list); i++) { + struct command_item *util = xcalloc(sizeof(*util), 1); + util->command = command_list[i].command; + string_list_append(&commands.items, command_list[i].string) + ->util = util; + } + + init_add_i_state(&s, r); + + /* + * When color was asked for, use the prompt color for + * highlighting, otherwise use square brackets. + */ + if (s.use_color) { + data.color = s.prompt_color; + data.reset = s.reset_color; + } + print_file_item_data.color = data.color; + print_file_item_data.reset = data.reset; + + strbuf_addstr(&header, " "); + strbuf_addf(&header, print_file_item_data.modified_fmt, + _("staged"), _("unstaged"), _("path")); + opts.list_opts.header = header.buf; + + if (discard_index(r->index) < 0 || + repo_read_index(r) < 0 || + repo_refresh_and_write_index(r, REFRESH_QUIET, 0, 1, + NULL, NULL, NULL) < 0) + warning(_("could not refresh index")); + + res = run_status(&s, ps, &files, &opts); + + for (;;) { + struct command_item *util; + + i = list_and_choose(&s, &commands, &main_loop_opts); + if (i < 0 || i >= commands.items.nr) + util = NULL; + else + util = commands.items.items[i].util; + + if (i == LIST_AND_CHOOSE_QUIT || (util && !util->command)) { + printf(_("Bye.\n")); + res = 0; + break; + } + + if (util) + res = util->command(&s, ps, &files, &opts); + } + + prefix_item_list_clear(&files); + strbuf_release(&print_file_item_data.buf); + strbuf_release(&print_file_item_data.name); + strbuf_release(&print_file_item_data.index); + strbuf_release(&print_file_item_data.worktree); + strbuf_release(&header); + prefix_item_list_clear(&commands); + clear_add_i_state(&s); + + return res; +} |