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-rw-r--r--add-interactive.c1154
1 files changed, 1154 insertions, 0 deletions
diff --git a/add-interactive.c b/add-interactive.c
new file mode 100644
index 0000000000..6a5048c83e
--- /dev/null
+++ b/add-interactive.c
@@ -0,0 +1,1154 @@
+#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));
+}
+
+/*
+ * 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 == '-') {
+ to = strtoul(++endp, &endp, 10);
+ /* 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, &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);
+
+ return res;
+}