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Merge pull request #2191 from dscho/add-p-fixups

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A couple of fixups for add-i-in-c-status-and-help
This commit is contained in:
Johannes Schindelin
2019-05-13 19:33:22 +02:00
committed by GitHub
parent e3538d8eb3 c6746a4f41
commit d4e5e1ea92
2 changed files with 38 additions and 32 deletions
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18
add-interactive.c
View File

@@ -138,9 +138,15 @@ struct list_and_choose_options {
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 prefix_item **items, int *selected,
size_t nr, struct add_i_state *s,
@@ -150,7 +156,7 @@ static ssize_t list_and_choose(struct prefix_item **items, int *selected,
int immediate = opts->flags & IMMEDIATE;
struct strbuf input = STRBUF_INIT;
ssize_t res = singleton ? -1 : 0;
ssize_t res = singleton ? LIST_AND_CHOOSE_ERROR : 0;
if (!selected && !singleton)
BUG("need a selected array in non-singleton mode");
@@ -174,7 +180,7 @@ static ssize_t list_and_choose(struct prefix_item **items, int *selected,
if (strbuf_getline(&input, stdin) == EOF) {
putchar('\n');
if (immediate)
res = -2;
res = LIST_AND_CHOOSE_QUIT;
break;
}
strbuf_trim(&input);
@@ -253,7 +259,8 @@ static ssize_t list_and_choose(struct prefix_item **items, int *selected,
p += sep + 1;
}
if ((immediate && res >= 0) || !strcmp(input.buf, "*"))
if ((immediate && res != LIST_AND_CHOOSE_ERROR) ||
!strcmp(input.buf, "*"))
break;
}
@@ -1050,12 +1057,13 @@ int run_add_i(struct repository *r, const struct pathspec *ps)
for (;;) {
i = list_and_choose((struct prefix_item **)commands, NULL,
ARRAY_SIZE(commands), &s, &main_loop_opts);
if (i < -1 || (i >= 0 && !commands[i]->command)) {
if (i == LIST_AND_CHOOSE_QUIT ||
(i != LIST_AND_CHOOSE_ERROR && !commands[i]->command)) {
printf(_("Bye.\n"));
res = 0;
break;
}
if (i >= 0)
if (i != LIST_AND_CHOOSE_ERROR)
res = commands[i]->command(&s, ps, &files, &opts);
}

52
prefix-map.c
View File

@@ -35,40 +35,40 @@ static void init_prefix_map(struct prefix_map *prefix_map,
static void add_prefix_item(struct prefix_map *prefix_map,
struct prefix_item *item)
{
struct prefix_map_entry *e = xmalloc(sizeof(*e)), *e2;
struct prefix_map_entry e = { { NULL } }, *e2;
int j;
e->item = item;
e->name = e->item->name;
e.item = item;
e.name = item->name;
for (j = prefix_map->min_length; j <= prefix_map->max_length; j++) {
if (!isascii(e->name[j])) {
free(e);
for (j = prefix_map->min_length;
j <= prefix_map->max_length && e.name[j]; j++) {
/* Avoid breaking UTF-8 multi-byte sequences */
if (!isascii(e.name[j]))
break;
}
e->prefix_length = j;
hashmap_entry_init(e, memhash(e->name, j));
e2 = hashmap_get(&prefix_map->map, e, NULL);
e.prefix_length = j;
hashmap_entry_init(&e, memhash(e.name, j));
e2 = hashmap_get(&prefix_map->map, &e, NULL);
if (!e2) {
/* prefix is unique so far */
e->item->prefix_length = j;
hashmap_add(&prefix_map->map, e);
/* prefix is unique at this stage */
item->prefix_length = j;
add_prefix_entry(&prefix_map->map, e.name, j, item);
break;
}
if (!e2->item)
continue; /* non-unique prefix */
if (j != e2->item->prefix_length)
BUG("unexpected prefix length: %d != %d",
(int)j, (int)e2->item->prefix_length);
if (j != e2->item->prefix_length || memcmp(e.name, e2->name, j))
BUG("unexpected prefix length: %d != %d (%s != %s)",
j, (int)e2->item->prefix_length, e.name, e2->name);
/* skip common prefix */
for (; j < prefix_map->max_length && e->name[j]; j++) {
if (e->item->name[j] != e2->item->name[j])
for (; j < prefix_map->max_length && e.name[j]; j++) {
if (e.item->name[j] != e2->item->name[j])
break;
add_prefix_entry(&prefix_map->map, e->name, j + 1,
add_prefix_entry(&prefix_map->map, e.name, j + 1,
NULL);
}
@@ -83,16 +83,14 @@ static void add_prefix_item(struct prefix_map *prefix_map,
e2->item->prefix_length = 0;
e2->item = NULL;
if (j < prefix_map->max_length && e->name[j]) {
if (j < prefix_map->max_length && e.name[j]) {
/* found a unique prefix for the item */
e->item->prefix_length = j + 1;
add_prefix_entry(&prefix_map->map, e->name, j + 1,
e->item);
} else {
e.item->prefix_length = j + 1;
add_prefix_entry(&prefix_map->map, e.name, j + 1,
e.item);
} else
/* item has no (short enough) unique prefix */
e->item->prefix_length = 0;
free(e);
}
e.item->prefix_length = 0;
break;
}