/*
* Has the work tree entity been removed?
*
* Return 1 if it was removed from the work tree, 0 if an entity to be
* compared with the cache entry ce still exists (the latter includes
* the case where a directory that is not a submodule repository
* exists for ce that is a submodule -- it is a submodule that is not
* checked out). Return negative for an error.
*/
static int check_removed(const struct cache_entry *ce, struct stat *st)
{
if (lstat(ce->name, st) < 0) {
if (!is_missing_file_error(errno))
return -1;
return 1;
}
if (has_symlink_leading_path(ce->name, ce_namelen(ce)))
return 1;
if (S_ISDIR(st->st_mode)) {
struct object_id sub;
/*
* If ce is already a gitlink, we can have a plain
* directory (i.e. the submodule is not checked out),
* or a checked out submodule. Either case this is not
* a case where something was removed from the work tree,
* so we will return 0.
*
* Otherwise, if the directory is not a submodule
* repository, that means ce which was a blob turned into
* a directory --- the blob was removed!
*/
if (!S_ISGITLINK(ce->ce_mode) &&
resolve_gitlink_ref(ce->name, "HEAD", &sub))
return 1;
}
return 0;
}
static int process_path(const char *path, struct stat *st, int stat_errno)
{
int pos, len;
const struct cache_entry *ce;
len = strlen(path);
if (has_symlink_leading_path(path, len))
return error("'%s' is beyond a symbolic link", path);
pos = cache_name_pos(path, len);
ce = pos < 0 ? NULL : active_cache[pos];
if (ce && ce_skip_worktree(ce)) {
/*
* working directory version is assumed "good"
* so updating it does not make sense.
* On the other hand, removing it from index should work
*/
if (allow_remove && remove_file_from_cache(path))
return error("%s: cannot remove from the index", path);
return 0;
}
/*
* First things first: get the stat information, to decide
* what to do about the pathname!
*/
if (stat_errno)
return process_lstat_error(path, stat_errno);
if (S_ISDIR(st->st_mode))
return process_directory(path, len, st);
return add_one_path(ce, path, len, st);
}
int read_directory(struct dir_struct *dir, const char *path, int len, const struct pathspec *pathspec)
{
struct path_simplify *simplify;
/*
* Check out create_simplify()
*/
if (pathspec)
GUARD_PATHSPEC(pathspec,
PATHSPEC_FROMTOP |
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
PATHSPEC_ICASE);
if (has_symlink_leading_path(path, len))
return dir->nr;
simplify = create_simplify(pathspec ? pathspec->_raw : NULL);
if (!len || treat_leading_path(dir, path, len, simplify))
read_directory_recursive(dir, path, len, 0, simplify);
free_simplify(simplify);
qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
return dir->nr;
}
int read_directory(struct dir_struct *dir, const char *path, const char *base, int baselen, const char **pathspec)
{
struct path_simplify *simplify;
if (has_symlink_leading_path(path, strlen(path)))
return dir->nr;
simplify = create_simplify(pathspec);
read_directory_recursive(dir, path, base, baselen, 0, simplify);
free_simplify(simplify);
qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
return dir->nr;
}
static int process_path(const char *path)
{
int len;
struct stat st;
len = strlen(path);
if (has_symlink_leading_path(len, path))
return error("'%s' is beyond a symbolic link", path);
/*
* First things first: get the stat information, to decide
* what to do about the pathname!
*/
if (lstat(path, &st) < 0)
return process_lstat_error(path, errno);
if (S_ISDIR(st.st_mode))
return process_directory(path, len, &st);
return process_file(path, len, &st);
}
/*
* Given command line arguments and a prefix, convert the input to
* pathspec. die() if any magic in magic_mask is used.
*/
void parse_pathspec(struct pathspec *pathspec,
unsigned magic_mask, unsigned flags,
const char *prefix, const char **argv)
{
struct pathspec_item *item;
const char *entry = argv ? *argv : NULL;
int i, n, prefixlen;
memset(pathspec, 0, sizeof(*pathspec));
if (flags & PATHSPEC_MAXDEPTH_VALID)
pathspec->magic |= PATHSPEC_MAXDEPTH;
/* No arguments, no prefix -> no pathspec */
if (!entry && !prefix)
return;
if ((flags & PATHSPEC_PREFER_CWD) &&
(flags & PATHSPEC_PREFER_FULL))
die("BUG: PATHSPEC_PREFER_CWD and PATHSPEC_PREFER_FULL are incompatible");
/* No arguments with prefix -> prefix pathspec */
if (!entry) {
static const char *raw[2];
if (flags & PATHSPEC_PREFER_FULL)
return;
if (!(flags & PATHSPEC_PREFER_CWD))
die("BUG: PATHSPEC_PREFER_CWD requires arguments");
pathspec->items = item = xmalloc(sizeof(*item));
memset(item, 0, sizeof(*item));
item->match = prefix;
item->original = prefix;
item->nowildcard_len = item->len = strlen(prefix);
item->prefix = item->len;
raw[0] = prefix;
raw[1] = NULL;
pathspec->nr = 1;
pathspec->_raw = raw;
return;
}
n = 0;
while (argv[n])
n++;
pathspec->nr = n;
pathspec->items = item = xmalloc(sizeof(*item) * n);
pathspec->_raw = argv;
prefixlen = prefix ? strlen(prefix) : 0;
for (i = 0; i < n; i++) {
unsigned short_magic;
entry = argv[i];
item[i].magic = prefix_pathspec(item + i, &short_magic,
argv + i, flags,
prefix, prefixlen, entry);
if ((flags & PATHSPEC_LITERAL_PATH) &&
!(magic_mask & PATHSPEC_LITERAL))
item[i].magic |= PATHSPEC_LITERAL;
if (item[i].magic & magic_mask)
unsupported_magic(entry,
item[i].magic & magic_mask,
short_magic);
if ((flags & PATHSPEC_SYMLINK_LEADING_PATH) &&
has_symlink_leading_path(item[i].match, item[i].len)) {
die(_("pathspec '%s' is beyond a symbolic link"), entry);
}
if (item[i].nowildcard_len < item[i].len)
pathspec->has_wildcard = 1;
pathspec->magic |= item[i].magic;
}
if (pathspec->magic & PATHSPEC_MAXDEPTH) {
if (flags & PATHSPEC_KEEP_ORDER)
die("BUG: PATHSPEC_MAXDEPTH_VALID and PATHSPEC_KEEP_ORDER are incompatible");
qsort(pathspec->items, pathspec->nr,
sizeof(struct pathspec_item), pathspec_item_cmp);
}
}
