/*
* Do not use the alphabetically sorted index to look up
* the directory name; instead, use the case insensitive
* name hash.
*/
static enum exist_status directory_exists_in_index_icase(const char *dirname, int len)
{
const struct cache_entry *ce = cache_name_exists(dirname, len + 1, ignore_case);
unsigned char endchar;
if (!ce)
return index_nonexistent;
endchar = ce->name[len];
/*
* The cache_entry structure returned will contain this dirname
* and possibly additional path components.
*/
if (endchar == '/')
return index_directory;
/*
* If there are no additional path components, then this cache_entry
* represents a submodule. Submodules, despite being directories,
* are stored in the cache without a closing slash.
*/
if (!endchar && S_ISGITLINK(ce->ce_mode))
return index_gitdir;
/* This should never be hit, but it exists just in case. */
return index_nonexistent;
}
static enum path_treatment treat_one_path(struct dir_struct *dir,
struct strbuf *path,
const struct path_simplify *simplify,
int dtype, struct dirent *de)
{
int exclude;
if (dtype == DT_UNKNOWN)
dtype = get_dtype(de, path->buf, path->len);
/* Always exclude indexed files */
if (dtype != DT_DIR &&
cache_name_exists(path->buf, path->len, ignore_case))
return path_none;
exclude = is_excluded(dir, path->buf, &dtype);
/*
* Excluded? If we don't explicitly want to show
* ignored files, ignore it
*/
if (exclude && !(dir->flags & (DIR_SHOW_IGNORED|DIR_SHOW_IGNORED_TOO)))
return path_excluded;
switch (dtype) {
default:
return path_none;
case DT_DIR:
strbuf_addch(path, '/');
return treat_directory(dir, path->buf, path->len, exclude,
simplify);
case DT_REG:
case DT_LNK:
return exclude ? path_excluded : path_untracked;
}
}
static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len)
{
if (cache_name_exists(pathname, len, ignore_case))
return NULL;
ALLOC_GROW(dir->entries, dir->nr+1, dir->alloc);
return dir->entries[dir->nr++] = dir_entry_new(pathname, len);
}
static int get_index_dtype(const char *path, int len)
{
int pos;
struct cache_entry *ce;
ce = cache_name_exists(path, len, 0);
if (ce) {
if (!ce_uptodate(ce))
return DT_UNKNOWN;
if (S_ISGITLINK(ce->ce_mode))
return DT_DIR;
/*
* Nobody actually cares about the
* difference between DT_LNK and DT_REG
*/
return DT_REG;
}
/* Try to look it up as a directory */
pos = cache_name_pos(path, len);
if (pos >= 0)
return DT_UNKNOWN;
pos = -pos-1;
while (pos < active_nr) {
ce = active_cache[pos++];
if (strncmp(ce->name, path, len))
break;
if (ce->name[len] > '/')
break;
if (ce->name[len] < '/')
continue;
if (!ce_uptodate(ce))
break; /* continue? */
return DT_DIR;
}
return DT_UNKNOWN;
}
static enum path_treatment treat_one_path(struct dir_struct *dir,
struct strbuf *path,
const struct path_simplify *simplify,
int dtype, struct dirent *de)
{
int exclude;
int has_path_in_index = !!cache_name_exists(path->buf, path->len, ignore_case);
if (dtype == DT_UNKNOWN)
dtype = get_dtype(de, path->buf, path->len);
/* Always exclude indexed files */
if (dtype != DT_DIR && has_path_in_index)
return path_none;
/*
* When we are looking at a directory P in the working tree,
* there are three cases:
*
* (1) P exists in the index. Everything inside the directory P in
* the working tree needs to go when P is checked out from the
* index.
*
* (2) P does not exist in the index, but there is P/Q in the index.
* We know P will stay a directory when we check out the contents
* of the index, but we do not know yet if there is a directory
* P/Q in the working tree to be killed, so we need to recurse.
*
* (3) P does not exist in the index, and there is no P/Q in the index
* to require P to be a directory, either. Only in this case, we
* know that everything inside P will not be killed without
* recursing.
*/
if ((dir->flags & DIR_COLLECT_KILLED_ONLY) &&
(dtype == DT_DIR) &&
!has_path_in_index) {
/*
* NEEDSWORK: directory_exists_in_index_icase()
* assumes that one byte past the given path is
* readable and has '/', which needs to be fixed, but
* until then, work it around in the caller.
*/
strbuf_addch(path, '/');
if (directory_exists_in_index(path->buf, path->len - 1) ==
index_nonexistent) {
strbuf_setlen(path, path->len - 1);
return path_none;
}
strbuf_setlen(path, path->len - 1);
}
exclude = is_excluded(dir, path->buf, &dtype);
/*
* Excluded? If we don't explicitly want to show
* ignored files, ignore it
*/
if (exclude && !(dir->flags & (DIR_SHOW_IGNORED|DIR_SHOW_IGNORED_TOO)))
return path_excluded;
switch (dtype) {
default:
return path_none;
case DT_DIR:
strbuf_addch(path, '/');
return treat_directory(dir, path->buf, path->len, exclude,
simplify);
case DT_REG:
case DT_LNK:
return exclude ? path_excluded : path_untracked;
}
}