static enum directory_treatment treat_directory(struct dir_struct *dir,
const char *dirname, int len,
const struct path_simplify *simplify)
{
/* The "len-1" is to strip the final '/' */
switch (directory_exists_in_index(dirname, len-1)) {
case index_directory:
return recurse_into_directory;
case index_gitdir:
if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES)
return ignore_directory;
return show_directory;
case index_nonexistent:
if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES)
break;
if (!(dir->flags & DIR_NO_GITLINKS)) {
unsigned char sha1[20];
if (resolve_gitlink_ref(dirname, "HEAD", sha1) == 0)
return show_directory;
}
return recurse_into_directory;
}
/* This is the "show_other_directories" case */
if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
return show_directory;
if (!read_directory_recursive(dir, dirname, len, 1, simplify))
return ignore_directory;
return show_directory;
}
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_file_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 &&
(directory_exists_in_index(path->buf, path->len) == index_nonexistent))
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;
}
}
