* This handles recursive filename detection with exclude
* files, index knowledge etc..
*
+ * See Documentation/technical/api-directory-listing.txt
+ *
* Copyright (C) Linus Torvalds, 2005-2006
* Junio Hamano, 2005-2006
*/
return string[simple_length(string)] == '\0';
}
+void parse_exclude_pattern(const char **pattern,
+ int *patternlen,
+ int *flags,
+ int *nowildcardlen)
+{
+ const char *p = *pattern;
+ size_t i, len;
+
+ *flags = 0;
+ if (*p == '!') {
+ *flags |= EXC_FLAG_NEGATIVE;
+ p++;
+ }
+ len = strlen(p);
+ if (len && p[len - 1] == '/') {
+ len--;
+ *flags |= EXC_FLAG_MUSTBEDIR;
+ }
+ for (i = 0; i < len; i++) {
+ if (p[i] == '/')
+ break;
+ }
+ if (i == len)
+ *flags |= EXC_FLAG_NODIR;
+ *nowildcardlen = simple_length(p);
+ /*
+ * we should have excluded the trailing slash from 'p' too,
+ * but that's one more allocation. Instead just make sure
+ * nowildcardlen does not exceed real patternlen
+ */
+ if (*nowildcardlen > len)
+ *nowildcardlen = len;
+ if (*p == '*' && no_wildcard(p + 1))
+ *flags |= EXC_FLAG_ENDSWITH;
+ *pattern = p;
+ *patternlen = len;
+}
+
void add_exclude(const char *string, const char *base,
- int baselen, struct exclude_list *which)
+ int baselen, struct exclude_list *el)
{
struct exclude *x;
- size_t len;
- int to_exclude = 1;
- int flags = 0;
+ int patternlen;
+ int flags;
+ int nowildcardlen;
- if (*string == '!') {
- to_exclude = 0;
- string++;
- }
- len = strlen(string);
- if (len && string[len - 1] == '/') {
+ parse_exclude_pattern(&string, &patternlen, &flags, &nowildcardlen);
+ if (flags & EXC_FLAG_MUSTBEDIR) {
char *s;
- x = xmalloc(sizeof(*x) + len);
+ x = xmalloc(sizeof(*x) + patternlen + 1);
s = (char *)(x+1);
- memcpy(s, string, len - 1);
- s[len - 1] = '\0';
- string = s;
+ memcpy(s, string, patternlen);
+ s[patternlen] = '\0';
x->pattern = s;
- flags = EXC_FLAG_MUSTBEDIR;
} else {
x = xmalloc(sizeof(*x));
x->pattern = string;
}
- x->to_exclude = to_exclude;
- x->patternlen = strlen(string);
+ x->patternlen = patternlen;
+ x->nowildcardlen = nowildcardlen;
x->base = base;
x->baselen = baselen;
x->flags = flags;
- if (!strchr(string, '/'))
- x->flags |= EXC_FLAG_NODIR;
- x->nowildcardlen = simple_length(string);
- if (*string == '*' && no_wildcard(string+1))
- x->flags |= EXC_FLAG_ENDSWITH;
- ALLOC_GROW(which->excludes, which->nr + 1, which->alloc);
- which->excludes[which->nr++] = x;
+ ALLOC_GROW(el->excludes, el->nr + 1, el->alloc);
+ el->excludes[el->nr++] = x;
}
static void *read_skip_worktree_file_from_index(const char *path, size_t *size)
const char *base,
int baselen,
char **buf_p,
- struct exclude_list *which,
+ struct exclude_list *el,
int check_index)
{
struct stat st;
if (buf[i] == '\n') {
if (entry != buf + i && entry[0] != '#') {
buf[i - (i && buf[i-1] == '\r')] = 0;
- add_exclude(entry, base, baselen, which);
+ add_exclude(entry, base, baselen, el);
}
entry = buf + i + 1;
}
die("cannot use %s as an exclude file", fname);
}
+/*
+ * Loads the per-directory exclude list for the substring of base
+ * which has a char length of baselen.
+ */
static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
{
struct exclude_list *el;
(baselen + strlen(dir->exclude_per_dir) >= PATH_MAX))
return; /* too long a path -- ignore */
- /* Pop the ones that are not the prefix of the path being checked. */
+ /* Pop the directories that are not the prefix of the path being checked. */
el = &dir->exclude_list[EXC_DIRS];
while ((stk = dir->exclude_stack) != NULL) {
if (stk->baselen <= baselen &&
dir->basebuf[baselen] = '\0';
}
-static int match_basename(const char *basename, int basenamelen,
- const char *pattern, int prefix, int patternlen,
- int flags)
+int match_basename(const char *basename, int basenamelen,
+ const char *pattern, int prefix, int patternlen,
+ int flags)
{
if (prefix == patternlen) {
if (!strcmp_icase(pattern, basename))
return 0;
}
-static int match_pathname(const char *pathname, int pathlen,
- const char *base, int baselen,
- const char *pattern, int prefix, int patternlen,
- int flags)
+int match_pathname(const char *pathname, int pathlen,
+ const char *base, int baselen,
+ const char *pattern, int prefix, int patternlen,
+ int flags)
{
const char *name;
int namelen;
/* Scan the list and let the last match determine the fate.
* Return 1 for exclude, 0 for include and -1 for undecided.
*/
-int excluded_from_list(const char *pathname,
- int pathlen, const char *basename, int *dtype,
- struct exclude_list *el)
+int is_excluded_from_list(const char *pathname,
+ int pathlen, const char *basename, int *dtype,
+ struct exclude_list *el)
{
int i;
for (i = el->nr - 1; 0 <= i; i--) {
struct exclude *x = el->excludes[i];
const char *exclude = x->pattern;
- int to_exclude = x->to_exclude;
+ int to_exclude = x->flags & EXC_FLAG_NEGATIVE ? 0 : 1;
int prefix = x->nowildcardlen;
if (x->flags & EXC_FLAG_MUSTBEDIR) {
return -1; /* undecided */
}
-static int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
+static int is_excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
{
int pathlen = strlen(pathname);
int st;
prep_exclude(dir, pathname, basename-pathname);
for (st = EXC_CMDL; st <= EXC_FILE; st++) {
- switch (excluded_from_list(pathname, pathlen, basename,
- dtype_p, &dir->exclude_list[st])) {
+ switch (is_excluded_from_list(pathname, pathlen,
+ basename, dtype_p,
+ &dir->exclude_list[st])) {
case 0:
return 0;
case 1:
* A path to a directory known to be excluded is left in check->path to
* optimize for repeated checks for files in the same excluded directory.
*/
-int path_excluded(struct path_exclude_check *check,
- const char *name, int namelen, int *dtype)
+int is_path_excluded(struct path_exclude_check *check,
+ const char *name, int namelen, int *dtype)
{
int i;
struct strbuf *path = &check->path;
/*
* we allow the caller to pass namelen as an optimization; it
* must match the length of the name, as we eventually call
- * excluded() on the whole name string.
+ * is_excluded() on the whole name string.
*/
if (namelen < 0)
namelen = strlen(name);
if (ch == '/') {
int dt = DT_DIR;
- if (excluded(check->dir, path->buf, &dt))
+ if (is_excluded(check->dir, path->buf, &dt))
return 1;
}
strbuf_addch(path, ch);
/* An entry in the index; cannot be a directory with subentries */
strbuf_setlen(path, 0);
- return excluded(check->dir, name, dtype);
+ return is_excluded(check->dir, name, dtype);
}
static struct dir_entry *dir_entry_new(const char *pathname, int len)
const struct path_simplify *simplify,
int dtype, struct dirent *de)
{
- int exclude = excluded(dir, path->buf, &dtype);
+ int exclude = is_excluded(dir, path->buf, &dtype);
if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
&& exclude_matches_pathspec(path->buf, path->len, simplify))
dir_add_ignored(dir, path->buf, path->len);