#include "cache.h"
#include "dir.h"
#include "refs.h"
+#include "wildmatch.h"
struct path_simplify {
int len;
return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
}
+inline int git_fnmatch(const char *pattern, const char *string,
+ int flags, int prefix)
+{
+ int fnm_flags = 0;
+ if (flags & GFNM_PATHNAME)
+ fnm_flags |= FNM_PATHNAME;
+ if (prefix > 0) {
+ if (strncmp(pattern, string, prefix))
+ return FNM_NOMATCH;
+ pattern += prefix;
+ string += prefix;
+ }
+ if (flags & GFNM_ONESTAR) {
+ int pattern_len = strlen(++pattern);
+ int string_len = strlen(string);
+ return string_len < pattern_len ||
+ strcmp(pattern,
+ string + string_len - pattern_len);
+ }
+ return fnmatch(pattern, string, fnm_flags);
+}
+
+static int fnmatch_icase_mem(const char *pattern, int patternlen,
+ const char *string, int stringlen,
+ int flags)
+{
+ int match_status;
+ struct strbuf pat_buf = STRBUF_INIT;
+ struct strbuf str_buf = STRBUF_INIT;
+ const char *use_pat = pattern;
+ const char *use_str = string;
+
+ if (pattern[patternlen]) {
+ strbuf_add(&pat_buf, pattern, patternlen);
+ use_pat = pat_buf.buf;
+ }
+ if (string[stringlen]) {
+ strbuf_add(&str_buf, string, stringlen);
+ use_str = str_buf.buf;
+ }
+
+ if (ignore_case)
+ flags |= WM_CASEFOLD;
+ match_status = wildmatch(use_pat, use_str, flags, NULL);
+
+ strbuf_release(&pat_buf);
+ strbuf_release(&str_buf);
+
+ return match_status;
+}
+
static size_t common_prefix_len(const char **pathspec)
{
const char *n, *first;
size_t max = 0;
+ int literal = limit_pathspec_to_literal();
if (!pathspec)
return max;
size_t i, len = 0;
for (i = 0; first == n || i < max; i++) {
char c = n[i];
- if (!c || c != first[i] || is_glob_special(c))
+ if (!c || c != first[i] || (!literal && is_glob_special(c)))
break;
if (c == '/')
len = i + 1;
static int match_one(const char *match, const char *name, int namelen)
{
int matchlen;
+ int literal = limit_pathspec_to_literal();
/* If the match was just the prefix, we matched */
if (!*match)
for (;;) {
unsigned char c1 = tolower(*match);
unsigned char c2 = tolower(*name);
- if (c1 == '\0' || is_glob_special(c1))
+ if (c1 == '\0' || (!literal && is_glob_special(c1)))
break;
if (c1 != c2)
return 0;
for (;;) {
unsigned char c1 = *match;
unsigned char c2 = *name;
- if (c1 == '\0' || is_glob_special(c1))
+ if (c1 == '\0' || (!literal && is_glob_special(c1)))
break;
if (c1 != c2)
return 0;
}
}
-
/*
* If we don't match the matchstring exactly,
* we need to match by fnmatch
*/
matchlen = strlen(match);
- if (strncmp_icase(match, name, matchlen))
+ if (strncmp_icase(match, name, matchlen)) {
+ if (literal)
+ return 0;
return !fnmatch_icase(match, name, 0) ? MATCHED_FNMATCH : 0;
+ }
if (namelen == matchlen)
return MATCHED_EXACTLY;
}
/*
- * Given a name and a list of pathspecs, see if the name matches
- * any of the pathspecs. The caller is also interested in seeing
- * all pathspec matches some names it calls this function with
- * (otherwise the user could have mistyped the unmatched pathspec),
- * and a mark is left in seen[] array for pathspec element that
- * actually matched anything.
+ * Given a name and a list of pathspecs, returns the nature of the
+ * closest (i.e. most specific) match of the name to any of the
+ * pathspecs.
+ *
+ * The caller typically calls this multiple times with the same
+ * pathspec and seen[] array but with different name/namelen
+ * (e.g. entries from the index) and is interested in seeing if and
+ * how each pathspec matches all the names it calls this function
+ * with. A mark is left in the seen[] array for each pathspec element
+ * indicating the closest type of match that element achieved, so if
+ * seen[n] remains zero after multiple invocations, that means the nth
+ * pathspec did not match any names, which could indicate that the
+ * user mistyped the nth pathspec.
*/
int match_pathspec(const char **pathspec, const char *name, int namelen,
int prefix, char *seen)
return MATCHED_RECURSIVELY;
}
- if (item->use_wildcard && !fnmatch(match, name, 0))
+ if (item->nowildcard_len < item->len &&
+ !git_fnmatch(match, name,
+ item->flags & PATHSPEC_ONESTAR ? GFNM_ONESTAR : 0,
+ item->nowildcard_len - prefix))
return MATCHED_FNMATCH;
return 0;
}
/*
- * Given a name and a list of pathspecs, see if the name matches
- * any of the pathspecs. The caller is also interested in seeing
- * all pathspec matches some names it calls this function with
- * (otherwise the user could have mistyped the unmatched pathspec),
- * and a mark is left in seen[] array for pathspec element that
- * actually matched anything.
+ * Given a name and a list of pathspecs, returns the nature of the
+ * closest (i.e. most specific) match of the name to any of the
+ * pathspecs.
+ *
+ * The caller typically calls this multiple times with the same
+ * pathspec and seen[] array but with different name/namelen
+ * (e.g. entries from the index) and is interested in seeing if and
+ * how each pathspec matches all the names it calls this function
+ * with. A mark is left in the seen[] array for each pathspec element
+ * indicating the closest type of match that element achieved, so if
+ * seen[n] remains zero after multiple invocations, that means the nth
+ * pathspec did not match any names, which could indicate that the
+ * user mistyped the nth pathspec.
*/
int match_pathspec_depth(const struct pathspec *ps,
const char *name, int namelen,
fd = open(fname, O_RDONLY);
if (fd < 0 || fstat(fd, &st) < 0) {
+ if (errno != ENOENT)
+ warn_on_inaccessible(fname);
if (0 <= fd)
close(fd);
if (!check_index ||
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_group *group;
- struct exclude_list *el;
- struct exclude_stack *stk = NULL;
- int current;
-
- if ((!dir->exclude_per_dir) ||
- (baselen + strlen(dir->exclude_per_dir) >= PATH_MAX))
- return; /* too long a path -- ignore */
-
- group = &dir->exclude_list_group[EXC_DIRS];
-
- /* Pop the exclude lists from the EXCL_DIRS exclude_list_group
- * which originate from directories not in the prefix of the
- * path being checked. */
- while ((stk = dir->exclude_stack) != NULL) {
- if (stk->baselen <= baselen &&
- !strncmp(dir->basebuf, base, stk->baselen))
- break;
- el = &group->el[dir->exclude_stack->exclude_ix];
- dir->exclude_stack = stk->prev;
- free((char *)el->src); /* see strdup() below */
- clear_exclude_list(el);
- free(stk);
- group->nr--;
- }
-
- /* Read from the parent directories and push them down. */
- current = stk ? stk->baselen : -1;
- while (current < baselen) {
- struct exclude_stack *stk = xcalloc(1, sizeof(*stk));
- const char *cp;
-
- if (current < 0) {
- cp = base;
- current = 0;
- }
- else {
- cp = strchr(base + current + 1, '/');
- if (!cp)
- die("oops in prep_exclude");
- cp++;
- }
- stk->prev = dir->exclude_stack;
- stk->baselen = cp - base;
- memcpy(dir->basebuf + current, base + current,
- stk->baselen - current);
- strcpy(dir->basebuf + stk->baselen, dir->exclude_per_dir);
- /*
- * dir->basebuf gets reused by the traversal, but we
- * need fname to remain unchanged to ensure the src
- * member of each struct exclude correctly
- * back-references its source file. Other invocations
- * of add_exclude_list provide stable strings, so we
- * strdup() and free() here in the caller.
- */
- el = add_exclude_list(dir, EXC_DIRS, strdup(dir->basebuf));
- stk->exclude_ix = group->nr - 1;
- add_excludes_from_file_to_list(dir->basebuf,
- dir->basebuf, stk->baselen,
- el, 1);
- dir->exclude_stack = stk;
- current = stk->baselen;
- }
- dir->basebuf[baselen] = '\0';
-}
-
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))
+ if (patternlen == basenamelen &&
+ !strncmp_icase(pattern, basename, basenamelen))
return 1;
} else if (flags & EXC_FLAG_ENDSWITH) {
+ /* "*literal" matching against "fooliteral" */
if (patternlen - 1 <= basenamelen &&
- !strcmp_icase(pattern + 1,
- basename + basenamelen - patternlen + 1))
+ !strncmp_icase(pattern + 1,
+ basename + basenamelen - (patternlen - 1),
+ patternlen - 1))
return 1;
} else {
- if (fnmatch_icase(pattern, basename, 0) == 0)
+ if (fnmatch_icase_mem(pattern, patternlen,
+ basename, basenamelen,
+ 0) == 0)
return 1;
}
return 0;
*/
if (*pattern == '/') {
pattern++;
+ patternlen--;
prefix--;
}
if (strncmp_icase(pattern, name, prefix))
return 0;
pattern += prefix;
+ patternlen -= prefix;
name += prefix;
namelen -= prefix;
+
+ /*
+ * If the whole pattern did not have a wildcard,
+ * then our prefix match is all we need; we
+ * do not need to call fnmatch at all.
+ */
+ if (!patternlen && !namelen)
+ return 1;
}
- return fnmatch_icase(pattern, name, FNM_PATHNAME) == 0;
+ return fnmatch_icase_mem(pattern, patternlen,
+ name, namelen,
+ WM_PATHNAME) == 0;
}
/*
return -1; /* undecided */
}
-/*
- * Loads the exclude lists for the directory containing pathname, then
- * scans all exclude lists to determine whether pathname is excluded.
- * Returns the exclude_list element which matched, or NULL for
- * undecided.
- */
-static struct exclude *last_exclude_matching(struct dir_struct *dir,
- const char *pathname,
- int *dtype_p)
+static struct exclude *last_exclude_matching_from_lists(struct dir_struct *dir,
+ const char *pathname, int pathlen, const char *basename,
+ int *dtype_p)
{
- int pathlen = strlen(pathname);
int i, j;
struct exclude_list_group *group;
struct exclude *exclude;
- const char *basename = strrchr(pathname, '/');
- basename = (basename) ? basename+1 : pathname;
-
- prep_exclude(dir, pathname, basename-pathname);
-
for (i = EXC_CMDL; i <= EXC_FILE; i++) {
group = &dir->exclude_list_group[i];
for (j = group->nr - 1; j >= 0; j--) {
}
/*
- * Loads the exclude lists for the directory containing pathname, then
- * scans all exclude lists to determine whether pathname is excluded.
- * Returns 1 if true, otherwise 0.
+ * Loads the per-directory exclude list for the substring of base
+ * which has a char length of baselen.
*/
-static int is_excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
-{
- struct exclude *exclude =
- last_exclude_matching(dir, pathname, dtype_p);
- if (exclude)
- return exclude->flags & EXC_FLAG_NEGATIVE ? 0 : 1;
- return 0;
-}
-
-void path_exclude_check_init(struct path_exclude_check *check,
- struct dir_struct *dir)
+static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
{
- check->dir = dir;
- check->exclude = NULL;
- strbuf_init(&check->path, 256);
-}
+ struct exclude_list_group *group;
+ struct exclude_list *el;
+ struct exclude_stack *stk = NULL;
+ int current;
-void path_exclude_check_clear(struct path_exclude_check *check)
-{
- strbuf_release(&check->path);
-}
+ group = &dir->exclude_list_group[EXC_DIRS];
-/*
- * For each subdirectory in name, starting with the top-most, checks
- * to see if that subdirectory is excluded, and if so, returns the
- * corresponding exclude structure. Otherwise, checks whether name
- * itself (which is presumably a file) is excluded.
- *
- * 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.
- */
-struct exclude *last_exclude_matching_path(struct path_exclude_check *check,
- const char *name, int namelen,
- int *dtype)
-{
- int i;
- struct strbuf *path = &check->path;
- struct exclude *exclude;
+ /* Pop the exclude lists from the EXCL_DIRS exclude_list_group
+ * which originate from directories not in the prefix of the
+ * path being checked. */
+ while ((stk = dir->exclude_stack) != NULL) {
+ if (stk->baselen <= baselen &&
+ !strncmp(dir->basebuf, base, stk->baselen))
+ break;
+ el = &group->el[dir->exclude_stack->exclude_ix];
+ dir->exclude_stack = stk->prev;
+ dir->exclude = NULL;
+ free((char *)el->src); /* see strdup() below */
+ clear_exclude_list(el);
+ free(stk);
+ group->nr--;
+ }
- /*
- * we allow the caller to pass namelen as an optimization; it
- * must match the length of the name, as we eventually call
- * is_excluded() on the whole name string.
- */
- if (namelen < 0)
- namelen = strlen(name);
+ /* Skip traversing into sub directories if the parent is excluded */
+ if (dir->exclude)
+ return;
- /*
- * If path is non-empty, and name is equal to path or a
- * subdirectory of path, name should be excluded, because
- * it's inside a directory which is already known to be
- * excluded and was previously left in check->path.
- */
- if (path->len &&
- path->len <= namelen &&
- !memcmp(name, path->buf, path->len) &&
- (!name[path->len] || name[path->len] == '/'))
- return check->exclude;
+ /* Read from the parent directories and push them down. */
+ current = stk ? stk->baselen : -1;
+ while (current < baselen) {
+ struct exclude_stack *stk = xcalloc(1, sizeof(*stk));
+ const char *cp;
- strbuf_setlen(path, 0);
- for (i = 0; name[i]; i++) {
- int ch = name[i];
+ if (current < 0) {
+ cp = base;
+ current = 0;
+ }
+ else {
+ cp = strchr(base + current + 1, '/');
+ if (!cp)
+ die("oops in prep_exclude");
+ cp++;
+ }
+ stk->prev = dir->exclude_stack;
+ stk->baselen = cp - base;
+ stk->exclude_ix = group->nr;
+ el = add_exclude_list(dir, EXC_DIRS, NULL);
+ memcpy(dir->basebuf + current, base + current,
+ stk->baselen - current);
- if (ch == '/') {
+ /* Abort if the directory is excluded */
+ if (stk->baselen) {
int dt = DT_DIR;
- exclude = last_exclude_matching(check->dir,
- path->buf, &dt);
- if (exclude) {
- check->exclude = exclude;
- return exclude;
+ dir->basebuf[stk->baselen - 1] = 0;
+ dir->exclude = last_exclude_matching_from_lists(dir,
+ dir->basebuf, stk->baselen - 1,
+ dir->basebuf + current, &dt);
+ dir->basebuf[stk->baselen - 1] = '/';
+ if (dir->exclude) {
+ dir->basebuf[stk->baselen] = 0;
+ dir->exclude_stack = stk;
+ return;
}
}
- strbuf_addch(path, ch);
+
+ /* Try to read per-directory file unless path is too long */
+ if (dir->exclude_per_dir &&
+ stk->baselen + strlen(dir->exclude_per_dir) < PATH_MAX) {
+ strcpy(dir->basebuf + stk->baselen,
+ dir->exclude_per_dir);
+ /*
+ * dir->basebuf gets reused by the traversal, but we
+ * need fname to remain unchanged to ensure the src
+ * member of each struct exclude correctly
+ * back-references its source file. Other invocations
+ * of add_exclude_list provide stable strings, so we
+ * strdup() and free() here in the caller.
+ */
+ el->src = strdup(dir->basebuf);
+ add_excludes_from_file_to_list(dir->basebuf,
+ dir->basebuf, stk->baselen, el, 1);
+ }
+ dir->exclude_stack = stk;
+ current = stk->baselen;
}
+ dir->basebuf[baselen] = '\0';
+}
- /* An entry in the index; cannot be a directory with subentries */
- strbuf_setlen(path, 0);
+/*
+ * Loads the exclude lists for the directory containing pathname, then
+ * scans all exclude lists to determine whether pathname is excluded.
+ * Returns the exclude_list element which matched, or NULL for
+ * undecided.
+ */
+struct exclude *last_exclude_matching(struct dir_struct *dir,
+ const char *pathname,
+ int *dtype_p)
+{
+ int pathlen = strlen(pathname);
+ const char *basename = strrchr(pathname, '/');
+ basename = (basename) ? basename+1 : pathname;
+
+ prep_exclude(dir, pathname, basename-pathname);
+
+ if (dir->exclude)
+ return dir->exclude;
- return last_exclude_matching(check->dir, name, dtype);
+ return last_exclude_matching_from_lists(dir, pathname, pathlen,
+ basename, dtype_p);
}
/*
- * Is this name excluded? This is for a caller like show_files() that
- * do not honor directory hierarchy and iterate through paths that are
- * possibly in an ignored directory.
+ * Loads the exclude lists for the directory containing pathname, then
+ * scans all exclude lists to determine whether pathname is excluded.
+ * Returns 1 if true, otherwise 0.
*/
-int is_path_excluded(struct path_exclude_check *check,
- const char *name, int namelen, int *dtype)
+int is_excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
{
struct exclude *exclude =
- last_exclude_matching_path(check, name, namelen, dtype);
+ last_exclude_matching(dir, pathname, dtype_p);
if (exclude)
return exclude->flags & EXC_FLAG_NEGATIVE ? 0 : 1;
return 0;
* just a directory, unless "hide_empty_directories" is
* also true and the directory is empty, in which case
* we just ignore it entirely.
+ * if we are looking for ignored directories, look if it
+ * contains only ignored files to decide if it must be shown as
+ * ignored or not.
* (b) if it looks like a git directory, and we don't have
* 'no_gitlinks' set we treat it as a gitlink, and show it
* as a directory.
};
static enum directory_treatment treat_directory(struct dir_struct *dir,
- const char *dirname, int len,
+ const char *dirname, int len, int exclude,
const struct path_simplify *simplify)
{
/* The "len-1" is to strip the final '/' */
}
/* This is the "show_other_directories" case */
+
+ /*
+ * We are looking for ignored files and our directory is not ignored,
+ * check if it contains untracked files (i.e. is listed as untracked)
+ */
+ if ((dir->flags & DIR_SHOW_IGNORED) && !exclude) {
+ int ignored;
+ dir->flags &= ~DIR_SHOW_IGNORED;
+ ignored = read_directory_recursive(dir, dirname, len, 1, simplify);
+ dir->flags |= DIR_SHOW_IGNORED;
+
+ if (ignored)
+ return ignore_directory;
+ }
+
if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
return show_directory;
if (!read_directory_recursive(dir, dirname, len, 1, simplify))
return show_directory;
}
+/*
+ * Decide what to do when we find a file while traversing the
+ * filesystem. Mostly two cases:
+ *
+ * 1. We are looking for ignored files
+ * (a) File is ignored, include it
+ * (b) File is in ignored path, include it
+ * (c) File is not ignored, exclude it
+ *
+ * 2. Other scenarios, include the file if not excluded
+ *
+ * Return 1 for exclude, 0 for include.
+ */
+static int treat_file(struct dir_struct *dir, struct strbuf *path, int exclude)
+{
+ /* Always exclude indexed files */
+ if (index_name_exists(&the_index, path->buf, path->len, ignore_case))
+ return 1;
+
+ return exclude == !(dir->flags & DIR_SHOW_IGNORED);
+}
+
/*
* This is an inexact early pruning of any recursive directory
* reading - if the path cannot possibly be in the pathspec,
if (dtype == DT_UNKNOWN)
dtype = get_dtype(de, path->buf, path->len);
- /*
- * Do we want to see just the ignored files?
- * We still need to recurse into directories,
- * even if we don't ignore them, since the
- * directory may contain files that we do..
- */
- if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) {
- if (dtype != DT_DIR)
- return path_ignored;
- }
-
switch (dtype) {
default:
return path_ignored;
case DT_DIR:
strbuf_addch(path, '/');
- switch (treat_directory(dir, path->buf, path->len, simplify)) {
+ switch (treat_directory(dir, path->buf, path->len, exclude, simplify)) {
case show_directory:
- if (exclude != !!(dir->flags
- & DIR_SHOW_IGNORED))
- return path_ignored;
break;
case recurse_into_directory:
return path_recurse;
break;
case DT_REG:
case DT_LNK:
+ if (treat_file(dir, path, exclude))
+ return path_ignored;
break;
}
return path_handled;
switch (treat_path(dir, de, &path, baselen, simplify)) {
case path_recurse:
contents += read_directory_recursive(dir, path.buf,
- path.len, 0,
- simplify);
+ path.len, check_only, simplify);
continue;
case path_ignored:
continue;
struct strbuf sb = STRBUF_INIT;
int baselen, rc = 0;
const char *cp;
+ int old_flags = dir->flags;
while (len && path[len - 1] == '/')
len--;
if (!len)
return 1;
baselen = 0;
+ dir->flags &= ~DIR_SHOW_OTHER_DIRECTORIES;
while (1) {
cp = path + baselen + !!baselen;
cp = memchr(cp, '/', path + len - cp);
}
}
strbuf_release(&sb);
+ dir->flags = old_flags;
return rc;
}
void setup_standard_excludes(struct dir_struct *dir)
{
const char *path;
+ char *xdg_path;
dir->exclude_per_dir = ".gitignore";
path = git_path("info/exclude");
- if (!access(path, R_OK))
+ if (!excludes_file) {
+ home_config_paths(NULL, &xdg_path, "ignore");
+ excludes_file = xdg_path;
+ }
+ if (!access_or_warn(path, R_OK))
add_excludes_from_file(dir, path);
- if (excludes_file && !access(excludes_file, R_OK))
+ if (excludes_file && !access_or_warn(excludes_file, R_OK))
add_excludes_from_file(dir, excludes_file);
}
{
char *slash;
- if (unlink(name) && errno != ENOENT)
+ if (unlink(name) && errno != ENOENT && errno != ENOTDIR)
return -1;
slash = strrchr(name, '/');
item->match = path;
item->len = strlen(path);
- item->use_wildcard = !no_wildcard(path);
- if (item->use_wildcard)
- pathspec->has_wildcard = 1;
+ item->flags = 0;
+ if (limit_pathspec_to_literal()) {
+ item->nowildcard_len = item->len;
+ } else {
+ item->nowildcard_len = simple_length(path);
+ if (item->nowildcard_len < item->len) {
+ pathspec->has_wildcard = 1;
+ if (path[item->nowildcard_len] == '*' &&
+ no_wildcard(path + item->nowildcard_len + 1))
+ item->flags |= PATHSPEC_ONESTAR;
+ }
+ }
}
qsort(pathspec->items, pathspec->nr,
pathspec->items = NULL;
}
+int limit_pathspec_to_literal(void)
+{
+ static int flag = -1;
+ if (flag < 0)
+ flag = git_env_bool(GIT_LITERAL_PATHSPECS_ENVIRONMENT, 0);
+ return flag;
+}
+
/*
* Frees memory within dir which was allocated for exclude lists and
* the exclude_stack. Does not free dir itself.