grep: add grep.fullName config variable
[gitweb.git] / dir.c
diff --git a/dir.c b/dir.c
index 23b6de47036839ca4297a9b93d1a9794547ccff1..70eefdd350429cc2a9a9238449b315512d189451 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -49,7 +49,9 @@ int strncmp_icase(const char *a, const char *b, size_t count)
 
 int fnmatch_icase(const char *pattern, const char *string, int flags)
 {
-       return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
+       return wildmatch(pattern, string,
+                        flags | (ignore_case ? WM_CASEFOLD : 0),
+                        NULL);
 }
 
 inline int git_fnmatch(const struct pathspec_item *item,
@@ -58,7 +60,7 @@ inline int git_fnmatch(const struct pathspec_item *item,
 {
        if (prefix > 0) {
                if (ps_strncmp(item, pattern, string, prefix))
-                       return FNM_NOMATCH;
+                       return WM_NOMATCH;
                pattern += prefix;
                string += prefix;
        }
@@ -76,8 +78,9 @@ inline int git_fnmatch(const struct pathspec_item *item,
                                 NULL);
        else
                /* wildmatch has not learned no FNM_PATHNAME mode yet */
-               return fnmatch(pattern, string,
-                              item->magic & PATHSPEC_ICASE ? FNM_CASEFOLD : 0);
+               return wildmatch(pattern, string,
+                                item->magic & PATHSPEC_ICASE ? WM_CASEFOLD : 0,
+                                NULL);
 }
 
 static int fnmatch_icase_mem(const char *pattern, int patternlen,
@@ -126,10 +129,13 @@ static size_t common_prefix_len(const struct pathspec *pathspec)
                       PATHSPEC_MAXDEPTH |
                       PATHSPEC_LITERAL |
                       PATHSPEC_GLOB |
-                      PATHSPEC_ICASE);
+                      PATHSPEC_ICASE |
+                      PATHSPEC_EXCLUDE);
 
        for (n = 0; n < pathspec->nr; n++) {
                size_t i = 0, len = 0, item_len;
+               if (pathspec->items[n].magic & PATHSPEC_EXCLUDE)
+                       continue;
                if (pathspec->items[n].magic & PATHSPEC_ICASE)
                        item_len = pathspec->items[n].prefix;
                else
@@ -192,6 +198,9 @@ int within_depth(const char *name, int namelen,
        return 1;
 }
 
+#define DO_MATCH_EXCLUDE   1
+#define DO_MATCH_DIRECTORY 2
+
 /*
  * Does 'match' match the given name?
  * A match is found if
@@ -205,7 +214,7 @@ int within_depth(const char *name, int namelen,
  * It returns 0 when there is no match.
  */
 static int match_pathspec_item(const struct pathspec_item *item, int prefix,
-                              const char *name, int namelen)
+                              const char *name, int namelen, unsigned flags)
 {
        /* name/namelen has prefix cut off by caller */
        const char *match = item->match + prefix;
@@ -215,7 +224,7 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
         * The normal call pattern is:
         * 1. prefix = common_prefix_len(ps);
         * 2. prune something, or fill_directory
-        * 3. match_pathspec_depth()
+        * 3. match_pathspec()
         *
         * 'prefix' at #1 may be shorter than the command's prefix and
         * it's ok for #2 to match extra files. Those extras will be
@@ -254,7 +263,11 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
 
                if (match[matchlen-1] == '/' || name[matchlen] == '/')
                        return MATCHED_RECURSIVELY;
-       }
+       } else if ((flags & DO_MATCH_DIRECTORY) &&
+                  match[matchlen - 1] == '/' &&
+                  namelen == matchlen - 1 &&
+                  !ps_strncmp(item, match, name, namelen))
+               return MATCHED_EXACTLY;
 
        if (item->nowildcard_len < item->len &&
            !git_fnmatch(item, match, name,
@@ -279,18 +292,20 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
  * 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,
-                        int prefix, char *seen)
+static int do_match_pathspec(const struct pathspec *ps,
+                            const char *name, int namelen,
+                            int prefix, char *seen,
+                            unsigned flags)
 {
-       int i, retval = 0;
+       int i, retval = 0, exclude = flags & DO_MATCH_EXCLUDE;
 
        GUARD_PATHSPEC(ps,
                       PATHSPEC_FROMTOP |
                       PATHSPEC_MAXDEPTH |
                       PATHSPEC_LITERAL |
                       PATHSPEC_GLOB |
-                      PATHSPEC_ICASE);
+                      PATHSPEC_ICASE |
+                      PATHSPEC_EXCLUDE);
 
        if (!ps->nr) {
                if (!ps->recursive ||
@@ -309,9 +324,21 @@ int match_pathspec_depth(const struct pathspec *ps,
 
        for (i = ps->nr - 1; i >= 0; i--) {
                int how;
+
+               if ((!exclude &&   ps->items[i].magic & PATHSPEC_EXCLUDE) ||
+                   ( exclude && !(ps->items[i].magic & PATHSPEC_EXCLUDE)))
+                       continue;
+
                if (seen && seen[i] == MATCHED_EXACTLY)
                        continue;
-               how = match_pathspec_item(ps->items+i, prefix, name, namelen);
+               /*
+                * Make exclude patterns optional and never report
+                * "pathspec ':(exclude)foo' matches no files"
+                */
+               if (seen && ps->items[i].magic & PATHSPEC_EXCLUDE)
+                       seen[i] = MATCHED_FNMATCH;
+               how = match_pathspec_item(ps->items+i, prefix, name,
+                                         namelen, flags);
                if (ps->recursive &&
                    (ps->magic & PATHSPEC_MAXDEPTH) &&
                    ps->max_depth != -1 &&
@@ -334,6 +361,22 @@ int match_pathspec_depth(const struct pathspec *ps,
        return retval;
 }
 
+int match_pathspec(const struct pathspec *ps,
+                  const char *name, int namelen,
+                  int prefix, char *seen, int is_dir)
+{
+       int positive, negative;
+       unsigned flags = is_dir ? DO_MATCH_DIRECTORY : 0;
+       positive = do_match_pathspec(ps, name, namelen,
+                                    prefix, seen, flags);
+       if (!(ps->magic & PATHSPEC_EXCLUDE) || !positive)
+               return positive;
+       negative = do_match_pathspec(ps, name, namelen,
+                                    prefix, seen,
+                                    flags | DO_MATCH_EXCLUDE);
+       return negative ? 0 : positive;
+}
+
 /*
  * Return the length of the "simple" part of a path match limiter.
  */
@@ -463,6 +506,25 @@ void clear_exclude_list(struct exclude_list *el)
        el->filebuf = NULL;
 }
 
+static void trim_trailing_spaces(char *buf)
+{
+       int i, last_space = -1, nr_spaces, len = strlen(buf);
+       for (i = 0; i < len; i++)
+               if (buf[i] == '\\')
+                       i++;
+               else if (buf[i] == ' ') {
+                       if (last_space == -1) {
+                               last_space = i;
+                               nr_spaces = 1;
+                       } else
+                               nr_spaces++;
+               } else
+                       last_space = -1;
+
+       if (last_space != -1 && last_space + nr_spaces == len)
+               buf[last_space] = '\0';
+}
+
 int add_excludes_from_file_to_list(const char *fname,
                                   const char *base,
                                   int baselen,
@@ -514,6 +576,7 @@ int add_excludes_from_file_to_list(const char *fname,
                if (buf[i] == '\n') {
                        if (entry != buf + i && entry[0] != '#') {
                                buf[i - (i && buf[i-1] == '\r')] = 0;
+                               trim_trailing_spaces(entry);
                                add_exclude(entry, base, baselen, el, lineno);
                        }
                        lineno++;
@@ -1375,11 +1438,18 @@ int read_directory(struct dir_struct *dir, const char *path, int len, const stru
                               PATHSPEC_MAXDEPTH |
                               PATHSPEC_LITERAL |
                               PATHSPEC_GLOB |
-                              PATHSPEC_ICASE);
+                              PATHSPEC_ICASE |
+                              PATHSPEC_EXCLUDE);
 
        if (has_symlink_leading_path(path, len))
                return dir->nr;
 
+       /*
+        * exclude patterns are treated like positive ones in
+        * create_simplify. Usually exclude patterns should be a
+        * subset of positive ones, which has no impacts on
+        * create_simplify().
+        */
        simplify = create_simplify(pathspec ? pathspec->_raw : NULL);
        if (!len || treat_leading_path(dir, path, len, simplify))
                read_directory_recursive(dir, path, len, 0, simplify);
@@ -1476,8 +1546,13 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
        flag &= ~REMOVE_DIR_KEEP_TOPLEVEL;
        dir = opendir(path->buf);
        if (!dir) {
-               /* an empty dir could be removed even if it is unreadble */
-               if (!keep_toplevel)
+               if (errno == ENOENT)
+                       return keep_toplevel ? -1 : 0;
+               else if (errno == EACCES && !keep_toplevel)
+                       /*
+                        * An empty dir could be removable even if it
+                        * is unreadable:
+                        */
                        return rmdir(path->buf);
                else
                        return -1;
@@ -1493,13 +1568,21 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
 
                strbuf_setlen(path, len);
                strbuf_addstr(path, e->d_name);
-               if (lstat(path->buf, &st))
-                       ; /* fall thru */
-               else if (S_ISDIR(st.st_mode)) {
+               if (lstat(path->buf, &st)) {
+                       if (errno == ENOENT)
+                               /*
+                                * file disappeared, which is what we
+                                * wanted anyway
+                                */
+                               continue;
+                       /* fall thru */
+               } else if (S_ISDIR(st.st_mode)) {
                        if (!remove_dir_recurse(path, flag, &kept_down))
                                continue; /* happy */
-               } else if (!only_empty && !unlink(path->buf))
+               } else if (!only_empty &&
+                          (!unlink(path->buf) || errno == ENOENT)) {
                        continue; /* happy, too */
+               }
 
                /* path too long, stat fails, or non-directory still exists */
                ret = -1;
@@ -1509,7 +1592,7 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
 
        strbuf_setlen(path, original_len);
        if (!ret && !keep_toplevel && !kept_down)
-               ret = rmdir(path->buf);
+               ret = (!rmdir(path->buf) || errno == ENOENT) ? 0 : -1;
        else if (kept_up)
                /*
                 * report the uplevel that it is not an error that we