Merge branch 'ph/maint-submodule-status-fix'
[gitweb.git] / dir.c
diff --git a/dir.c b/dir.c
index 32d1c90e58d6117be2bd7d7bff443ad9993400ee..5a83aa7897f270279c403778f43aea6db1efc5af 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -308,42 +308,69 @@ static int no_wildcard(const char *string)
        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)
 {
        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;
 }
@@ -397,6 +424,8 @@ int add_excludes_from_file_to_list(const char *fname,
 
        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 ||
@@ -503,9 +532,9 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int 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))
@@ -522,10 +551,10 @@ static int match_basename(const char *basename, int basenamelen,
        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;
@@ -584,7 +613,7 @@ int excluded_from_list(const char *pathname,
        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) {
@@ -1336,12 +1365,17 @@ int remove_dir_recursively(struct strbuf *path, int flag)
 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);
 }