gitweb/INSTALL: GITWEB_CONFIG_SYSTEM is for backward compatibility

diff --git a/attr.c b/attr.c
index dc2c63e3ecb2b02d3c0ebdd9d76005362f6f16d7..689bc2a8961fac72a01e615764af53f49d01c3ec 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -255,9 +255,11 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
                                      &res->u.pat.patternlen,
                                      &res->u.pat.flags,
                                      &res->u.pat.nowildcardlen);
-               if (res->u.pat.flags & EXC_FLAG_NEGATIVE)
-                       die(_("Negative patterns are forbidden in git attributes\n"
-                             "Use '\\!' for literal leading exclamation."));
+               if (res->u.pat.flags & EXC_FLAG_NEGATIVE) {
+                       warning(_("Negative patterns are ignored in git attributes\n"
+                                 "Use '\\!' for literal leading exclamation."));
+                       return NULL;
+               }
        }
        res->is_macro = is_macro;
        res->num_attr = num_attr;
@@ -284,7 +286,7 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
  * (reading the file from top to bottom), .gitattribute of the root
  * directory (again, reading the file from top to bottom) down to the
  * current directory, and then scan the list backwards to find the first match.
- * This is exactly the same as what excluded() does in dir.c to deal with
+ * This is exactly the same as what is_excluded() does in dir.c to deal with
  * .gitignore
  */
 
@@ -321,7 +323,7 @@ static void free_attr_elem(struct attr_stack *e)
 }
 
 static const char *builtin_attr[] = {
-       "[attr]binary -diff -text",
+       "[attr]binary -diff -merge -text",
        NULL,
 };
 
@@ -367,8 +369,11 @@ static struct attr_stack *read_attr_from_file(const char *path, int macro_ok)
        char buf[2048];
        int lineno = 0;
 
-       if (!fp)
+       if (!fp) {
+               if (errno != ENOENT && errno != ENOTDIR)
+                       warn_on_inaccessible(path);
                return NULL;
+       }
        res = xcalloc(1, sizeof(*res));
        while (fgets(buf, sizeof(buf), fp))
                handle_attr_line(res, buf, path, ++lineno, macro_ok);
@@ -512,6 +517,7 @@ static int git_attr_system(void)
 static void bootstrap_attr_stack(void)
 {
        struct attr_stack *elem;
+       char *xdg_attributes_file;
 
        if (attr_stack)
                return;
@@ -530,6 +536,10 @@ static void bootstrap_attr_stack(void)
                }
        }
 
+       if (!git_attributes_file) {
+               home_config_paths(NULL, &xdg_attributes_file, "attributes");
+               git_attributes_file = xdg_attributes_file;
+       }
        if (git_attributes_file) {
                elem = read_attr_from_file(git_attributes_file, 1);
                if (elem) {
@@ -556,18 +566,12 @@ static void bootstrap_attr_stack(void)
        attr_stack = elem;
 }
 
-static void prepare_attr_stack(const char *path)
+static void prepare_attr_stack(const char *path, int dirlen)
 {
        struct attr_stack *elem, *info;
-       int dirlen, len;
+       int len;
        const char *cp;
 
-       cp = strrchr(path, '/');
-       if (!cp)
-               dirlen = 0;
-       else
-               dirlen = cp - path;
-
        /*
         * At the bottom of the attribute stack is the built-in
         * set of attribute definitions, followed by the contents
@@ -653,20 +657,24 @@ static void prepare_attr_stack(const char *path)
 }
 
 static int path_matches(const char *pathname, int pathlen,
-                       const char *basename,
+                       int basename_offset,
                        const struct pattern *pat,
                        const char *base, int baselen)
 {
        const char *pattern = pat->pattern;
        int prefix = pat->nowildcardlen;
+       int isdir = (pathlen && pathname[pathlen - 1] == '/');
+
+       if ((pat->flags & EXC_FLAG_MUSTBEDIR) && !isdir)
+               return 0;
 
        if (pat->flags & EXC_FLAG_NODIR) {
-               return match_basename(basename,
-                                     pathlen - (basename - pathname),
+               return match_basename(pathname + basename_offset,
+                                     pathlen - basename_offset - isdir,
                                      pattern, prefix,
                                      pat->patternlen, pat->flags);
        }
-       return match_pathname(pathname, pathlen,
+       return match_pathname(pathname, pathlen - isdir,
                              base, baselen,
                              pattern, prefix, pat->patternlen, pat->flags);
 }
@@ -695,7 +703,7 @@ static int fill_one(const char *what, struct match_attr *a, int rem)
        return rem;
 }
 
-static int fill(const char *path, int pathlen, const char *basename,
+static int fill(const char *path, int pathlen, int basename_offset,
                struct attr_stack *stk, int rem)
 {
        int i;
@@ -705,7 +713,7 @@ static int fill(const char *path, int pathlen, const char *basename,
                struct match_attr *a = stk->attrs[i];
                if (a->is_macro)
                        continue;
-               if (path_matches(path, pathlen, basename,
+               if (path_matches(path, pathlen, basename_offset,
                                 &a->u.pat, base, stk->originlen))
                        rem = fill_one("fill", a, rem);
        }
@@ -743,20 +751,30 @@ static int macroexpand_one(int attr_nr, int rem)
 static void collect_all_attrs(const char *path)
 {
        struct attr_stack *stk;
-       int i, pathlen, rem;
-       const char *basename;
+       int i, pathlen, rem, dirlen;
+       const char *cp, *last_slash = NULL;
+       int basename_offset;
 
-       prepare_attr_stack(path);
+       for (cp = path; *cp; cp++) {
+               if (*cp == '/' && cp[1])
+                       last_slash = cp;
+       }
+       pathlen = cp - path;
+       if (last_slash) {
+               basename_offset = last_slash + 1 - path;
+               dirlen = last_slash - path;
+       } else {
+               basename_offset = 0;
+               dirlen = 0;
+       }
+
+       prepare_attr_stack(path, dirlen);
        for (i = 0; i < attr_nr; i++)
                check_all_attr[i].value = ATTR__UNKNOWN;
 
-       basename = strrchr(path, '/');
-       basename = basename ? basename + 1 : path;
-
-       pathlen = strlen(path);
        rem = attr_nr;
        for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
-               rem = fill(path, pathlen, basename, stk, rem);
+               rem = fill(path, pathlen, basename_offset, stk, rem);
 }
 
 int git_check_attr(const char *path, int num, struct git_attr_check *check)