attr: push the bare repo check into read_attr()

diff --git a/userdiff.c b/userdiff.c
index 6bf2505994b1d1054604b84d49faeb45eb6a9534..8b732e40bce4968257c2918219f7dfdb0b9ed3a0 100644 (file)
--- a/userdiff.c
+++ b/userdiff.c
@@ -148,6 +148,18 @@ PATTERNS("csharp",
         "[a-zA-Z_][a-zA-Z0-9_]*"
         "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
         "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
+IPATTERN("css",
+        "![:;][[:space:]]*$\n"
+        "^[_a-z0-9].*$",
+        /* -- */
+        /*
+         * This regex comes from W3C CSS specs. Should theoretically also
+         * allow ISO 10646 characters U+00A0 and higher,
+         * but they are not handled in this regex.
+         */
+        "-?[_a-zA-Z][-_a-zA-Z0-9]*" /* identifiers */
+        "|-?[0-9]+|\\#[0-9a-fA-F]+" /* numbers */
+),
 { "default", NULL, -1, { NULL, 0 } },
 };
 #undef PATTERNS
@@ -250,25 +262,22 @@ struct userdiff_driver *userdiff_find_by_name(const char *name) {
 
 struct userdiff_driver *userdiff_find_by_path(const char *path)
 {
-       static struct git_attr *attr;
-       struct git_attr_check check;
-
-       if (!attr)
-               attr = git_attr("diff");
-       check.attr = attr;
+       static struct attr_check *check;
 
+       if (!check)
+               check = attr_check_initl("diff", NULL);
        if (!path)
                return NULL;
-       if (git_check_attr(path, 1, &check))
+       if (git_check_attr(path, check))
                return NULL;
 
-       if (ATTR_TRUE(check.value))
+       if (ATTR_TRUE(check->items[0].value))
                return &driver_true;
-       if (ATTR_FALSE(check.value))
+       if (ATTR_FALSE(check->items[0].value))
                return &driver_false;
-       if (ATTR_UNSET(check.value))
+       if (ATTR_UNSET(check->items[0].value))
                return NULL;
-       return userdiff_find_by_name(check.value);
+       return userdiff_find_by_name(check->items[0].value);
 }
 
 struct userdiff_driver *userdiff_get_textconv(struct userdiff_driver *driver)