attr: skip UTF8 BOM at the beginning of the input file

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/attr.c b/attr.c
index cd5469770a6f7841ae327e6ba7141dd99d9cacc1..7c530f4d0c4c70666d49a97ed45e16461ccce702 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -12,6 +12,7 @@
 #include "exec_cmd.h"
 #include "attr.h"
 #include "dir.h"
+#include "utf8.h"
 
 const char git_attr__true[] = "(builtin)true";
 const char git_attr__false[] = "\0(builtin)false";
@@ -369,8 +370,12 @@ static struct attr_stack *read_attr_from_file(const char *path, int macro_ok)
                return NULL;
        }
        res = xcalloc(1, sizeof(*res));
-       while (fgets(buf, sizeof(buf), fp))
-               handle_attr_line(res, buf, path, ++lineno, macro_ok);
+       while (fgets(buf, sizeof(buf), fp)) {
+               char *bufp = buf;
+               if (!lineno)
+                       skip_utf8_bom(&bufp, strlen(bufp));
+               handle_attr_line(res, bufp, path, ++lineno, macro_ok);
+       }
        fclose(fp);
        return res;
 }