Teach 'diff' about 'diff' attribute.

diff --git a/shell.c b/shell.c
index cd316185e96c73c1f7d0e6309abe3241c2deb7c4..c983fc7b86ed3c7792d4e325e4b88845719494d1 100644 (file)
--- a/shell.c
+++ b/shell.c
@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "quote.h"
+#include "exec_cmd.h"
 
 static int do_generic_cmd(const char *me, char *arg)
 {
@@ -7,12 +8,14 @@ static int do_generic_cmd(const char *me, char *arg)
 
        if (!arg || !(arg = sq_dequote(arg)))
                die("bad argument");
+       if (prefixcmp(me, "git-"))
+               die("bad command");
 
-       my_argv[0] = me;
+       my_argv[0] = me + 4;
        my_argv[1] = arg;
        my_argv[2] = NULL;
 
-       return execvp(me, (char**) my_argv);
+       return execv_git_cmd(my_argv);
 }
 
 static struct commands {