run-command: be more informative about what failed

diff --git a/setup.c b/setup.c
index e11497720e01dd14a66e152883e675669fc3b548..3a1b2fd45580cad7ecd55efa755872efc81075ad 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -77,26 +77,23 @@ static void NORETURN die_verify_filename(const char *prefix,
                                         const char *arg,
                                         int diagnose_misspelt_rev)
 {
-       unsigned char sha1[20];
-       unsigned mode;
-
        if (!diagnose_misspelt_rev)
                die("%s: no such path in the working tree.\n"
-                   "Use '-- <path>...' to specify paths that do not exist locally.",
+                   "Use 'git <command> -- <path>...' to specify paths that do not exist locally.",
                    arg);
        /*
         * Saying "'(icase)foo' does not exist in the index" when the
         * user gave us ":(icase)foo" is just stupid.  A magic pathspec
         * begins with a colon and is followed by a non-alnum; do not
-        * let get_sha1_with_mode_1(only_to_die=1) to even trigger.
+        * let maybe_die_on_misspelt_object_name() even trigger.
         */
        if (!(arg[0] == ':' && !isalnum(arg[1])))
-               /* try a detailed diagnostic ... */
-               get_sha1_with_mode_1(arg, sha1, &mode, 1, prefix);
+               maybe_die_on_misspelt_object_name(arg, prefix);
 
        /* ... or fall back the most general message. */
        die("ambiguous argument '%s': unknown revision or path not in the working tree.\n"
-           "Use '--' to separate paths from revisions", arg);
+           "Use '--' to separate paths from revisions, like this:\n"
+           "'git <command> [<revision>...] -- [<file>...]'", arg);
 
 }
 
@@ -145,7 +142,8 @@ void verify_non_filename(const char *prefix, const char *arg)
        if (!check_filename(prefix, arg))
                return;
        die("ambiguous argument '%s': both revision and filename\n"
-           "Use '--' to separate filenames from revisions", arg);
+           "Use '--' to separate paths from revisions, like this:\n"
+           "'git <command> [<revision>...] -- [<file>...]'", arg);
 }
 
 /*