run-command: be more informative about what failed

diff --git a/setup.c b/setup.c
index 9139beefc75c4fe92cf8c7dc54a9fae972995aca..3a1b2fd45580cad7ecd55efa755872efc81075ad 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -79,7 +79,7 @@ static void NORETURN die_verify_filename(const char *prefix,
 {
        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
@@ -92,7 +92,8 @@ static void NORETURN die_verify_filename(const char *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);
 
 }
 
@@ -141,7 +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);
 }
 
 /*