#
#
# patch "testlib.lua"
#  from [1699df3451bf8dce233fbcf20e305930f57c5863]
#    to [44d6be1881e02da1a2bb908a99f995f1d0af4830]
# 
# patch "tests/syntax_errors_in_.mtn-ignore/__driver__.lua"
#  from [40ae692978a4b62a47ad35468cc2e52656a68643]
#    to [370e177545af48aa97d064961f5dd6610ba825f7]
# 
# patch "tests/syntax_errors_in_.mtn-ignore/stderr-ref"
#  from [e5393b2dd883f02f0f5bbe8a97aec42304c69f0e]
#    to [6d982783b4455a358e195a462a8347cee1b41e83]
#
============================================================
--- testlib.lua	1699df3451bf8dce233fbcf20e305930f57c5863
+++ testlib.lua	44d6be1881e02da1a2bb908a99f995f1d0af4830
@@ -166,6 +166,23 @@ end
   return readfile(testdir.."/"..filename)
 end
 
+-- Return all but the first N lines of FILENAME.
+-- Note that (unlike readfile()) the result will
+-- end with a \n whether or not the file did.
+function tailfile(filename, n)
+  L(locheader(), "tailfile ", filename, ", ", n, "\n")
+  local i = 1
+  local t = {}
+  for l in io.lines(filename) do
+    if i > n then
+      table.insert(t, l)
+    end
+    i = i + 1
+  end
+  table.insert(t, "")
+  return table.concat(t, "\n")
+end
+
 function writefile_q(filename, dat)
   local file,e
   if dat == nil then
============================================================
--- tests/syntax_errors_in_.mtn-ignore/__driver__.lua	40ae692978a4b62a47ad35468cc2e52656a68643
+++ tests/syntax_errors_in_.mtn-ignore/__driver__.lua	370e177545af48aa97d064961f5dd6610ba825f7
@@ -13,4 +13,5 @@ check(samefile("stdout", "stdout-ref"))
 check(get("stderr-ref"))
 
 check(samefile("stdout", "stdout-ref"))
+-- the first line of stderr may vary from run to run
+check(tailfile("stderr", 1) == readfile("stderr-ref"))
-check(samefile("stderr", "stderr-ref"))
============================================================
--- tests/syntax_errors_in_.mtn-ignore/stderr-ref	e5393b2dd883f02f0f5bbe8a97aec42304c69f0e
+++ tests/syntax_errors_in_.mtn-ignore/stderr-ref	6d982783b4455a358e195a462a8347cee1b41e83
@@ -1,4 +1,3 @@
-mtn: warning: while matching file 'ts-stdin':
 .mtn-ignore:1: warning: error near char 2 of regex "\": \ at end of pattern
 	- skipping this regex for all remaining files.
 .mtn-ignore:2: warning: error near char 3 of regex "\c": \c at end of pattern