Drop stdconfig as "build.lua" is now fixed

l3build-variables.lua

@@ -116,8 +116,7 @@ checkformat  = checkformat  or "latex"
 stdengine    = stdengine    or "pdftex"
 
 -- Configs for testing
-stdconfig    = stdconfig    or string.gsub(arg[0], "%.lua$", "")
-checkconfigs = checkconfigs or {stdconfig}
+checkconfigs = checkconfigs or {"build.lua"}
 
 -- Enable access to trees outside of the repo
 -- As these may be set false, a more elaborate test than normal is needed

l3build.dtx

@@ -1,6 +1,6 @@
 % \iffalse
 %
-% File l3build.dtx (C) Copyright 2014-2017 The LaTeX3 Project
+% File l3build.dtx (C) Copyright 2014-2018 The LaTeX3 Project
 %
 % It may be distributed and/or modified under the conditions of the
 % LaTeX Project Public License (LPPL), either version 1.3c of this
@@ -116,7 +116,6 @@
 \luavarset{checkformat}  {"latex"} {Format to use for tests}
 \luavarseparator
 \luavarset{checkconfigs}{\{\}}{Configurations to use for tests}
-\luavarset{stdconfig}   {\meta{Main script}}{Standard test configuration}
 \luavarseparator
 \luavarset{typesetexe}{"pdflatex"}{Executable for compiling \texttt{doc(s)}}
 \luavarset{unpackexe} {"tex"}     {Executable for running \texttt{unpack}}
@@ -659,10 +658,6 @@
 % be used. This works in the same way as |--engine|: it takes a comma list of
 % configurations to apply, overriding \var{checkconfigs}.
 %
-% Note that the setting \var{stdconfig} is used to determine the \emph{vanilla}
-% configuration: this will typically be the name of the main script (usually
-% |build| for a standard |build.lua| file).
-%
 % \subsection{Dependencies}
 %
 % If you have multiple packages that are developed separately but still interact in some way, it's often desirable to integrate them when performing regression tests.

l3build.lua

@@ -123,7 +123,7 @@ if options["target"] == "check" then
   end
 end
 if #checkconfigs == 1 and
-   checkconfigs[1] ~= stdconfig and
+   checkconfigs[1] ~= "build.lua" and
    (options["target"] == "check" or options["target"] == "save") then
    local config = "./" .. checkconfigs[1] .. ".lua"
    if fileexists(config) then