Improved the CI scripts

Ported back part of the work made [here](https://github.com/ignacio/lua-appveyor-example)
by @moteus and me.

I still need to write a test runner of sorts.

4 files changed, 289 insertions, 34 deletions

diff --git a/.appveyor/build.bat b/.appveyor/build.bat
new file mode 100644
index 00000000..48e72514
--- /dev/null
+++ b/.appveyor/build.bat
@@ -0,0 +1,112 @@
+@echo off
+Setlocal EnableDelayedExpansion EnableExtensions
+
+cd %APPVEYOR_BUILD_FOLDER%
+
+:: =========================================================
+:: Make sure some environment variables are set
+if not defined LUA_VER call :die LUA_VER is not defined
+if not defined LUA call :die LUA is not defined
+if not defined LUA_SHORTV call :die LUA_SHORTV is not defined
+if not defined LUA_DIR call :die LUA_DIR is not defined
+
+:: =========================================================
+:: Set some defaults. Infer some variables.
+::
+if not defined LUAROCKS_VER set LUAROCKS_VER=2.2.1
+
+set LUAROCKS_SHORTV=%LUAROCKS_VER:~0,3%
+
+if not defined LR_EXTERNAL set LR_EXTERNAL=c:\external
+if not defined LUAROCKS_INSTALL set LUAROCKS_INSTALL=%LUA_DIR%\LuaRocks
+if not defined LR_ROOT set LR_ROOT=%LUAROCKS_INSTALL%\%LUAROCKS_SHORTV%
+if not defined LR_SYSTREE set LR_SYSTREE=%LUAROCKS_INSTALL%\systree
+
+::
+:: =========================================================
+
+
+if not exist %LUA_DIR%\bin\%LUA%.exe call :die "Missing Lua interpreter at %LUA_DIR%\bin\%LUA%.exe"
+
+
+
+:: =========================================================
+:: LuaRocks
+:: =========================================================
+
+cd %APPVEYOR_BUILD_FOLDER%
+call install.bat /LUA %LUA_DIR% /Q /LV %LUA_SHORTV% /P "%LUAROCKS_INSTALL%" /TREE "%LR_SYSTREE%"
+
+if not exist "%LR_ROOT%" call :die "LuaRocks not found at %LR_ROOT%"
+
+set PATH=%LR_ROOT%;%LR_SYSTREE%\bin;%PATH%
+
+:: Lua will use just the system rocks
+set LUA_PATH=%LR_ROOT%\lua\?.lua;%LR_ROOT%\lua\?\init.lua
+set LUA_PATH=%LUA_PATH%;%LR_SYSTREE%\share\lua\%LUA_SHORTV%\?.lua
+set LUA_PATH=%LUA_PATH%;%LR_SYSTREE%\share\lua\%LUA_SHORTV%\?\init.lua
+set LUA_CPATH=%LR_SYSTREE%\lib\lua\%LUA_SHORTV%\?.dll
+
+call luarocks --version || call :die "Error with LuaRocks installation"
+call luarocks list
+
+
+if not exist "%LR_EXTERNAL%" (
+        mkdir "%LR_EXTERNAL%"
+        mkdir "%LR_EXTERNAL%\lib"
+        mkdir "%LR_EXTERNAL%\include"
+)
+
+set PATH=%LR_EXTERNAL%;%PATH%
+
+:: Exports the following variables:
+:: (beware of whitespace between & and ^ below)
+endlocal & set PATH=%PATH%&^
+set LR_SYSTREE=%LR_SYSTREE%&^
+set LUA_PATH=%LUA_PATH%&^
+set LUA_CPATH=%LUA_CPATH%&^
+set LR_EXTERNAL=%LR_EXTERNAL%
+
+echo.
+echo ======================================================
+echo Installation of LuaRocks %LUAROCKS_VER% done.
+echo .
+echo LUA_PATH         - %LUA_PATH%
+echo LUA_CPATH        - %LUA_CPATH%
+echo.
+echo LR_EXTERNAL      - %LR_EXTERNAL%
+echo ======================================================
+echo.
+
+goto :eof
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+:: This blank space is intentional. If you see errors like "The system cannot find the batch label specified 'foo'"
+:: then try adding or removing blank lines lines above.
+:: Yes, really.
+:: http://stackoverflow.com/questions/232651/why-the-system-cannot-find-the-batch-label-specified-is-thrown-even-if-label-e
+
+:: helper functions:
+
+:: for bailing out when an error occurred
+:die %1
+echo %1
+exit /B 1
+goto :eof
+
diff --git a/.appveyor/install.bat b/.appveyor/install.bat
new file mode 100644
index 00000000..db4800f9
--- /dev/null
+++ b/.appveyor/install.bat
@@ -0,0 +1,151 @@
+@echo off
+
+cd %APPVEYOR_BUILD_FOLDER%
+
+:: =========================================================
+:: Set some defaults. Infer some variables.
+::
+:: These are set globally
+if "%LUA_VER%" NEQ "" (
+        set LUA=lua
+        set LUA_SHORTV=%LUA_VER:~0,3%
+) else (
+        set LUA=luajit
+        set LJ_SHORTV=%LJ_VER:~0,3%
+        set LUA_SHORTV=5.1
+)
+
+:: defines LUA_DIR so Cmake can find this Lua install
+if "%LUA%"=="luajit" (
+        set LUA_DIR=c:\lua\%platform%\lj%LJ_SHORTV%
+) else (
+        set LUA_DIR=c:\lua\%platform%\%LUA_VER%
+)
+
+:: Now we declare a scope
+Setlocal EnableDelayedExpansion EnableExtensions
+
+if not defined LUA_URL set LUA_URL=http://www.lua.org/ftp
+if not defined LUAJIT_GIT_REPO set LUAJIT_GIT_REPO=http://luajit.org/git/luajit-2.0.git
+if not defined LUAJIT_URL set LUAJIT_URL=http://luajit.org/download
+
+if not defined SEVENZIP set SEVENZIP=7z
+::
+:: =========================================================
+
+:: first create some necessary directories:
+mkdir downloads 2>NUL
+
+:: Download and compile Lua (or LuaJIT)
+if "%LUA%"=="luajit" (
+        if not exist %LUA_DIR% (
+                if "%LJ_SHORTV%"=="2.1" (
+                        :: Clone repository and checkout 2.1 branch
+                        set lj_source_folder=%APPVEYOR_BUILD_FOLDER%\downloads\luajit-%LJ_VER%
+                        if not exist !lj_source_folder! (
+                                echo Cloning git repo %LUAJIT_GIT_REPO% !lj_source_folder!
+                                git clone %LUAJIT_GIT_REPO% !lj_source_folder! || call :die "Failed to clone repository"
+                        )
+                        cd !lj_source_folder!\src
+                        git checkout v2.1 || call :die
+                ) else (
+                        set lj_source_folder=%APPVEYOR_BUILD_FOLDER%\downloads\luajit-%LJ_VER%
+                        if not exist !lj_source_folder! (
+                                echo Downloading... %LUAJIT_URL%/LuaJIT-%LJ_VER%.tar.gz
+                                curl --silent --fail --max-time 120 --connect-timeout 30 %LUAJIT_URL%/LuaJIT-%LJ_VER%.tar.gz | %SEVENZIP% x -si -so -tgzip | %SEVENZIP% x -si -ttar -aoa -odownloads
+                        )
+                        cd !lj_source_folder!\src
+                )
+                :: Compiles LuaJIT
+                call msvcbuild.bat
+
+                mkdir %LUA_DIR% 2> NUL
+                for %%a in (bin include lib) do ( mkdir "%LUA_DIR%\%%a" )
+
+                for %%a in (luajit.exe lua51.dll) do ( move "!lj_source_folder!\src\%%a" "%LUA_DIR%\bin" )
+
+                move "!lj_source_folder!\src\lua51.lib" "%LUA_DIR%\lib"
+                for %%a in (lauxlib.h lua.h lua.hpp luaconf.h lualib.h luajit.h) do (
+                        copy "!lj_source_folder!\src\%%a" "%LUA_DIR%\include"
+                )
+
+        ) else (
+                echo LuaJIT %LJ_VER% already installed at %LUA_DIR%
+        )
+) else (
+        if not exist %LUA_DIR% (
+                :: Download and compile Lua
+                if not exist downloads\lua-%LUA_VER% (
+                        curl --silent --fail --max-time 120 --connect-timeout 30 %LUA_URL%/lua-%LUA_VER%.tar.gz | %SEVENZIP% x -si -so -tgzip | %SEVENZIP% x -si -ttar -aoa -odownloads
+                )
+                
+                mkdir downloads\lua-%LUA_VER%\etc 2> NUL
+                if not exist downloads\lua-%LUA_VER%\etc\winmake.bat (
+                        curl --silent --location --insecure --fail --max-time 120 --connect-timeout 30 https://github.com/Tieske/luawinmake/archive/master.tar.gz | %SEVENZIP% x -si -so -tgzip | %SEVENZIP% e -si -ttar -aoa -odownloads\lua-%LUA_VER%\etc luawinmake-master\etc\winmake.bat
+                )
+
+                cd downloads\lua-%LUA_VER%
+                call etc\winmake
+                call etc\winmake install %LUA_DIR%
+        ) else (
+                echo Lua %LUA_VER% already installed at %LUA_DIR%
+        )
+)
+
+if not exist %LUA_DIR%\bin\%LUA%.exe call :die "Missing Lua interpreter at %LUA_DIR%\bin\%LUA%.exe"
+
+set PATH=%LUA_DIR%\bin;%PATH%
+call %LUA% -v
+
+
+
+:: Exports the following variables:
+endlocal & set PATH=%PATH%
+
+echo.
+echo ======================================================
+if "%LUA%"=="luajit" (
+        echo Installation of LuaJIT %LJ_VER% done.
+) else (
+        echo Installation of Lua %LUA_VER% done.
+)
+echo Platform         - %platform%
+echo LUA              - %LUA%
+echo LUA_SHORTV       - %LUA_SHORTV%
+echo LJ_SHORTV        - %LJ_SHORTV%
+echo.
+echo ======================================================
+echo.
+
+goto :eof
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+:: This blank space is intentional. If you see errors like "The system cannot find the batch label specified 'foo'"
+:: then try adding or removing blank lines lines above.
+:: Yes, really.
+:: http://stackoverflow.com/questions/232651/why-the-system-cannot-find-the-batch-label-specified-is-thrown-even-if-label-e
+
+:: helper functions:
+
+:: for bailing out when an error occurred
+:die %1
+echo %1
+exit /B 1
+goto :eof
+
diff --git a/appveyor.yml b/appveyor.yml
index d92c3699..436c341b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,45 +6,28 @@ os:
 shallow_clone: true
 
 environment:
-  LUAURL: http://www.lua.org/ftp
-  LUAROCKS_REPO: http://rocks.moonscript.org
-  #LUA_VER: 5.3.0
-  #LUA_SHORTV: 5.3
+  LUAROCKS_VER: 2.2.1
 
   matrix:
-  - LUA_VER: 5.3.0
-    LUA_SHORTV: 5.3
-
-  - LUA_VER: 5.2.4
-    LUA_SHORTV: 5.2
-
   - LUA_VER: 5.1.5
-    LUA_SHORTV: 5.1
+  - LUA_VER: 5.2.4
+  - LUA_VER: 5.3.0
+  - LJ_VER: 2.0.3
+  - LJ_VER: 2.1
 
 init:
-- appveyor DownloadFile %LUAURL%/lua-%LUA_VER%.tar.gz
-- 7z x lua-%LUA_VER%.tar.gz
-- 7z x lua-%LUA_VER%.tar
-- cd lua-%LUA_VER%
-- appveyor DownloadFile https://github.com/Tieske/luawinmake/archive/master.zip
-- 7z x master.zip
-- if not exist etc mkdir etc
-- mv luawinmake-master\etc\winmake.bat %APPVEYOR_BUILD_FOLDER%\lua-%LUA_VER%\etc\winmake.bat
-- '"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" x86'
-- etc\winmake.bat
-- etc\winmake.bat install c:\lua%LUA_VER%
-- cd %APPVEYOR_BUILD_FOLDER%
+# Setup Lua development/build environment
+# Make VS 2013 command line tools available
+- call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" %platform%
+
+install:
+# Setup Lua development/build environment
+- call .appveyor\install.bat
 
 build_script:
-- install.bat /LUA c:\lua%LUA_VER% /Q /LV %LUA_SHORTV%
-- set PATH=%PATH%;C:\Program Files (x86)\LuaRocks\2.2
-- set LUA_PATH="C:\Program Files (x86)\LuaRocks\2.2\lua\?.lua;C:\Program Files (x86)\LuaRocks\2.2\lua\?\init.lua;C:\Program Files (x86)\LuaRocks\systree\share\lua\%LUA_SHORTV%\?.lua;C:\Program Files (x86)\LuaRocks\systree\share\lua\%LUA_SHORTV%\?\init.lua"
-- set LUA_CPATH="C:\Program Files (x86)\LuaRocks\systree\lib\lua\%LUA_SHORTV%\?.dll"
-- luarocks
+- call .appveyor\build.bat
+
+test_script:
+- echo "Testing..."
 - cd test
-# split this to a different file
-# test_version
-- luarocks --version
-# test_build_command
-- appveyor DownloadFile %LUAROCKS_REPO%/stdlib-41.0.0-1.src.rock
-- luarocks build stdlib
+- call testing.bat
diff --git a/test/testing.bat b/test/testing.bat
new file mode 100644
index 00000000..319e12c3
--- /dev/null
+++ b/test/testing.bat
@@ -0,0 +1,9 @@
+@echo off
+Setlocal EnableDelayedExpansion EnableExtensions
+
+if not defined LUAROCKS_REPO set LUAROCKS_REPO=http://rocks.moonscript.org
+
+appveyor DownloadFile %LUAROCKS_REPO%/stdlib-41.0.0-1.src.rock
+luarocks build stdlib
+
+endlocal