add .travis for ci support

Author: detailyang

.travis/platform.sh

@@ -0,0 +1,15 @@
+if [ -z "${PLATFORM:-}" ]; then
+  PLATFORM=$TRAVIS_OS_NAME;
+fi
+
+if [ "$PLATFORM" == "osx" ]; then
+  PLATFORM="macosx";
+fi
+
+if [ -z "$PLATFORM" ]; then
+  if [ "$(uname)" == "Linux" ]; then
+    PLATFORM="linux";
+  else
+    PLATFORM="macosx";
+  fi;
+fi

.travis/setenv_lua.sh

@@ -0,0 +1,3 @@
+export PATH=${PATH}:$HOME/.lua:$HOME/.local/bin:${TRAVIS_BUILD_DIR}/install/luarocks/bin
+bash .travis/setup_lua.sh
+eval `$HOME/.lua/luarocks path`

.travis/setup_lua.sh

@@ -0,0 +1,122 @@
+#! /bin/bash
+
+# A script for setting up environment for travis-ci testing.
+# Sets up Lua and Luarocks.
+# LUA must be "lua5.1", "lua5.2" or "luajit".
+# luajit2.0 - master v2.0
+# luajit2.1 - master v2.1
+
+set -eufo pipefail
+
+LUAJIT_VERSION="2.0.4"
+LUAJIT_BASE="LuaJIT-$LUAJIT_VERSION"
+
+source .travis/platform.sh
+
+LUA_HOME_DIR=$TRAVIS_BUILD_DIR/install/lua
+
+LR_HOME_DIR=$TRAVIS_BUILD_DIR/install/luarocks
+
+mkdir $HOME/.lua
+
+LUAJIT="no"
+
+if [ "$PLATFORM" == "macosx" ]; then
+  if [ "$LUA" == "luajit" ]; then
+    LUAJIT="yes";
+  fi
+  if [ "$LUA" == "luajit2.0" ]; then
+    LUAJIT="yes";
+  fi
+  if [ "$LUA" == "luajit2.1" ]; then
+    LUAJIT="yes";
+  fi;
+elif [ "$(expr substr $LUA 1 6)" == "luajit" ]; then
+  LUAJIT="yes";
+fi
+
+mkdir -p "$LUA_HOME_DIR"
+
+if [ "$LUAJIT" == "yes" ]; then
+
+  if [ "$LUA" == "luajit" ]; then
+    curl --location https://github.com/LuaJIT/LuaJIT/archive/v$LUAJIT_VERSION.tar.gz | tar xz;
+  else
+    git clone https://github.com/LuaJIT/LuaJIT.git $LUAJIT_BASE;
+  fi
+
+  cd $LUAJIT_BASE
+
+  if [ "$LUA" == "luajit2.1" ]; then
+    git checkout v2.1;
+    # force the INSTALL_TNAME to be luajit
+    perl -i -pe 's/INSTALL_TNAME=.+/INSTALL_TNAME= luajit/' Makefile
+  fi
+
+  make && make install PREFIX="$LUA_HOME_DIR"
+
+  ln -s $LUA_HOME_DIR/bin/luajit $HOME/.lua/luajit
+  ln -s $LUA_HOME_DIR/bin/luajit $HOME/.lua/lua;
+
+else
+
+  if [ "$LUA" == "lua5.1" ]; then
+    curl http://www.lua.org/ftp/lua-5.1.5.tar.gz | tar xz
+    cd lua-5.1.5;
+  elif [ "$LUA" == "lua5.2" ]; then
+    curl http://www.lua.org/ftp/lua-5.2.4.tar.gz | tar xz
+    cd lua-5.2.4;
+  elif [ "$LUA" == "lua5.3" ]; then
+    curl http://www.lua.org/ftp/lua-5.3.2.tar.gz | tar xz
+    cd lua-5.3.2;
+  fi
+
+  # Build Lua without backwards compatibility for testing
+  perl -i -pe 's/-DLUA_COMPAT_(ALL|5_2)//' src/Makefile
+  make $PLATFORM
+  make INSTALL_TOP="$LUA_HOME_DIR" install;
+
+  ln -s $LUA_HOME_DIR/bin/lua $HOME/.lua/lua
+  ln -s $LUA_HOME_DIR/bin/luac $HOME/.lua/luac;
+
+fi
+
+cd $TRAVIS_BUILD_DIR
+
+lua -v
+
+LUAROCKS_BASE=luarocks-$LUAROCKS
+
+curl --location http://luarocks.org/releases/$LUAROCKS_BASE.tar.gz | tar xz
+
+cd $LUAROCKS_BASE
+
+if [ "$LUA" == "luajit" ]; then
+  ./configure --lua-suffix=jit --with-lua-include="$LUA_HOME_DIR/include/luajit-2.0" --prefix="$LR_HOME_DIR";
+elif [ "$LUA" == "luajit2.0" ]; then
+  ./configure --lua-suffix=jit --with-lua-include="$LUA_HOME_DIR/include/luajit-2.0" --prefix="$LR_HOME_DIR";
+elif [ "$LUA" == "luajit2.1" ]; then
+  ./configure --lua-suffix=jit --with-lua-include="$LUA_HOME_DIR/include/luajit-2.1" --prefix="$LR_HOME_DIR";
+else
+  ./configure --with-lua="$LUA_HOME_DIR" --prefix="$LR_HOME_DIR"
+fi
+
+make build && make install
+
+ln -s $LR_HOME_DIR/bin/luarocks $HOME/.lua/luarocks
+
+cd $TRAVIS_BUILD_DIR
+
+luarocks --version
+
+rm -rf $LUAROCKS_BASE
+
+if [ "$LUAJIT" == "yes" ]; then
+  rm -rf $LUAJIT_BASE;
+elif [ "$LUA" == "lua5.1" ]; then
+  rm -rf lua-5.1.5;
+elif [ "$LUA" == "lua5.2" ]; then
+  rm -rf lua-5.2.4;
+elif [ "$LUA" == "lua5.3" ]; then
+  rm -rf lua-5.3.2;
+fi