Travis CI integration

.ci/install-luarocks.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+version=${LUAROCKS_VERSION}
+luarocks_tarball=https://luarocks.github.io/luarocks/releases/luarocks-${version}.tar.gz
+
+set -e
+
+# Do we already have the correct LuaRocks built?
+if [ -d "$HOME/luarocks/bin" ]; then
+    installed_version=$($HOME/luarocks/bin/luarocks --version | head -1 | awk '{print $2}')
+    echo "Need LuaRocks $version"
+    echo "Found LuaRocks $installed_version"
+
+    if [ "$installed_version" == "$version" ]; then
+        echo "Using cached LuaRocks directory"
+        exit 0
+    fi
+fi
+
+echo "Installing LuaRocks $version"
+
+rm -rf $HOME/luarocks
+mkdir $HOME/luarocks
+
+curl -L ${luarocks_tarball} | tar xz
+cd luarocks-${version}
+./configure --prefix="$HOME/luarocks" $*
+make build -j${JOBS} && make install
+
+cd ../
+rm -rf luarocks-${version}

.ci/install-vips.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+version=${VIPS_VERSION}
+pre_version=${VIPS_PRE_VERSION}
+tar_version=${VIPS_TAR_VERSION}
+vips_tarball=https://github.com/jcupitt/libvips/releases/download/v${version}${pre_version:+-$pre_version}/vips-${tar_version}.tar.gz
+
+set -e
+
+# Do we already have the correct vips built?
+if [ -d "$HOME/vips/bin" ]; then
+    installed_version=$($HOME/vips/bin/vips --version | awk -F- '{print $2}')
+    echo "Need vips $version"
+    echo "Found vips $installed_version"
+
+    if [[ "$installed_version" == "$version" ]]; then
+        echo "Using cached vips directory"
+        exit 0
+    fi
+fi
+
+echo "Installing vips $version"
+
+rm -rf $HOME/vips
+mkdir $HOME/vips
+
+curl -L ${vips_tarball} | tar xz
+cd vips-${version}
+CXXFLAGS=-D_GLIBCXX_USE_CXX11_ABI=0 ./configure --prefix="$HOME/vips" $*
+make -j${JOBS} && make install
+
+cd ../
+rm -rf vips-${version}

.travis.yml

@@ -0,0 +1,64 @@
+sudo: false
+
+language: generic
+
+dist: trusty
+
+env:
+  global:
+    - LUAROCKS_VERSION=3.0.0
+    - VIPS_VERSION=8.7.0
+    - VIPS_PRE_VERSION=rc1
+    - VIPS_TAR_VERSION=$VIPS_VERSION
+    - VIPS_WARNING=0
+    - JOBS=2
+    - LD_LIBRARY_PATH=$HOME/vips/lib:$LD_LIBRARY_PATH
+    - PKG_CONFIG_PATH=$HOME/vips/lib/pkgconfig:$PKG_CONFIG_PATH
+    - PATH=$HOME/vips/bin:$HOME/luarocks/bin:/usr/local/openresty/luajit/bin:$PATH
+
+cache:
+  directories:
+    - $HOME/vips
+    - $HOME/luarocks
+
+addons:
+  apt:
+    sources:
+      # Use the official APT repositories from OpenResty (which includes LuaJIT 2.1.0-beta3),
+      # because LuaJIT on trusty is quite old.
+      - sourceline: 'deb http://openresty.org/package/ubuntu trusty main'
+        key_url: 'https://openresty.org/package/pubkey.gpg'
+    packages:
+      - openresty
+      - libexpat1-dev
+      - gettext
+      - libglib2.0-dev
+      - liborc-0.4-dev
+      - libfftw3-dev
+      - liblcms2-dev
+      - libmagickwand-dev
+      - libopenexr-dev
+      - libcfitsio3-dev
+      - libgif-dev
+      - libgsf-1-dev
+      - libmatio-dev
+      - libopenslide-dev
+      - libpango1.0-dev
+      - libpoppler-glib-dev
+      - librsvg2-dev
+      - libwebp-dev
+
+before_install:
+  - bash .ci/install-vips.sh
+  - bash .ci/install-luarocks.sh
+    --with-lua=/usr/local/openresty/luajit/
+    --lua-suffix=jit-2.1.0-beta3
+    --with-lua-include=/usr/local/openresty/luajit/include/luajit-2.1
+  - eval `luarocks path`
+
+install:
+  - make dev
+
+script:
+  - make lint
+  - make test

Makefile

@@ -0,0 +1,21 @@
+DEV_ROCKS = "busted 2.0.rc12" "luacheck 0.22.1"
+BUSTED_ARGS ?= -o gtest -v
+TEST_CMD ?= busted $(BUSTED_ARGS)
+
+.PHONY: dev lint test
+
+dev:
+	@for rock in $(DEV_ROCKS) ; do \
+	  if luarocks list --porcelain $$rock | grep -q "installed" ; then \
+	    echo $$rock already installed, skipping ; \
+	  else \
+	    echo $$rock not found, installing via luarocks... ; \
+	    luarocks install $$rock ; \
+	  fi \
+	done;
+
+lint:
+	@luacheck -q .
+
+test:
+	@$(TEST_CMD) spec/

example/soak.lua

@@ -22,7 +22,7 @@ for i = 0, tonumber(arg[2]) do
     -- local buf = im:write_to_buffer(".jpg")
     -- im:write_to_file("x.jpg")
     im:write_to_file("x.v")
-    im = nil
+    im = nil -- luacheck: ignore
 
     collectgarbage()
 end