Work towards Travis ci builds of the emacs plugin

.gitignore

@@ -0,0 +1 @@
+*.elc

.travis.yml

@@ -0,0 +1,27 @@
+# https://github.com/rolandwalker/emacs-travis
+
+language: emacs-lisp
+
+env:
+  matrix:
+    - EMACS=emacs24
+    - EMACS=emacs-snapshot
+
+install:
+  - if [ "$EMACS" = "emacs24" ]; then
+        sudo add-apt-repository -y ppa:cassou/emacs &&
+        sudo apt-get update -qq &&
+        sudo apt-get install -qq emacs24 emacs24-el;
+    fi
+  - if [ "$EMACS" = "emacs-snapshot" ]; then
+        sudo add-apt-repository -y ppa:cassou/emacs &&
+        sudo apt-get update -qq &&
+        sudo apt-get install -qq emacs-snapshot &&
+        sudo apt-get install -qq emacs-snapshot-el emacs-snapshot-gtk;
+    fi
+
+script:
+  $EMACS --version && make test EMACS=${EMACS}
+
+# notifications:
+#   email: false

Makefile

@@ -0,0 +1,28 @@
+# -*- Makefile -*-
+
+EMACS = emacs
+
+TEST_DIR = ert-tests
+TRAVIS_FILE = .travis.yml
+
+# Compile with noninteractive and relatively clean environment.
+BATCHFLAGS = -batch -q --no-site-file
+
+SRCS = editorconfig.el
+OBJS = $(SRCS:.el=.elc)
+
+%.elc: %.el
+	${EMACS} $(BATCHFLAGS) -f batch-byte-compile $^
+
+.PHONY: all clean test test-travis
+
+all: $(OBJS)
+
+clean:
+	-rm -f $(OBJS)
+
+test:
+	${EMACS} $(BATCHFLAGS) -l editorconfig.el
+
+test-travis:
+	@if test -z "$$TRAVIS" && test -e $(TRAVIS_FILE); then travis-lint $(TRAVIS_FILE); fi

ert-tests/tests.el

@@ -0,0 +1,14 @@
+(require 'editorconfig)
+
+;;; interactive
+
+(ert-deftest interactive-test-01 nil
+  "This test should not run on Travis"
+  :tags '(:interactive)
+  (should t))
+
+;;; noninteractive, will run on Travis
+
+(ert-deftest has-feature-01 nil
+  "minimally working - provides 'editorconfig"
+  (should (featurep 'editorconfig)))