Add Travis CI (#15)

* Add and enable Travis CI builds
* Add build status to readme

3 files changed, 250 insertions, 1 deletions

diff --git a/.travis-ci.sh b/.travis-ci.sh
new file mode 100644
index 0000000..b3e0744
--- /dev/null
+++ b/.travis-ci.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+
+# This script is triggered from the script section of .travis.yml
+# It runs the appropriate commands depending on the task requested.
+
+set -e
+
+COVERITY_SCAN_BUILD_URL="https://scan.coverity.com/scripts/travisci_build_coverity_scan.sh"
+
+SPELLINGBLACKLIST=$(cat <<-BLACKLIST
+      -wholename "./.git/*"
+BLACKLIST
+)
+
+if [[ $TASK = 'spellintian' ]]; then
+  # run spellintian only if it is the requested task, ignoring duplicate words
+  spellingfiles=$(eval "find ./ -type f -and ! \( \
+      $SPELLINGBLACKLIST \
+      \) | xargs")
+  # count the number of spellintian errors, ignoring duplicate words
+  spellingerrors=$(zrun spellintian $spellingfiles 2>&1 | grep -v "\(duplicate word\)" | wc -l)
+  if [[ $spellingerrors -ne 0 ]]; then
+    # print the output for info
+    zrun spellintian $spellingfiles | grep -v "\(duplicate word\)"
+    echo "Found $spellingerrors spelling errors via spellintian, ignoring duplicates"
+    exit 1;
+  else
+    echo "Found $spellingerrors spelling errors via spellintian, ignoring duplicates"
+  fi;
+elif [[ $TASK = 'spellintian-duplicates' ]]; then
+  # run spellintian only if it is the requested task
+  spellingfiles=$(eval "find ./ -type f -and ! \( \
+      $SPELLINGBLACKLIST \
+      \) | xargs")
+  # count the number of spellintian errors
+  spellingerrors=$(zrun spellintian $spellingfiles 2>&1 | wc -l)
+  if [[ $spellingerrors -ne 0 ]]; then
+    # print the output for info
+    zrun spellintian $spellingfiles
+    echo "Found $spellingerrors spelling errors via spellintian"
+    exit 1;
+  else
+    echo "Found $spellingerrors spelling errors via spellintian"
+  fi;
+elif [[ $TASK = 'codespell' ]]; then
+  # run codespell only if it is the requested task
+  spellingfiles=$(eval "find ./ -type f -and ! \( \
+      $SPELLINGBLACKLIST \
+      \) | xargs")
+  # count the number of codespell errors
+  spellingerrors=$(zrun codespell --check-filenames --check-hidden --quiet 2 --regex "[a-zA-Z0-9][\\-'a-zA-Z0-9]+[a-zA-Z0-9]" $spellingfiles 2>&1 | wc -l)
+  if [[ $spellingerrors -ne 0 ]]; then
+    # print the output for info
+    zrun codespell --check-filenames --check-hidden --quiet 2 --regex "[a-zA-Z0-9][\\-'a-zA-Z0-9]+[a-zA-Z0-9]" $spellingfiles
+    echo "Found $spellingerrors spelling errors via codespell"
+    exit 1;
+  else
+    echo "Found $spellingerrors spelling errors via codespell"
+  fi;
+elif [[ $TASK = 'coverity' ]]; then
+  # Run Coverity Scan unless token is zero length
+  # The Coverity Scan script also relies on a number of other COVERITY_SCAN_
+  # variables set in .travis.yml
+  if [[ ${#COVERITY_SCAN_TOKEN} -ne 0 ]]; then
+    curl -s $COVERITY_SCAN_BUILD_URL | bash
+  else
+    echo "Skipping Coverity Scan as no token found, probably a Pull Request"
+  fi;
+elif [[ $TASK = 'sanitize' ]]; then
+  # Run sanitized compile
+  travis_fold start "make_sanitize"
+  make sanitize;
+  travis_fold end "make_sanitize"
+else
+  # Otherwise compile as normal
+  travis_fold start "make"
+  make;
+  travis_fold end "make"
+fi
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..1b7c2e2
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,170 @@
+language: c
+# Use the latest Travis images since they are more up to date than the stable release.
+group: edge
+
+before_script:
+ - export -f travis_fold
+
+script:
+ - "bash -ex .travis-ci.sh"
+
+addons:
+  apt:
+    packages: &base_build
+     # This is the absolute minimum for configure to pass
+     # Non C++ based tasks use it so they can run make builtfiles
+     - ccache
+    packages: &core_build
+     # This is all the bits we need to enable all options
+     - *base_build
+     - libasound2-dev
+     - libevdev-dev
+    packages: &core_build_gpp_latest
+     - *core_build
+     - gcc-8
+    packages: &core_build_clang_latest
+     - *core_build
+     - clang-6.0
+
+matrix:
+  fast_finish: true
+  include:
+    - os: osx
+      osx_image: xcode10.2
+      compiler: clang
+      env:
+      - TASK='compile'
+    - os: osx
+      osx_image: xcode10.2
+      compiler: gcc
+      env:
+      - TASK='compile'
+    - os: osx
+      osx_image: xcode10.2
+      compiler: clang
+      env:
+      - TASK='sanitize'
+    - os: linux
+      dist: xenial
+      compiler: clang
+      env: TASK='compile'
+      addons:
+        apt:
+          packages:
+           - *core_build_clang_latest
+          sources:
+           - ubuntu-toolchain-r-test
+           - llvm-toolchain-xenial-6.0
+    - os: linux
+      dist: xenial
+      compiler: gcc
+      env: TASK='compile'
+      addons:
+        apt:
+          packages:
+           - *core_build_gpp_latest
+          sources:
+           - ubuntu-toolchain-r-test
+    - os: linux
+      dist: xenial
+      compiler: clang
+      env: TASK='sanitize'
+      addons:
+        apt:
+          packages:
+           - *core_build_clang_latest
+          sources:
+           - ubuntu-toolchain-r-test
+           - llvm-toolchain-xenial-6.0
+    - os: linux
+      dist: xenial
+      compiler: gcc
+      env: TASK='coverity'
+      addons:
+        apt:
+          packages:
+           # Coverity doesn't work with g++-5 or g++-6 yet
+           - *core_build
+           - gcc-4.9
+          sources:
+           - ubuntu-toolchain-r-test
+    - os: linux
+      dist: xenial
+      env: TASK='spellintian'
+      addons:
+        apt:
+          packages:
+           - *core_build
+           - moreutils
+    - os: linux
+      dist: xenial
+      env: TASK='spellintian-duplicates'
+      addons:
+        apt:
+          packages:
+           - *core_build
+           - moreutils
+    - os: linux
+      dist: xenial
+      env: TASK='codespell'
+      addons:
+        apt:
+          packages:
+           - *core_build
+           - moreutils
+  allow_failures:
+    - os: linux
+      dist: xenial
+      compiler: gcc
+      env: TASK='coverity'
+    - os: linux
+      dist: xenial
+      env: TASK='spellintian-duplicates'
+
+env:
+  global:
+   # No colours in terminal (to reduce log file size)
+   - TERM=dumb
+   # Parallel make build
+   - MAKEFLAGS="-j 2"
+   # -- BEGIN Coverity Scan ENV
+   - COVERITY_SCAN_BUILD_COMMAND_PREPEND="cov-configure --comptype gcc --compiler gcc-4.9 --template"
+   # The build command with all of the arguments that you would apply to a manual `cov-build`
+   # Usually this is the same as STANDARD_BUILD_COMMAND, excluding the automated test arguments
+   - COVERITY_SCAN_BUILD_COMMAND="make"
+   # Name of the project
+   - COVERITY_SCAN_PROJECT_NAME="$TRAVIS_REPO_SLUG"
+   # Email address for notifications related to this build
+   # - COVERITY_SCAN_NOTIFICATION_EMAIL=""
+   # Regular expression selects on which branches to run analysis
+   # Be aware of quotas. Do not run on every branch/commit
+   - COVERITY_SCAN_BRANCH_PATTERN=".*"
+   # COVERITY_SCAN_TOKEN via "travis encrypt" using the repo's public key
+   # - secure: ""
+   # -- END Coverity Scan ENV
+
+cache:
+  apt: true
+  directories:
+    - $HOME/.ccache # ccache cache
+
+before_cache:
+  - ccache -s # see how many hits ccache got
+
+install:
+  - if [ "$TASK" = "codespell" ]; then pip install --user git+https://github.com/codespell-project/codespell.git; fi
+
+before_install:
+ - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
+ - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install ccache; fi
+ - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then PATH=/usr/local/opt/ccache/libexec:$PATH; fi # Use ccache on Mac too
+#Coverity doesn't work with g++ 5 or 6, so only upgrade to g++ 4.9 for that
+ - if [ "$TRAVIS_OS_NAME" == "linux" -a \( "$TASK" = "compile" -o "$TASK" = "sanitize" \) -a "$CC" = "gcc" ]; then export CC="ccache gcc-8"; fi
+#Use the latest clang if we're compiling with clang
+ - if [ "$TRAVIS_OS_NAME" == "linux" -a "$CC" = "clang" ]; then export CC="clang-6.0"; fi
+#Report the compiler version
+ - $CC --version
+ - if [ "$TASK" == "spellintian" -o "$TASK" == "spellintian-duplicates" ]; then wget "http://archive.ubuntu.com/ubuntu/pool/main/l/lintian/lintian_2.5.104_all.deb"; sudo dpkg -i lintian_*.deb; sudo apt-get install -f -y; fi # Install a later lintian
+
+after_script:
+  - if [ "$TASK" = "coverity" ]; then tail -n 10000 ${TRAVIS_BUILD_DIR}/cov-int/build-log.txt; cat ${TRAVIS_BUILD_DIR}/cov-int/scm_log.txt; fi
diff --git a/README.md b/README.md
index ef0069d..095121c 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ on any other (or the same) supported protocol, for example to:
 * Control lighting fixtures or DAWs using gamepad controllers ([Example configuration](configs/evdev.conf))
 * Play games or type using MIDI controllers
 
-[![Coverity Scan Build Status](https://scan.coverity.com/projects/15168/badge.svg)](https://scan.coverity.com/projects/15168)
+[![Build Status](https://travis-ci.com/cbdevnet/midimonster.svg?branch=master)](https://travis-ci.com/cbdevnet/midimonster) [![Coverity Scan Build Status](https://scan.coverity.com/projects/15168/badge.svg)](https://scan.coverity.com/projects/15168)
 
 # Table of Contents