Add initial support for Travis CI

.travis.yml

@@ -0,0 +1,16 @@
+language: shell
+sudo: required
+
+env:
+  matrix:
+    - CHECK=format
+    - CHECK=docs
+
+install:
+  - sudo resources/travis/setup.sh $CHECK
+
+script:
+  - sudo resources/travis/build.sh $CHECK
+
+notifications:
+  email: false

resources/travis/build.sh

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+#!/bin/sh
+set -e
+
+. "$(dirname "$0")"/common.sh
+
+for arg in "$@"
+do
+  case "$arg" in
+    format) ENABLE_FORMAT=true;;
+    docs)   ENABLE_DOCS=true;;
+    *)      echo "Unknown command: $1" && exit 1
+  esac
+done
+
+alpine_run prepare <<-EOF
+  mkdir -p /tmp/build/format
+  mkdir -p /tmp/build/docs
+EOF
+
+
+
+if [ "$ENABLE_FORMAT" = true ]; then
+alpine_run format <<-EOF
+  cd /tmp/build/format
+
+  cmake -Dtools.only=ON ~
+  make format
+  cd ~
+  git add .
+  git --no-pager diff --staged
+  git diff-index --quiet HEAD
+EOF
+fi
+
+
+if [ "$ENABLE_DOCS" = true ]; then
+alpine_run docs <<-EOF
+  cd /tmp/build/docs
+
+  cmake -Dtools.only=ON ~
+  make sdk
+  make notes
+EOF
+fi

resources/travis/common.sh

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+readonly ALPINE_ROOT='/mnt/alpine'
+readonly ALPINE_USER='governikus'
+
+alpine_run() {
+  local folding="${1:-chroot}"
+  local user="${2:-${ALPINE_USER}}"
+  local cmd="${3:-sh}"
+
+  echo -e "travis_fold:start:$folding"
+  chroot "$ALPINE_ROOT" /usr/bin/env -i su -l $user sh -c "cd; $cmd"
+  echo -e "travis_fold:end:$folding"
+}

resources/travis/setup.sh

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+#!/bin/sh
+set -eu
+
+. "$(dirname "$0")"/common.sh
+
+readonly CLONE_DIR="${CLONE_DIR:-$(pwd)}"
+
+MINIROOTFS_VERSION="3.6.2"
+MINIROOTFS_SHA="df4bf81fdafdc72b32ad455c23901935fdfe5815993612ba7a2df4bae79d97ca"
+
+MINIROOTFS="alpine-minirootfs-${MINIROOTFS_VERSION}-x86_64.tar.gz"
+MINIROOTFS_URI="http://dl-cdn.alpinelinux.org/alpine/v${MINIROOTFS_VERSION%.*}/releases/x86_64/$MINIROOTFS"
+
+cd /tmp
+wget "$MINIROOTFS_URI"
+echo "$MINIROOTFS_SHA  $MINIROOTFS" | sha256sum -c
+
+mkdir -p "${ALPINE_ROOT}"
+tar xf "$MINIROOTFS" -C "${ALPINE_ROOT}"
+
+chmod 755 "$ALPINE_ROOT"
+cd "$ALPINE_ROOT"
+
+cp /etc/resolv.conf etc/resolv.conf
+mount -t proc none proc
+mount --rbind /sys sys
+mount --rbind /dev dev
+mount --rbind /run run
+ln -sf /run/shm dev/shm
+
+
+PACKAGES="cmake make ninja git"
+for arg in "$@"
+do
+  case "$arg" in
+    format) PACKAGES="$PACKAGES uncrustify";;
+    docs)   PACKAGES="$PACKAGES py2-sphinx py2-setuptools";;
+    *)      echo "Unknown command: $1" && exit 1
+  esac
+done
+
+
+alpine_run packages root <<-EOF
+  adduser $ALPINE_USER -G users -s /bin/sh -D
+  apk upgrade -U -a
+  apk add $PACKAGES
+EOF
+
+mount --bind "$CLONE_DIR" "${ALPINE_ROOT}/home/${ALPINE_USER}"
+
+alpine_run chown root <<-EOF
+  chown -R $ALPINE_USER: /home/${ALPINE_USER}
+EOF