From a5b97b53ebcd74bbab2f174ef26f96dd0ce2d9a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Klitzing?= <aklitzing@gmail.com>
Date: Fri, 29 Sep 2017 14:29:35 +0200
Subject: [PATCH] Add initial support for Travis CI

---
 .travis.yml                | 16 ++++++++++++
 resources/travis/build.sh  | 44 +++++++++++++++++++++++++++++++
 resources/travis/common.sh | 12 +++++++++
 resources/travis/setup.sh  | 53 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 125 insertions(+)
 create mode 100644 .travis.yml
 create mode 100755 resources/travis/build.sh
 create mode 100644 resources/travis/common.sh
 create mode 100755 resources/travis/setup.sh

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..b7fb89d
--- /dev/null
+++ b/.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 $CHECK
+
+notifications:
+  email: false
diff --git a/resources/travis/build.sh b/resources/travis/build.sh
new file mode 100755
index 0000000..e32154c
--- /dev/null
+++ b/resources/travis/build.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+set -e
+
+. "$(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 [ "$ENABLE_DOCS" = true ]; then
+alpine_run docs <<-EOF
+  cd /tmp/build/docs
+
+  cmake -Dtools.only=ON ~
+  make sdk
+  make notes
+EOF
+fi
diff --git a/resources/travis/common.sh b/resources/travis/common.sh
new file mode 100644
index 0000000..f929f64
--- /dev/null
+++ b/resources/travis/common.sh
@@ -0,0 +1,12 @@
+readonly ALPINE_ROOT='/mnt/alpine'
+readonly ALPINE_USER='governikus'
+
+alpine_run() {
+  local folding="${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"
+}
diff --git a/resources/travis/setup.sh b/resources/travis/setup.sh
new file mode 100755
index 0000000..85676b3
--- /dev/null
+++ b/resources/travis/setup.sh
@@ -0,0 +1,53 @@
+#!/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