feat(appimage): build appimage on TravisCI

first step on the way to #4874

.travis.yml

@@ -103,10 +103,15 @@ matrix:
       cache:
         directories:
           - /opt/build-windows/x86_64
-    - stage: macOS
+    - stage: "macOS and AppImage"
       os: osx
       osx_image: xcode7.3
       env: JOB=build-osx
+    - stage: "macOS and AppImage"
+      os: linux
+      script: ./appimage/build-appimage.sh
+      services:
+        - docker
 
 script: "./.travis/$JOB.sh"
 

appimage/build-appimage.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+# MIT License
+#
+# Copyright © 2018 by The qTox Project Contributors
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+# This script should be run from the root of the repository
+
+if [ ! -f ./appimage/build-appimage.sh ]; then
+    echo ""
+    echo "You are attempting to run the build-appimage.sh from a wrong directory."
+    echo "If you wish to run this script, you'll have to have"
+    echo "the repository root directory as the working directory."
+    echo ""
+    exit 1
+fi
+
+mkdir -p ./output
+
+docker run --rm \
+    -v $PWD:/qtox \
+    -v $PWD/output:/output \
+    debian:stretch-slim \
+    /bin/bash -c "/qtox/appimage/build.sh"

appimage/build.sh

@@ -0,0 +1,109 @@
+#!/usr/bin/env bash
+
+# MIT License
+#
+# Copyright © 2018 by The qTox Project Contributors
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+
+# Fail out on error
+set -exuo pipefail
+
+# directory paths
+readonly QTOX_SRC_DIR="/qtox"
+readonly OUTPUT_DIR="/output"
+readonly BUILD_DIR="/build"
+readonly QTOX_BUILD_DIR="$BUILD_DIR"/qtox
+readonly QTOX_APP_DIR="$BUILD_DIR"/appdir
+# "linuxdeployqt" is to long, shortened to ldqt
+readonly LDQT_BUILD_DIR="$BUILD_DIR"/ldqt
+# "appimagetool" becomes aitool
+readonly AITOOL_BUILD_DIR="$BUILD_DIR"/aitool
+# ldqt binary
+readonly LDQT_BIN="/usr/lib/x86_64-linux-gnu/qt5/bin/linuxdeployqt"
+readonly APT_FLAGS="-y --no-install-recommends"
+# use multiple cores when building
+export MAKEFLAGS="-j$(nproc)"
+
+# Get packages
+apt-get update
+apt-get install $APT_FLAGS sudo ca-certificates wget fuse xxd git g++ patchelf
+
+# get version
+cd "$QTOX_SRC_DIR"
+export VERSION=$(git rev-parse --short HEAD) # linuxdeployqt uses this for naming the file
+
+
+# create build directory
+mkdir -p "$BUILD_DIR"
+cd "$BUILD_DIR"
+
+# copy qtox source
+cp -r "$QTOX_SRC_DIR" "$QTOX_BUILD_DIR"
+cd "$QTOX_BUILD_DIR"
+
+# reuse for our purposes, pass flags to automatically install packages
+./simple_make.sh "$APT_FLAGS"
+
+# build dir of simple_make
+cd _build
+
+make DESTDIR="$QTOX_APP_DIR" install ; find "$QTOX_APP_DIR"
+
+LDQT_HASH="9c90a882ac744b5f704598e9588450ddfe487c67" # is master as of 2018-04-25
+# build linuxdeployqt
+git clone https://github.com/probonopd/linuxdeployqt.git "$LDQT_BUILD_DIR"
+cd "$LDQT_BUILD_DIR"
+git checkout "$LDQT_HASH"
+qmake
+make
+make install
+
+AITOOL_HASH="5d93115f279d94a4d23dfd64fb8ccd109e98f039" # is master as of 2018-04-25
+# build appimagetool
+git clone -b appimagetool/master --single-branch --recursive https://github.com/AppImage/AppImageKit "$AITOOL_BUILD_DIR"
+cd "$AITOOL_BUILD_DIR"
+git checkout "$AITOOL_HASH"
+bash -ex install-build-deps.sh
+# Fetch git submodules
+git submodule update --init --recursive
+
+# Build AppImage
+mkdir build
+cd build
+
+# make sure that deps in separate install tree are found
+export PKG_CONFIG_PATH=/deps/lib/pkgconfig/
+
+cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_TESTING=ON -DAPPIMAGEKIT_PACKAGE_DEBS=ON
+make
+make install
+
+# build qtox AppImage
+cd "$OUTPUT_DIR"
+unset QTDIR; unset QT_PLUGIN_PATH; unset LD_LIBRARY_PATH;
+
+readonly QTOX_DESKTOP_FILE="$QTOX_APP_DIR"/usr/local/share/applications/*.desktop
+
+eval "$LDQT_BIN $QTOX_DESKTOP_FILE -bundle-non-qt-libs"
+eval "$LDQT_BIN $QTOX_DESKTOP_FILE -appimage"
+
+# Chmod since everything is root:root
+chmod 755 -R "$OUTPUT_DIR"

simple_make.sh

@@ -2,6 +2,9 @@
 
 set -eu -o pipefail
 
+# additional flags for apt-get, used for CI
+readonly APT_FLAGS=$1
+
 apt_install() {
     local apt_packages=(
         automake
@@ -31,7 +34,7 @@ apt_install() {
         qttools5-dev-tools
     )
 
-    sudo apt-get install "${apt_packages[@]}"
+    sudo apt-get install $APT_FLAGS "${apt_packages[@]}"
 }
 
 pacman_install() {