AppImageCreationScript

#! /bin/bash

set -x
set -e

# use RAM disk if possible
if [ "$CI" == "" ] && [ -d /dev/shm ]; then
    TEMP_BASE=/dev/shm
else
    TEMP_BASE=/tmp
fi

BUILD_DIR=$(mktemp -d -p "$TEMP_BASE" pyfa-build-XXXXXX)

cleanup () {
    if [ -d "$BUILD_DIR" ]; then
        rm -rf "$BUILD_DIR"
    fi
}

trap cleanup EXIT

# store repo root as variable
REPO_ROOT=$(readlink -f $(dirname $(dirname "$0")))
OLD_CWD=$(readlink -f .)

pushd "$BUILD_DIR"

wget https://github.com/TheAssassin/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
wget https://raw.githubusercontent.com/linuxdeploy/linuxdeploy-plugin-conda/master/linuxdeploy-plugin-conda.sh

chmod +x linuxdeploy*.AppImage
chmod +x linuxdeploy*.sh

export VERSION=$(cd "$REPO_ROOT" && python3 scripts/dump_version.py)

# install pre-built wxPython first, so it doesn't have to be built from source
# pip will just ignore the dependency in requirements.txt once it's installed
export CONDA_CHANNELS="ufechner"
export CONDA_PACKAGES="sdl"
export PIP_REQUIREMENTS="https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-18.04/wxPython-4.0.4-cp37-cp37m-linux_x86_64.whl -r requirements.txt"
export PIP_WORKDIR="$REPO_ROOT"

# copy icons so they can be named properly, then pass them to linuxdeploy to make it sort them into the correct places
# they need to be put into two separate directories, as they will need the same filename
mkdir -p icons/{32,64}
cp "$REPO_ROOT"/imgs/gui/pyfa.png icons/32/pyfa.png
cp "$REPO_ROOT"/imgs/gui/pyfa64.png icons/64/pyfa.png

# write minimalistic working desktop file to build dir
cat > pyfa.desktop <<\EOF
[Desktop Entry]
Name=pyfa
Comment=Python fitting assistant, cross-platform fitting tool for EVE Online
Type=Application
Exec=pyfa
Icon=pyfa
Categories=Utility;Game;
EOF

# provide custom AppRun script that calls python3 correctly
cat > AppRun.sh <<\EOF
#! /bin/bash

this_dir=$(dirname "$0")
# add own bin dir as fallback
# might come in handy if readelf binary is missing on the system (not sure if that's even possible, though)
export PATH="$PATH":"$this_dir"/usr/bin

# make sure libraries used by wxPython are found
export LD_LIBRARY_PATH="$this_dir"/usr/conda/lib:"$this_dir"/usr/conda/x86_64-conda_cos6-linux-gnu/sysroot/usr/lib64/:"$this_dir"/usr/lib

"$this_dir"/usr/bin/python3 "$this_dir"/pyfa/pyfa.py
EOF
chmod +x AppRun.sh

# note for self: linuxdeploy-x86_64 should just define ARCH
export ARCH=x86_64

# create AppDir with Python env (through conda plugin), preparing as much as possible
# AppImage will be built laterO
./linuxdeploy-x86_64.AppImage --appdir AppDir --plugin conda \
    -i icons/32/pyfa.png -i icons/64/pyfa.png -d pyfa.desktop \
    -l /usr/lib/x86_64-linux-gnu/libwebkitgtk-3.0.so.0 \
    --custom-apprun AppRun.sh

# copy Pyfa's files (excluding some files)
mkdir AppDir/pyfa
rsync -a --exclude '*.AppImage' --exclude '*.git' "$REPO_ROOT"/ AppDir/pyfa/

# call linuxdeploy again to make AppImage
./linuxdeploy-x86_64.AppImage --appdir AppDir --output appimage

mv pyfa*.AppImage "$OLD_CWD"