feather/contrib/build-appimage.sh

#!/bin/bash

set -e
unset SOURCE_DATE_EPOCH

APPDIR="$PWD/feather.AppDir"
rm -rf $APPDIR
mkdir -p "$APPDIR"
mkdir -p "$APPDIR/usr/share/applications/"
mkdir -p "$APPDIR/usr/bin"
mkdir -p "$APPDIR/usr/lib"
mkdir -p "$APPDIR/usr/plugins"

cp "$PWD/../src/assets/feather.desktop" "$APPDIR/usr/share/applications/feather.desktop"
cp "$PWD/../src/assets/images/appicons/64x64.png" "$APPDIR/feather.png"
cp "$PWD/bin/feather" "$APPDIR/usr/bin/feather"
chmod +x "$APPDIR/usr/bin/feather"

export LD_LIBRARY_PATH=/usr/local/lib/x86_64-linux-gnu/:/usr/local/lib/$LD_LIBRARY_PATH
linuxdeployqt feather.AppDir/usr/share/applications/feather.desktop -bundle-non-qt-libs

pushd feather.AppDir/usr/plugins
ln -s ../lib/ gstreamer
popd

cp -r /usr/lib/x86_64-linux-gnu/gstreamer-1.0/* feather.AppDir/usr/plugins/gstreamer/
cp /usr/lib/x86_64-linux-gnu/gstreamer1.0/gstreamer-1.0/gst-plugin-scanner feather.AppDir/usr/plugins/gstreamer/

rm "$APPDIR/AppRun"
cp "$PWD/../contrib/AppImage/AppRun" "$APPDIR/"
chmod +x "$APPDIR/AppRun"

find feather.AppDir/ -exec touch -h -a -m -t 202101010100.00 {} \;

# Manually create AppImage (reproducibly)

# download runtime
wget -nc https://github.com/AppImage/AppImageKit/releases/download/13/runtime-x86_64
echo "328e0d745c5c6817048c27bc3e8314871703f8f47ffa81a37cb06cd95a94b323 runtime-x86_64" | sha256sum -c

mksquashfs feather.AppDir feather.squashfs -info -root-owned -no-xattrs -noappend -fstime 0
# mksquashfs writes a timestamp to the header
printf '\x00\x00\x00\x00' | dd conv=notrunc of=feather.squashfs bs=1 seek=$((0x8))

rm -f feather.AppImage
cat runtime-x86_64 >> feather.AppImage
cat feather.squashfs >> feather.AppImage
chmod a+x feather.AppImage