Inject git-pull-on-launch into Mindustry.app

inject-mindustry-mods

#!/bin/bash
set -e

MACOS_DIR="/Users/ping/Library/Application Support/Steam/steamapps/common/Mindustry/Mindustry.app/Contents/MacOS"
MODS_DIR="/Users/ping/Library/Application Support/Steam/steamapps/common/Mindustry/saves/mods"

if [ ! -d "$MODS_DIR/.git" ]; then
    git clone git@github.com:pingbird/mindustry-mods.git "$MODS_DIR"
fi

if file "$MACOS_DIR/Mindustry" | grep -q "shell script"; then
    echo "Already injected."
    exit 0
fi

cp "$MACOS_DIR/Mindustry" "$MACOS_DIR/Mindustry.bin"
cp "$MACOS_DIR/../Resources/Mindustry.json" "$MACOS_DIR/../Resources/Mindustry.bin.json"

cat > "$MACOS_DIR/Mindustry" << 'EOF'
#!/bin/bash
MODS_DIR="/Users/ping/Library/Application Support/Steam/steamapps/common/Mindustry/saves/mods"
if [ -d "$MODS_DIR/.git" ]; then
    git -C "$MODS_DIR" pull --ff-only 2>/dev/null
fi
exec "$(dirname "$0")/Mindustry.bin" "$@"
EOF

chmod +x "$MACOS_DIR/Mindustry"
echo "Injected."