Bundle and modify all the necessary files to allow printing via Gtk.PrintOperation in Xamarin.Mac

bundle-gtk-printing.sh

echo 'etc/fonts/fonts.conf etc/pango/pango.modules lib/gtk-2.0/2.10.0/engines/libclearlooks.so lib/gtk-2.0/2.10.0/engines/libmurrine.so lib/gtk-2.0/2.10.0/engines/libquartz.so lib/gtk-2.0/2.10.0/engines/libsvg.so lib/gtk-2.0/2.10.0/engines/libxamarin.so lib/gtk-2.0/2.10.0/printbackends/libprintbackend-cups.so lib/gtk-2.0/2.10.0/printbackends/libprintbackend-file.so lib/gtk-2.0/2.10.0/printbackends/libprintbackend-lpr.so lib/gtk-2.0/modules/libferret.so lib/gtk-2.0/modules/libgail.so lib/pango/1.8.0/modules/pango-arabic-lang.so lib/pango/1.8.0/modules/pango-arabic-lang.so.dSYM/Contents/Info.plist lib/pango/1.8.0/modules/pango-arabic-lang.so.dSYM/Contents/Resources/DWARF/pango-arabic-lang.so lib/pango/1.8.0/modules/pango-basic-coretext.so lib/pango/1.8.0/modules/pango-basic-coretext.so.dSYM/Contents/Info.plist lib/pango/1.8.0/modules/pango-basic-coretext.so.dSYM/Contents/Resources/DWARF/pango-basic-coretext.so lib/pango/1.8.0/modules/pango-indic-lang.so lib/pango/1.8.0/modules/pango-indic-lang.so.dSYM/Contents/Info.plist lib/pango/1.8.0/modules/pango-indic-lang.so.dSYM/Contents/Resources/DWARF/pango-indic-lang.so' | tr ' ' '\n' |  rsync -rlpt --files-from=/dev/stdin /Library/Frameworks/Mono.framework/Versions/Current/ "$1/Contents/MonoBundle/"

echo 'libatk-1.0.0.dylib libatksharpglue-2.so libcroco-0.6.3.dylib libffi.6.dylib libgailutil.18.dylib libgdk-quartz-2.0.0.dylib libgdk_pixbuf-2.0.0.dylib libgdksharpglue-2.so libgio-2.0.0.dylib libglibsharpglue-2.so libgmodule-2.0.0.dylib libgobject-2.0.0.dylib libgthread-2.0.0.dylib libgtk-quartz-2.0.0.dylib libgtksharpglue-2.so libpango-1.0.0.dylib libpangocairo-1.0.0.dylib libpangosharpglue-2.so librsvg-2.2.dylib libxml2.2.dylib' | tr ' ' '\n' | rsync -rlpt --files-from=/dev/stdin /Library/Frameworks/Mono.framework/Versions/Current/lib/ "$1/Contents/MonoBundle/"

sed -i '' 's:/Library/Frameworks/Mono.framework/Versions/3.12.1/:@executable_path/../MonoBundle/:' "$1/Contents/MonoBundle/etc/pango/pango.modules"

pushd "$1/Contents/MacOS"
NAME="`ls`"
mv -n "$NAME" "$NAME""-bin"

cat > "$NAME" << EOF
#!/bin/sh

name=\`basename "\$0"\`
macos=\$( cd \$( dirname \$0 ) && pwd )
contents=\`dirname "\$macos"\`
mono_bundle="\$contents/MonoBundle"

export FONTCONFIG_FILE="\$mono_bundle/etc/fonts/fonts.conf"
export PANGO_SYSCONFDIR="\$mono_bundle/etc"
export GTK_EXE_PREFIX="\$mono_bundle"
exec "\$contents/MacOS/\$name-bin" "\$@"
EOF

chmod +x "$NAME"

popd

sed -i '' 's/dll="libcairo-2.dll" target="libcairo.so.2"/dll="libcairo-2.dll" target="libcairo.2.dylib"/' "$1/Contents/MonoBundle/config"
cat >> "$1/Contents/MonoBundle/config" << EOF
	<dllmap dll="gdiplus" target="libgdiplus.dylib" os="!windows"/>
	<dllmap dll="gdiplus.dll" target="libgdiplus.dylib"  os="!windows"/>
	<dllmap dll="gdi32" target="libgdiplus.dylib" os="!windows"/>
	<dllmap dll="gdi32.dll" target="libgdiplus.dylib" os="!windows"/>
	<dllmap os="osx" dll="glibsharpglue-2" target="libglibsharpglue-2.so" />
	<dllmap os="osx" dll="gthread-2.0.0" target="libgthread-2.0.0.dylib" />
	<dllmap os="osx" dll="gthread-2.0" target="libgthread-2.0.dylib" />
	<dllmap os="osx" dll="glib-2.0.0" target="libglib-2.0.0.dylib" />
	<dllmap os="osx" dll="glib-2.0" target="libglib-2.0.dylib" />
	<dllmap os="osx" dll="glibsharpglue-2" target="libglibsharpglue-2.so" />
	<dllmap os="osx" dll="gtksharpglue-2" target="libgtksharpglue-2.so" />
	<dllmap os="osx" dll="gobject-2.0.0" target="libgobject-2.0.0.dylib" />
	<dllmap os="osx" dll="gobject-2.0" target="libgobject-2.0.dylib" />
	<dllmap os="osx" dll="gtk-quartz-2.0.0" target="libgtk-quartz-2.0.0.dylib" />
	<dllmap os="osx" dll="gtk-quartz-2.0" target="libgtk-quartz-2.0.dylib" />
EOF

sed -i '' -e '/\/configuration/ {N;H;d;}' -e '$ {p;x;s/\n//;}' "$1/Contents/MonoBundle/config"

find $1 -name "*.config" | while read FILE; do
  sed -i "" 's:/Library/Frameworks/Mono.framework/Versions/3.12.1/lib/::' "$FILE";
done

find $1 -name "*.dylib" -or -name "*.so" | while read FILE; do
  otool -L "$FILE" | 
  grep Mono\.framework |
  sed 's/\s*//' | sed 's/ .*//' | while read LIB; do
    install_name_tool -change "$LIB" '@executable_path/../MonoBundle/'"${LIB##*lib/}" "$FILE";
  done
done