gtk-compile

#!/bin/bash

# based on http://wibblystuff.blogspot.ca/2012/06/building-binary-for-gtk3-theme.html

echo 'To use this script you must have the follwowing packages installed:
libgtk-3-dev
libglib2.0-dev
libgdk-pixbuf2.0-dev
libxml2-utils

run sudo apt install -y libgtk-3-dev libglib2.0-dev libgdk-pixbuf2.0-dev libxml2-utils to install them now'

read -p "Enter path to theme gtk-3.0 folder: " "path"

cd "$path"

read -p "Enter theme name: " "theme"

mkdir "$PWD.bak"
cp * -r "$PWD.bak"   # backup copy

cp gtk.css gtk-main.css

if [ -a gtk-dark.css ]; then
 cp gtk-dark.css gtk-dark-main.css
fi

file="$PWD/gtk.gresource.xml"
header='<?xml version="1.0" encoding="UTF-8"?>\n<gresources>\n<gresource prefix="/org/gnome/'
post='">'

echo -e "$header$theme$post" >> "$file"

# for D in *; do find "$D" -type d; done #list all firs, type f for files

sub_append() {

for F in *; do
 if [[ $F == *.css ]]; then
  echo "<file>$1/$F</file>" >> "$file"
 elif [[ $F == *.png ]]; then
  echo "<file preprocess='to-pixdata'>$1/$F</file>" >> "$file"
 fi
done

}
append() {
for F in *; do
 if [[ $F == *.css ]]; then
  echo "<file>$F</file>" >> "$file"
 elif [[ $F == *.png ]]; then
  echo "<file preprocess='to-pixdata'>$F</file>" >> "$file"
 fi
done
}

for D in *; do
 if [ -d "${D}" ]; then
  cd "${D}"
  echo "${D}"
  sub_append "${D}"
  cd ..
 fi
done

# current directory
append

echo -e "</gresource>\n</gresources>" >> "$file"

glib-compile-resources gtk.gresource.xml

printf '@import url("resource:///org/gnome/' >> gtk.css
printf "$theme" >> gtk.css
printf '/gtk-main.css");' >> gtk.css

if [ -a gtk-dark.css ]; then
 printf '@import url("resource:///org/gnome/' >> gtk-dark.css
 printf "$theme" >> gtk-dark.css
 printf '/gtk-dark-main.css");' >> gtk-dark.css
fi