Feature/linux x86 dont install if packages exist

scripts/gha/build_desktop.py

@@ -55,14 +55,31 @@ def append_line_to_file(path, line):
  with open(path, "a") as file:
  file.write("\n" + line + "\n")
 
+
 def install_x86_support_libraries():
  """Install support libraries needed to build x86 on x86_64 hosts."""
  if utils.is_linux_os():
+ packages = ('libglib2.0-dev:i386', 'libsecret-1-dev:i386')
+
+ # First check if these packages exist on the machine already
+ for package in packages:
+ devnull = open(os.devnull, "w")
+ retval = subprocess.call(["dpkg", "-s", package], stdout=devnull, stderr=subprocess.STDOUT)
+ devnull.close()
+ # if package is not installed, dpkg returns a value other than 0 and in this case,
+ # we get out of this loop and install those packages.
+ if retval != 0:
+ break
+ else:
+ # If the for loop iterated without breaking, all required packages are already installed.
+ # Nothing to do. Return from the function.
+ return
+
  utils.run_command(['apt', 'install', 'gcc-multilib', 'g++-multilib'], as_root=True)
  utils.run_command(['dpkg', '--add-architecture', 'i386'], as_root=True)
  utils.run_command(['apt', 'update'], as_root=True)
- utils.run_command(['apt', 'install', 'libglib2.0-dev:i386'], as_root=True)
- utils.run_command(['apt', 'install', 'libsecret-1-dev:i386'], as_root=True)
+ for package in packages:
+  utils.run_command(['apt', 'install', package], as_root=True)
 
 
 def _install_cpp_dependencies_with_vcpkg(arch, msvc_runtime_library):