old_contents: #!/usr/bin/env python3
  
  import glob
  import os
  import os.path
  import shutil
  import subprocess
  import sys
  
  command, meson_build_dir, meson_current_source_dir, meson_build_root, target, exclude, extra_env = sys.argv[
      1:8]
  
  cargo_target_dir = os.path.join(meson_build_dir, 'target')
  
  env = os.environ.copy()
  env['CARGO_TARGET_DIR'] = cargo_target_dir
  
  # FIXME: hack so cargo will find gst libs when building inside gst-build.
  # We should fetch this from meson deps instead of hardcoding the paths,
  # when Meson will generate -uninstalled.pc files, they all will be in
  # <meson_build_root>/meson-uninstalled/
  pkg_config_path = env.get('PKG_CONFIG_PATH', '').split(':')
  pkg_config_path.append(os.path.join(
      meson_build_root, 'subprojects', 'gstreamer', 'pkgconfig'))
  pkg_config_path.append(os.path.join(
      meson_build_root, 'subprojects', 'gst-plugins-base', 'pkgconfig'))
  env['PKG_CONFIG_PATH'] = ':'.join(pkg_config_path)
  
  if len(extra_env) > 0:
      for e in extra_env.split(','):
          k, v = e.split(':')
          env[k] = v
  
  if command == 'build':
      # cargo build
      ext = sys.argv[8]
      cargo_cmd = ['cargo', 'build', '--all-targets',
                   '--manifest-path', os.path.join(
                       meson_current_source_dir, 'Cargo.toml'),
                   '--workspace']
      if target == 'release':
          cargo_cmd.append('--release')
  elif command == 'test':
      # cargo test
      cargo_cmd = ['cargo', 'test', '--no-fail-fast', '--color=always', '--manifest-path',
                   os.path.join(meson_current_source_dir, 'Cargo.toml'),
                   '--workspace']
  else:
      print("Unknown command:", command)
      sys.exit(1)
  
  if len(exclude) > 0:
      for e in exclude.split(','):
          cargo_cmd.append('--exclude')
          cargo_cmd.append(e)
  
  try:
      subprocess.run(cargo_cmd, env=env, check=True)
  except subprocess.SubprocessError:
      sys.exit(1)
  
  if command == 'build':
      # Copy so files to build dir
      for f in glob.glob(os.path.join(cargo_target_dir, target, '*.' + ext)):
          shutil.copy(f, meson_build_dir)
  
new_contents: #!/usr/bin/env python3
  
  import glob
  import os
  import os.path
  import shutil
  import subprocess
  import sys
  
  command, meson_build_dir, meson_current_source_dir, meson_build_root, target, exclude, extra_env = sys.argv[
      1:8]
  
  cargo_target_dir = os.path.join(meson_build_dir, 'target')
  
  env = os.environ.copy()
  env['CARGO_TARGET_DIR'] = cargo_target_dir
  
  pkg_config_path = env.get('PKG_CONFIG_PATH', '').split(':')
  pkg_config_path.append(os.path.join(meson_build_root, 'meson-uninstalled'))
  env['PKG_CONFIG_PATH'] = ':'.join(pkg_config_path)
  
  if len(extra_env) > 0:
      for e in extra_env.split(','):
          k, v = e.split(':')
          env[k] = v
  
  if command == 'build':
      # cargo build
      ext = sys.argv[8]
      cargo_cmd = ['cargo', 'build', '--all-targets',
                   '--manifest-path', os.path.join(
                       meson_current_source_dir, 'Cargo.toml'),
                   '--workspace']
      if target == 'release':
          cargo_cmd.append('--release')
  elif command == 'test':
      # cargo test
      cargo_cmd = ['cargo', 'test', '--no-fail-fast', '--color=always', '--manifest-path',
                   os.path.join(meson_current_source_dir, 'Cargo.toml'),
                   '--workspace']
  else:
      print("Unknown command:", command)
      sys.exit(1)
  
  if len(exclude) > 0:
      for e in exclude.split(','):
          cargo_cmd.append('--exclude')
          cargo_cmd.append(e)
  
  try:
      subprocess.run(cargo_cmd, env=env, check=True)
  except subprocess.SubprocessError:
      sys.exit(1)
  
  if command == 'build':
      # Copy so files to build dir
      for f in glob.glob(os.path.join(cargo_target_dir, target, '*.' + ext)):
          shutil.copy(f, meson_build_dir)
  
subject: fix PKG_CONFIG_PATH