project(
  'ca-certs',
  version: '0.1.0',
  meson_version: '>=0.60.0',
)

cargo = find_program('cargo', required: true)
sh = find_program('sh', required: true)

# Track Rust inputs explicitly so Meson knows when the Cargo build output is stale.
tracked_rust_inputs = files(
  'Cargo.toml',
  'Cargo.lock',
  'src/main.rs',
)

tracked_install_paths = [
  join_paths(get_option('bindir'), 'ca-certs'),
  join_paths(get_option('datadir'), 'licenses', meson.project_name(), 'LICENSE'),
  join_paths(get_option('mandir'), 'man8', 'ca-certs.8'),
  join_paths(get_option('datadir'), 'bash-completion', 'completions', 'ca-certs'),
  join_paths(get_option('datadir'), 'fish', 'vendor_completions.d', 'ca-certs.fish'),
  join_paths(get_option('datadir'), 'zsh', 'site-functions', '_ca-certs'),
]

cargo_target_dir = meson.current_build_dir() / 'cargo-target'
ca_certs_bin_path = meson.current_build_dir() / 'ca-certs'

ca_certs_bin = custom_target(
  'ca-certs-bin',
  output: 'ca-certs',
  depend_files: tracked_rust_inputs,
  command: [
    sh, '-c',
    'set -eu; src="$1"; out="$2"; target_dir="$3"; cd "$src"; CARGO_TARGET_DIR="$target_dir" "$4" build --locked --release; cp "$target_dir/release/ca-certs" "$out"',
    'meson-cargo-build',
    meson.project_source_root(),
    ca_certs_bin_path,
    cargo_target_dir,
    cargo,
  ],
  build_by_default: true,
  console: true,
  install: true,
  install_dir: get_option('bindir'),
)

meson.add_install_script(
  sh,
  files('scripts/install-generated-docs.sh'),
  ca_certs_bin_path,
  get_option('mandir'),
  get_option('datadir'),
)

summary(
  {
    'tracked rust inputs': tracked_rust_inputs.length(),
    'generated docs on install': true,
    'tracked install paths': '\n  ' + '\n  '.join(tracked_install_paths),
  },
  section: 'Packaging',
)