# xceadmin (admin-config-tool): Python package, no C compilation.
#
# Unlike every other subdir here, there is no single build artifact for
# meson/ninja to track -- `pip install` produces a multi-file venv tree.
# custom_target()'s output is a stamp file representing "install +
# test succeeded", following the same pattern used to wrap non-native
# build systems (cargo, npm, etc.) inside meson elsewhere in the
# ecosystem. The real work happens in meson-build.sh, out-of-tree in
# this subdir's own build directory -- never writing into the live
# source checkout, unlike xce-build.sh's separate editable-install
# fast dev-loop path (`xce-build.sh xceadmin`, still available
# standalone, but no longer xce-build.sh's OWN xceadmin implementation
# -- see tools/xce-build.sh, which now just calls this same target).

# Resolved once via meson's own dependency machinery (same pattern as
# find_program('go')/capnp/packcc elsewhere in this build, printed as
# "Program python3 found: YES (/nix/store/...)" at `meson setup` time) and
# threaded explicitly into both scripts below -- NOT left to each script's
# own `python3 -m venv`/`command -v python3` PATH lookup at run time. A bare
# PATH lookup would happen to match nix's python3 when invoked correctly
# (inside `nix develop` / a nix build sandbox), but nothing would catch a
# stray non-nix system python3 shadowing it earlier on PATH -- pinning the
# exact interpreter meson already found makes that impossible, not just
# unlikely.
python3_prog = import('python').find_installation('python3')

xceadmin_stamp = custom_target('xceadmin',
  output: 'xceadmin-build.stamp',
  # No meaningful per-file `input:` list: meson-build.sh copies the whole
  # subdir tree regardless, so tracking a subset of .py files would only
  # give false confidence about staleness detection. build_always_stale
  # instead matches this project's existing convention (every
  # xce-build.sh component does `rm -rf "$BUILD_DIR"` and rebuilds clean
  # on every invocation) rather than relying on ninja's file-mtime cache.
  command: [
    find_program('bash'),
    meson.current_source_dir() / 'meson-build.sh',
    meson.current_source_dir(),
    meson.current_build_dir(),
    meson.current_source_dir() / '..' / '..',  # repo root (contains ha/, src/)
    python3_prog.full_path(),
    '@OUTPUT@',
  ],
  build_by_default: true,
  build_always_stale: true,
  console: true,
)

# Installs a standalone $out/bin/xceadmin -- runs after xceadmin_stamp
# (ninja install always depends on build_by_default targets first) so the
# build-dir venv it copies from already exists. See meson-install.sh for
# why this isn't a plain `cp` of that venv.
meson.add_install_script('meson-install.sh', python3_prog.full_path())