#!/usr/bin/env nu
# Derived variables for lian_build bundle rendering.
#
# - CONTEXT_SRC_DIRS: space-joined list for the siblings ctx_type branch in install.sh.tmpl
# - SECRETS_BASE: workspace root from LIAN_BUILD_WORKSPACE_ROOT env when available,
#   overrides the NCL value so secrets_base never needs to be hardcoded in build NCL files

def main [component_json: string]: nothing -> nothing {
    let d = ($component_json | from json)
    let dirs = ($d | get -o context_src_dirs | default [])

    let secrets_base = if "LIAN_BUILD_WORKSPACE_ROOT" in $env {
        $env.LIAN_BUILD_WORKSPACE_ROOT
    } else {
        $d | get -o secrets_base | default ""
    }

    {
        CONTEXT_SRC_DIRS: ($dirs | str join " "),
        SECRETS_BASE: $secrets_base,
    }
    | to json --raw
    | print
}