issuerd-server 0.1.6

HTTP server bootstrap, middleware, TLS and OIDC endpoints for the Issuerd IAM server
Documentation 
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// SPDX-License-Identifier: Apache-2.0
// Copyright (C) 2026 Dmitry Andreev. <da@issuerd.org>
//
// Build script: detects the built web client and sets cfg flags.
//
// Candidate locations, first populated one wins:
//   - <crate>/webclient-dist    crate-local copy staged by scripts/publish.py,
//                               present in the packaged crates.io crate
//   - <repo>/webclientsrc/dist  development workspace layout

use std::path::{Path, PathBuf};

const DIST_MISSING: &str =
    "webclientsrc/dist is missing or empty; run `npm run build` in webclientsrc/ first";

fn populated(dir: &Path) -> bool {
    match std::fs::read_dir(dir) {
        Ok(mut entries) => entries.any(|e| e.is_ok()),
        Err(_) => false,
    }
}

fn main() {
    println!("cargo:rustc-check-cfg=cfg(webclient_present)");
    println!("cargo:rustc-check-cfg=cfg(coverage)");

    let manifest_dir = PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap());
    let candidates = [
        manifest_dir.join("webclient-dist"),
        manifest_dir.join("..").join("..").join("webclientsrc").join("dist"),
    ];

    if let Some(dist_path) = candidates.iter().find(|p| populated(p)) {
        println!("cargo:rerun-if-changed={}", dist_path.display());
        println!("cargo:rustc-env=ISSUERD_WEB_DIST={}", dist_path.display());
        println!("cargo:rustc-cfg=webclient_present");
        return;
    }

    println!("cargo:warning={DIST_MISSING}; the web UI will not be embedded");
    if std::env::var("PROFILE").as_deref() == Ok("release") {
        panic!("{DIST_MISSING}; release builds must embed the web UI");
    }
}