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P2 slice 1: one executable (D-22)

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The server and the viewer are libraries with run(prog, args), returning
Exit(code) instead of ending the process; ledger-mcp and ledger-gui are
one-line shims (the live books keep using them until the cutover).
wanderbooks dispatches dev-stdio and gui to them in-process; a mode must
come first and owns its flags. The gui feature (default) leaves the
viewer out of the server-only build, which just server-only builds,
clippies, tests, and checks for window libraries. The viewer's mutation
recipe is retired (owner, 2026-10-18); its two musts are tested
directly. Two review rounds; mutation on the diff (docs/testing.md).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01T3gXMVt7XJPi6ens1or9Dj
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swaitsandClaude Opus 5.5 committed 2026-10-18 12:27:48 -06:00
1 parent 18120727eb
commit cab6e8a334
12 files changed
+832 -378
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crates/ledger-gui/src/main.rs
+9 -76
View File
@@ -1,79 +1,12 @@
//! `ledger-gui [--data-dir PATH] [--books-toml PATH] [--vault-key-file PATH] [--today YYYY-MM-DD] [--demo]`
//!
//! Opens the books read-only and follows them live. With no flags it looks
//! for `books-data/` and `wanderbooks.toml` in the current directory.
//! `--demo` builds a demo company in a temp directory and opens that.
//! `ledger-gui`: the read-only, live viewer. The same viewer is
//! `wanderbooks gui`; both call [`ledger_gui::run`].
use ledger_gui::{App, Source};
use std::path::PathBuf;
fn main() -> eframe::Result<()> {
let mut data_dir: Option<PathBuf> = None;
let mut books_toml: Option<PathBuf> = None;
let mut today = None;
let mut demo = false;
let mut args = std::env::args().skip(1);
while let Some(a) = args.next() {
match a.as_str() {
"--data-dir" => data_dir = args.next().map(PathBuf::from),
"--books-toml" => books_toml = args.next().map(PathBuf::from),
"--vault-key-file" => {
if let Some(k) = args.next() {
ledger_gui::set_vault_key_file(PathBuf::from(k));
}
}
"--today" => today = args.next().and_then(|d| d.parse().ok()),
"--demo" => demo = true,
"-h" | "--help" => {
println!(
"usage: ledger-gui [--data-dir PATH] [--books-toml PATH] [--vault-key-file PATH] [--today YYYY-MM-DD] [--demo]"
);
return Ok(());
}
other => {
eprintln!("unknown argument {other}");
std::process::exit(2);
}
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
match ledger_gui::run("ledger-gui", std::env::args().skip(1)) {
Err(e) => match e.downcast_ref::<ledger_gui::Exit>() {
Some(exit) => std::process::exit(exit.0),
None => Err(e),
},
done => done,
}
if demo {
let d = today.unwrap_or_else(|| chrono::Local::now().date_naive());
let dir = std::env::temp_dir().join(format!("wanderbooks-demo-{d}"));
let _ = std::fs::remove_dir_all(&dir);
if let Err(e) = ledger_gui::demo::build(&dir, d) {
eprintln!("building the demo books failed: {e}");
std::process::exit(1);
}
eprintln!("demo books: {}", dir.display());
data_dir = Some(dir.join("books-data"));
books_toml = Some(dir.join("wanderbooks.toml"));
}
let data_dir = data_dir.unwrap_or_else(|| PathBuf::from("books-data"));
let books_toml = books_toml.or_else(|| {
let guess = data_dir
.parent()
.unwrap_or(&data_dir)
.join("wanderbooks.toml");
guess.exists().then_some(guess)
});
let source = Source {
data_dir,
books_toml,
today,
};
let options = eframe::NativeOptions {
viewport: egui::ViewportBuilder::default()
.with_title("wanderbooks")
.with_app_id("wanderbooks")
.with_inner_size([1440.0, 920.0])
// Small on purpose: tiling window managers hand out small slots
// regardless, and every screen lays itself out to fit.
.with_min_inner_size([360.0, 400.0]),
..Default::default()
};
eframe::run_native(
"wanderbooks",
options,
Box::new(move |cc| Ok(Box::new(App::new(cc, source)))),
)
}