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https://github.com/google/comprehensive-rust.git
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618d8fe4e9
Personally, I don’t always agree with Clippy, but it a very widely recommended tool for writing idiomatic Rust. So on balance, I think it’s overall a good idea to enable it for both our exercises and our tooling.
94 lines
3.0 KiB
Rust
94 lines
3.0 KiB
Rust
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use clap::Command;
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use mdbook::MDBook;
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use mdbook_course::course::Courses;
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use mdbook_course::markdown::duration;
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fn main() {
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pretty_env_logger::init();
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let app = Command::new("mdbook-course")
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.about("mdbook preprocessor for Comprehensive Rust")
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.subcommand(Command::new("sessions").about("Show session summary (default)"))
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.subcommand(Command::new("segments").about("Show segment summary"))
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.subcommand(Command::new("pr").about("Show summary for a PR"));
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let matches = app.get_matches();
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let root_dir = ".";
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let mdbook = MDBook::load(root_dir).expect("Unable to load the book");
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let (courses, _) = Courses::extract_structure(mdbook.book)
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.expect("Unable to extract course structure");
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match matches.subcommand() {
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Some(("session", _)) | None => session_summary(&courses),
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Some(("pr", _)) => pr_summary(&courses),
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_ => unreachable!(),
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}
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}
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fn timediff(actual: u64, target: u64, slop: u64) -> String {
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if actual > target + slop {
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format!(
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"{} (\u{23f0} *{} too long*)",
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duration(actual),
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duration(actual - target),
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)
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} else if actual + slop < target {
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format!("{}: ({} short)", duration(actual), duration(target - actual),)
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} else {
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duration(actual).to_string()
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}
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}
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fn session_summary(courses: &Courses) {
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for course in courses {
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if course.target_minutes() == 0 {
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return;
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}
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for session in course {
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println!("### {} // {}", course.name, session.name);
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println!(
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"_{}_",
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timediff(session.minutes(), session.target_minutes(), 15)
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);
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println!();
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for segment in session {
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println!("* {} - _{}_", segment.name, duration(segment.minutes()));
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}
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println!();
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}
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}
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}
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fn pr_summary(courses: &Courses) {
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println!("## Course Schedule");
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println!("With this pull request applied, the course schedule is as follows:");
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for course in courses {
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if course.target_minutes() == 0 {
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return;
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}
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println!("### {}", course.name);
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println!("_{}_", timediff(course.minutes(), course.target_minutes(), 15));
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for session in course {
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println!(
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"* {} - _{}_",
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session.name,
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timediff(session.minutes(), session.target_minutes(), 5)
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);
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}
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}
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}
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