forked from mirrors/jj
7f9a0a2820
I ran an upgraded Clippy on the codebase. All the changes seem to be about using variables directly in format strings instead of passing them as separate arguments.
102 lines
3.7 KiB
Rust
102 lines
3.7 KiB
Rust
// Copyright 2022 The Jujutsu Authors
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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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// https://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 std::collections::HashSet;
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use std::path::{Path, PathBuf};
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use std::process::exit;
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use clap::Parser;
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use itertools::Itertools;
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/// A fake diff-editor, useful for testing
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#[derive(Parser, Debug)]
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#[clap()]
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struct Args {
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/// Path to the "before" directory
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before: PathBuf,
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/// Path to the "after" directory
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after: PathBuf,
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}
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fn files_recursively(dir: &Path) -> HashSet<String> {
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let mut files = HashSet::new();
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for dir_entry in std::fs::read_dir(dir).unwrap() {
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let dir_entry = dir_entry.unwrap();
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let base_name = dir_entry.file_name().to_str().unwrap().to_string();
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if dir_entry.path().is_dir() {
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for sub_path in files_recursively(&dir_entry.path()) {
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files.insert(format!("{base_name}/{sub_path}"));
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}
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} else {
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files.insert(base_name);
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}
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}
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files
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}
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fn main() {
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let args: Args = Args::parse();
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let edit_script_path = PathBuf::from(std::env::var_os("DIFF_EDIT_SCRIPT").unwrap());
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let edit_script = String::from_utf8(std::fs::read(edit_script_path).unwrap()).unwrap();
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for instruction in edit_script.split('\0') {
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let (command, payload) = instruction.split_once('\n').unwrap_or((instruction, ""));
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let parts = command.split(' ').collect_vec();
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match parts.as_slice() {
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[""] => {}
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["fail"] => exit(1),
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["files-before", ..] => {
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let expected = parts[1..].iter().copied().map(str::to_string).collect();
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let actual = files_recursively(&args.before);
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if actual != expected {
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eprintln!(
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"fake-diff-editor: unexpected files before. EXPECTED: {:?} ACTUAL: {:?}",
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expected.iter().sorted().collect_vec(),
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actual.iter().sorted().collect_vec(),
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);
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exit(1)
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}
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}
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["files-after", ..] => {
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let expected = parts[1..].iter().copied().map(str::to_string).collect();
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let actual = files_recursively(&args.after);
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if actual != expected {
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eprintln!(
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"fake-diff-editor: unexpected files after. EXPECTED: {:?} ACTUAL: {:?}",
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expected.iter().sorted().collect_vec(),
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actual.iter().sorted().collect_vec(),
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);
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exit(1)
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}
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}
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["rm", file] => {
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std::fs::remove_file(args.after.join(file)).unwrap();
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}
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["reset", file] => {
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if args.before.join(file).exists() {
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std::fs::copy(args.before.join(file), args.after.join(file)).unwrap();
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} else {
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std::fs::remove_file(args.after.join(file)).unwrap();
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}
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}
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["write", file] => {
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std::fs::write(args.after.join(file), payload).unwrap();
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}
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_ => {
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eprintln!("fake-diff-editor: unexpected command: {command}");
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exit(1)
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}
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}
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}
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}
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