mirror of
https://github.com/jj-vcs/jj.git
synced 2025-12-23 06:01:01 +00:00
980ac17d36
This removes the dependencies on `true`, `false`, and `test` executables, which are often not available on Windows.
89 lines
3.1 KiB
Rust
89 lines
3.1 KiB
Rust
// Copyright 2025 The Jujutsu Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
use std::env;
|
|
use std::fs;
|
|
use std::path::PathBuf;
|
|
use std::process::exit;
|
|
|
|
use clap::Parser;
|
|
use itertools::Itertools as _;
|
|
|
|
/// A fake diff-editor, useful for testing
|
|
#[derive(Parser, Debug)]
|
|
#[clap()]
|
|
struct Args {
|
|
/// Fail if the given file doesn't exist
|
|
#[arg(long)]
|
|
require_file: Option<String>,
|
|
}
|
|
|
|
fn main() {
|
|
let args: Args = Args::parse();
|
|
let edit_script_path = PathBuf::from(env::var_os("BISECTION_SCRIPT").unwrap());
|
|
let commit_to_test = env::var_os("JJ_BISECT_TARGET")
|
|
.unwrap()
|
|
.to_str()
|
|
.unwrap()
|
|
.to_owned();
|
|
println!("fake-bisector testing commit {commit_to_test}");
|
|
let edit_script = fs::read_to_string(&edit_script_path).unwrap();
|
|
|
|
if let Some(path) = args.require_file
|
|
&& !std::fs::exists(&path).unwrap()
|
|
{
|
|
exit(1)
|
|
}
|
|
|
|
let mut instructions = edit_script.split('\0').collect_vec();
|
|
if let Some(pos) = instructions.iter().position(|&i| i == "next invocation\n") {
|
|
// Overwrite the edit script. The next time `fake-bisector` is called, it will
|
|
// only see the part after the `next invocation` command.
|
|
fs::write(&edit_script_path, instructions[pos + 1..].join("\0")).unwrap();
|
|
instructions.truncate(pos);
|
|
}
|
|
for instruction in instructions {
|
|
let (command, payload) = instruction.split_once('\n').unwrap_or((instruction, ""));
|
|
let parts = command.split(' ').collect_vec();
|
|
match parts.as_slice() {
|
|
[""] => {}
|
|
["abort"] => exit(127),
|
|
["skip"] => exit(125),
|
|
["fail"] => exit(1),
|
|
["fail-if-target-is", bad_target_commit] => {
|
|
if commit_to_test == *bad_target_commit {
|
|
exit(1)
|
|
}
|
|
}
|
|
["write", path] => {
|
|
fs::write(path, payload).unwrap_or_else(|_| panic!("Failed to write file {path}"));
|
|
}
|
|
["jj", args @ ..] => {
|
|
let jj_executable_path = PathBuf::from(env::var_os("JJ_EXECUTABLE_PATH").unwrap());
|
|
let status = std::process::Command::new(&jj_executable_path)
|
|
.args(args)
|
|
.status()
|
|
.unwrap();
|
|
if !status.success() {
|
|
eprintln!("fake-bisector: failed to run jj: {status:?}");
|
|
exit(1)
|
|
}
|
|
}
|
|
_ => {
|
|
eprintln!("fake-bisector: unexpected command: {command}");
|
|
exit(1)
|
|
}
|
|
}
|
|
}
|
|
}
|