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// Copyright 2023 Google LLC
//
// 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
//
// http://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 anyhow::anyhow;
use clap::Parser as _;
use file_header::{
add_headers_recursively, check_headers_recursively,
license::spdx::{YearCopyrightOwnerValue, APACHE_2_0},
};
use globset::{Glob, GlobSet, GlobSetBuilder};
use std::{env, path::PathBuf};
fn main() -> anyhow::Result<()> {
let rust_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR")?);
let ignore_globset = ignore_globset()?;
// Note: when adding headers, there is a bug where the line spacing is off for Apache 2.0 (see https://github.com/spdx/license-list-XML/issues/2127)
let header = APACHE_2_0.build_header(YearCopyrightOwnerValue::new(2023, "Google LLC".into()));
let cli = Cli::parse();
match cli.subcommand {
Subcommand::CheckAll => {
let result =
check_headers_recursively(&rust_dir, |p| !ignore_globset.is_match(p), header, 4)?;
if result.has_failure() {
return Err(anyhow!(
"The following files do not have headers: {result:?}"
));
}
}
Subcommand::AddAll => {
let files_with_new_header =
add_headers_recursively(&rust_dir, |p| !ignore_globset.is_match(p), header)?;
files_with_new_header
.iter()
.for_each(|path| println!("Added header to: {path:?}"));
}
}
Ok(())
}
fn ignore_globset() -> anyhow::Result<GlobSet> {
Ok(GlobSetBuilder::new()
.add(Glob::new("**/.idea/**")?)
.add(Glob::new("**/target/**")?)
.add(Glob::new("**/.gitignore")?)
.add(Glob::new("**/CHANGELOG.md")?)
.add(Glob::new("**/Cargo.lock")?)
.add(Glob::new("**/Cargo.toml")?)
.add(Glob::new("**/README.md")?)
.add(Glob::new("*.bin")?)
.build()?)
}
#[derive(clap::Parser)]
struct Cli {
#[clap(subcommand)]
subcommand: Subcommand,
}
#[derive(clap::Subcommand, Debug, Clone)]
enum Subcommand {
/// Checks if a license is present in files that are not in the ignore list.
CheckAll,
/// Adds a license as needed to files that are not in the ignore list.
AddAll,
}
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