mirror of
https://github.com/martinvonz/jj.git
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9e027c0aa2
It works because a build command is line oriented, but it's technically wrong to include "\n" in git_hash.
66 lines
2 KiB
Rust
66 lines
2 KiB
Rust
// Copyright 2023 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::process::Command;
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use std::str;
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use cargo_metadata::MetadataCommand;
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fn main() -> std::io::Result<()> {
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let path = std::env::var("CARGO_MANIFEST_DIR").unwrap();
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let meta = MetadataCommand::new()
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.manifest_path("./Cargo.toml")
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.current_dir(&path)
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.exec()
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.unwrap();
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let root = meta.root_package().unwrap();
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let version = &root.version;
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if let Some(git_hash) = get_git_hash() {
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println!("cargo:rustc-env=JJ_VERSION={}-{}", version, git_hash);
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} else {
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println!("cargo:rustc-env=JJ_VERSION={}", version);
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}
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Ok(())
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}
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fn get_git_hash() -> Option<String> {
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if let Ok(output) = Command::new("jj")
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.args([
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"--ignore-working-copy",
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"--color=never",
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"log",
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"--no-graph",
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"-r=@-",
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"-T=commit_id",
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])
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.output()
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{
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if output.status.success() {
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println!("cargo:rerun-if-changed=.jj/repo/op_heads/heads/");
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return Some(String::from_utf8(output.stdout).unwrap());
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}
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}
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if let Ok(output) = Command::new("git").args(["rev-parse", "HEAD"]).output() {
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if output.status.success() {
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println!("cargo:rerun-if-changed=.git/HEAD");
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let line = str::from_utf8(&output.stdout).unwrap();
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return Some(line.trim_end().to_owned());
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}
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}
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None
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}
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