73 lines
2.2 KiB
Rust
73 lines
2.2 KiB
Rust
use std::env;
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use std::fs::File;
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use std::io::Write;
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use std::path::{Path, PathBuf};
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use std::process::Command;
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fn main() {
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// This build script to generate Git version info is from the rustfmt project
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// Only check .git/HEAD dirty status if it exists - doing so when
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// building dependent crates may lead to false positives and rebuilds
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println!("cargo:rerun-if-changed=build.rs");
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if Path::new(".git/HEAD").exists() {
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println!("cargo:rerun-if-changed=.git/HEAD");
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}
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// Embed resource file w/ icon on windows
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// To allow for cross-compilation, this must not be behind cfg(windows)!
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println!("cargo:rerun-if-changed=assets/ruffle_desktop.rc");
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embed_resource::compile("assets/ruffle_desktop.rc");
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println!("cargo:rerun-if-env-changed=CFG_RELEASE_CHANNEL");
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if option_env!("CFG_RELEASE_CHANNEL").map_or(true, |c| c == "nightly" || c == "dev") {
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println!("cargo:rustc-cfg=nightly");
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}
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let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
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File::create(out_dir.join("version-info.txt"))
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.unwrap()
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.write_all(commit_info().as_bytes())
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.unwrap();
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}
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// Try to get hash and date of the last commit on a best effort basis. If anything goes wrong
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// (git not installed or if this is not a git repository) just return an empty string.
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fn commit_info() -> String {
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match (channel(), commit_hash(), commit_date()) {
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(channel, Some(hash), Some(date)) => format!(
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"{}-{} ({} {})",
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option_env!("CARGO_PKG_VERSION").unwrap_or("unknown"),
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channel,
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hash.trim_end(),
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date
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),
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_ => String::new(),
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}
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}
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fn channel() -> String {
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if let Ok(channel) = env::var("CFG_RELEASE_CHANNEL") {
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channel
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} else {
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"nightly".to_owned()
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}
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}
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fn commit_hash() -> Option<String> {
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Command::new("git")
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.args(&["rev-parse", "--short", "HEAD"])
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.output()
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.ok()
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.and_then(|r| String::from_utf8(r.stdout).ok())
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}
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fn commit_date() -> Option<String> {
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Command::new("git")
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.args(&["log", "-1", "--date=short", "--pretty=format:%cd"])
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.output()
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.ok()
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.and_then(|r| String::from_utf8(r.stdout).ok())
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}
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