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Use crate version when the build directory is not a git repository, for tag releases.

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This commit is contained in:
Antoine POPINEAU 2020-07-05 12:24:39 +02:00
parent b7c4ecb4cd
commit 82415d660c
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1 changed files with 7 additions and 3 deletions
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10
build.rs
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@ -1,13 +1,17 @@
use std::{env, error::Error, process::Command};
use std::{env, error::Error, path::Path, process::Command};
fn main() {
let version = get_version().unwrap_or_else(|_| String::from("unknown"));
let version = if Path::new(".git").exists() {
get_git_version().unwrap_or_else(|_| String::from("unknown"))
} else {
env!("CARGO_PKG_VERSION").to_string()
};
println!("cargo:rustc-env=VERSION={}", version);
println!("cargo:rustc-env=TARGET={}", env::var("TARGET").unwrap());
}
fn get_version() -> Result<String, Box<dyn Error>> {
fn get_git_version() -> Result<String, Box<dyn Error>> {
let tag = Command::new("git").args(&["describe", "--abbrev=0"]).output()?;
let tag = match tag.status.code() {
Some(0) => String::from_utf8(tag.stdout)?,