bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv-cli/build.rs')
-rw-r--r--crates/proc-macro-srv-cli/build.rs48
1 files changed, 46 insertions, 2 deletions
diff --git a/crates/proc-macro-srv-cli/build.rs b/crates/proc-macro-srv-cli/build.rs
index 07f914fece..12e7c8b05b 100644
--- a/crates/proc-macro-srv-cli/build.rs
+++ b/crates/proc-macro-srv-cli/build.rs
@@ -1,5 +1,49 @@
-//! This teaches cargo about our cfg(rust_analyzer)
+//! Construct version in the `commit-hash date channel` format
+
+use std::{env, path::PathBuf, process::Command};
fn main() {
- println!("cargo:rustc-check-cfg=cfg(rust_analyzer)");
+ set_rerun();
+ set_commit_info();
+ println!("cargo::rustc-check-cfg=cfg(rust_analyzer)");
+}
+
+fn set_rerun() {
+ println!("cargo:rerun-if-env-changed=CFG_RELEASE");
+
+ let mut manifest_dir = PathBuf::from(
+ env::var("CARGO_MANIFEST_DIR").expect("`CARGO_MANIFEST_DIR` is always set by cargo."),
+ );
+
+ while manifest_dir.parent().is_some() {
+ let head_ref = manifest_dir.join(".git/HEAD");
+ if head_ref.exists() {
+ println!("cargo:rerun-if-changed={}", head_ref.display());
+ return;
+ }
+
+ manifest_dir.pop();
+ }
+
+ println!("cargo:warning=Could not find `.git/HEAD` from manifest dir!");
+}
+
+fn set_commit_info() {
+ #[allow(clippy::disallowed_methods)]
+ let output = match Command::new("git")
+ .arg("log")
+ .arg("-1")
+ .arg("--date=short")
+ .arg("--format=%H %h %cd")
+ .output()
+ {
+ Ok(output) if output.status.success() => output,
+ _ => return,
+ };
+ let stdout = String::from_utf8(output.stdout).unwrap();
+ let mut parts = stdout.split_whitespace();
+ let mut next = || parts.next().unwrap();
+ println!("cargo:rustc-env=RA_COMMIT_HASH={}", next());
+ println!("cargo:rustc-env=RA_COMMIT_SHORT_HASH={}", next());
+ println!("cargo:rustc-env=RA_COMMIT_DATE={}", next())
}