Add commit hash to version info, if present (#957)

* Add commit hash to version info, if present

* Rename GIT_HASH to indicate that it includes version, fix linter error

* Add whitespace after use statement

Co-authored-by: Ivan Tham <pickfire@riseup.net>

Co-authored-by: Ivan Tham <pickfire@riseup.net>

1 files changed, 12 insertions, 0 deletions

diff --git a/helix-term/build.rs b/helix-term/build.rs
new file mode 100644
index 00000000..61ffa6f4
--- /dev/null
+++ b/helix-term/build.rs
@@ -0,0 +1,12 @@
+use std::process::Command;
+
+fn main() {
+    let git_hash = Command::new("git")
+        .args(&["describe", "--dirty"])
+        .output()
+        .map(|x| String::from_utf8(x.stdout).ok())
+        .ok()
+        .flatten()
+        .unwrap_or_else(|| String::from(env!("CARGO_PKG_VERSION")));
+    println!("cargo:rustc-env=VERSION_AND_GIT_HASH={}", git_hash);
+}