From 34d7b5d9deb93ee1c40f080166ce674c19560a2f Mon Sep 17 00:00:00 2001
From: steven-omaha <35634100+steven-omaha@users.noreply.github.com>
Date: Mon, 15 May 2023 15:58:57 +0200
Subject: [PATCH] fix: build when git not installed

When the git binary is not available, emit an empty git_hash
so that the build continues instead of aborting due to an
unset environment variable
---
 crates/pacdef_core/build.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/crates/pacdef_core/build.rs b/crates/pacdef_core/build.rs
index 33069fc..b8d6986 100644
--- a/crates/pacdef_core/build.rs
+++ b/crates/pacdef_core/build.rs
@@ -1,10 +1,13 @@
 use std::process::Command;
 
 fn main() {
-    let output = Command::new("git")
+    let git_hash = match Command::new("git")
         .args(["rev-parse", "--short", "HEAD"])
         .output()
-        .unwrap();
-    let git_hash = String::from_utf8(output.stdout).unwrap();
+    {
+        Ok(output) => String::from_utf8(output.stdout).expect("git output is utf-8"),
+        _ => String::new(),
+    };
+
     println!("cargo:rustc-env=GIT_HASH={git_hash}");
 }