Inject GIT_VERSION even later

src/model/version.rs

@@ -1,23 +1,28 @@
 use std::sync::Arc;
 
-use arc_swap::ArcSwapOption;
+use arc_swap::{ArcSwap, ArcSwapOption};
 
 lazy_static::lazy_static! {
+	static ref VERSION: ArcSwap<&'static str> = ArcSwap::new(Arc::new(git_version::git_version!(
+		prefix = "git:",
+		cargo_prefix = "cargo:",
+		fallback = "unknown"
+	)));
 	static ref FEATURES: ArcSwapOption<&'static [&'static str]> = ArcSwapOption::new(None);
 }
 
 pub fn garage_version() -> &'static str {
-	option_env!("GIT_VERSION").unwrap_or(git_version::git_version!(
-		prefix = "git:",
-		cargo_prefix = "cargo:",
-		fallback = "unknown"
-	))
+	&VERSION.load()
 }
 
 pub fn garage_features() -> Option<&'static [&'static str]> {
 	FEATURES.load().as_ref().map(|f| &f[..])
 }
 
+pub fn init_version(version: &'static str) {
+	VERSION.store(Arc::new(version));
+}
+
 pub fn init_features(features: &'static [&'static str]) {
 	FEATURES.store(Some(Arc::new(features)));
 }