Fix building for missing .git directory or Git tags

bbannier · Jul 2, 2024 · 25d0a86 · 25d0a86
1 parent df9e9b8
commit 25d0a86
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Showing 2 changed files with 12 additions and 7 deletions.
diff --git a/build.rs b/build.rs
@@ -2,10 +2,11 @@ use std::path::Path;
 
 fn main() {
     let is_git_repo = Path::new(".git").exists();
-    assert!(is_git_repo, "foo");
-    vergen::EmitBuilder::builder()
-        .idempotent()
-        .git_describe(true, true, None)
-        .emit()
-        .unwrap();
+    if is_git_repo {
+        vergen::EmitBuilder::builder()
+            .idempotent()
+            .git_describe(true, true, None)
+            .emit()
+            .unwrap();
+    }
 }
diff --git a/src/main.rs b/src/main.rs
@@ -8,7 +8,7 @@ use {
 };
 
 #[derive(Parser)]
-#[clap(version = option_env!("VERGEN_GIT_DESCRIBE"))]
+#[clap(version = version())]
 struct Args {
     #[clap(
         help = "input files to operate on",
@@ -108,3 +108,7 @@ fn main() -> Result<()> {
 
     Ok(())
 }
+
+fn version() -> &'static str {
+    option_env!("VERGEN_GIT_DESCRIBE").unwrap_or_else(|| env!("CARGO_PKG_VERSION"))
+}