taler-rust

commit e1d72e62dddcdd7455228d32833bb54564ac7c4b
parent 0f60fa4e8cb6a7e644a7c765b1789c735633d45a
Author: Antoine A <>
Date:   Fri,  9 Jan 2026 11:30:22 +0100

common: fix taler-build build.rs always running

Diffstat:
M
common/taler-build/build.rs
 | 
22
+++++++++++++++++-----
M
common/taler-test-utils/src/db.rs
 | 
3
+--

2 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/common/taler-build/build.rs b/common/taler-build/build.rs
@@ -1,6 +1,6 @@
 /*
   This file is part of TALER
-  Copyright (C) 2025 Taler Systems SA
+  Copyright (C) 2025, 2026 Taler Systems SA
 
   TALER is free software; you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free Software
@@ -35,10 +35,19 @@ fn run_command(command: &str, args: &[&str]) -> Result<String, String> {
 }
 
 fn main() -> Result<(), String> {
-    // Tell Cargo to re-run the build script if the commit hash changes
-    // This covers both detached HEAD state and changes to local branch references
-    println!("cargo:rerun-if-changed=.git/HEAD");
-    println!("cargo:rerun-if-changed=.git/refs/");
+    // Get project git dir
+    let git_dir = run_command("git", &["rev-parse", "--git-dir"])?;
+
+    // Watch HEAD
+    let head_path = format!("{git_dir}/HEAD");
+    println!("cargo:rerun-if-changed={head_path}");
+
+    // Watch HEAD ref
+    let head_content =
+        std::fs::read_to_string(head_path).map_err(|e| format!("Failed to read git HEAD: {e}"))?;
+    if let Some(ref_path) = head_content.strip_prefix("ref: ") {
+        println!("cargo:rerun-if-changed={git_dir}/{ref_path}");
+    }
 
     // Get the short commit hash
     let commit_hash = run_command("git", &["rev-parse", "--short", "HEAD"])?;
@@ -46,5 +55,8 @@ fn main() -> Result<(), String> {
     // Set the environment variable VERSION
     println!("cargo:rustc-env=GIT_HASH={}", commit_hash);
 
+    // Watch the build script also
+    println!("cargo:rerun-if-changed=build.rs");
+
     Ok(())
 }
diff --git a/common/taler-test-utils/src/db.rs b/common/taler-test-utils/src/db.rs
@@ -1,6 +1,6 @@
 /*
   This file is part of TALER
-  Copyright (C) 2025 Taler Systems SA
+  Copyright (C) 2025, 2026 Taler Systems SA
 
   TALER is free software; you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free Software
@@ -44,7 +44,6 @@ pub async fn db_test_setup(src: ConfigSource) -> PgPool {
 }
 
 pub async fn db_test_setup_manual(sql_dir: &Path, component_name: &str) -> PgPool {
-    println!("{sql_dir:?} {component_name}");
     setup_tracing();
     let cfg = test_db().await;
     let pool = pool(cfg, &component_name.replace("-", "_")).await.unwrap();