2 files changed, 18 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/versions.ts b/packages/taler-wallet-core/src/versions.ts
index 023cbb1ff..bf8a9f7c8 100644
--- a/packages/taler-wallet-core/src/versions.ts
+++ b/packages/taler-wallet-core/src/versions.ts
@@ -68,3 +68,19 @@ export const WALLET_CORE_API_IMPLEMENTATION_VERSION = "3:0:2";
  * If any interfaces have been removed or changed since the last public
  *     release, then set age to 0.
  */
+
+// Provided either by bundler or in the next lines.
+declare global {
+  const walletCoreBuildInfo: {
+    implementationSemver: string;
+    implementationGitHash: string;
+  };
+}
+
+// Provide walletCoreBuildInfo if the bundler does not override it.
+if (!("walletCoreBuildInfo" in globalThis)) {
+  (globalThis as any).walletCoreBuildInfo = {
+    implementationSemver: "unknown",
+    implementationGitHash: "unknown",
+  } satisfies typeof walletCoreBuildInfo;
+}
diff --git a/packages/taler-wallet-core/src/wallet.ts b/packages/taler-wallet-core/src/wallet.ts
index 831f72259..72e9750bc 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -1556,6 +1556,8 @@ async function dispatchRequestInternal<Op extends WalletApiOperation>(
 
 export function getVersion(ws: InternalWalletState): WalletCoreVersion {
   const result: WalletCoreVersion = {
+    implementationSemver: walletCoreBuildInfo.implementationSemver,
+    implementationGitHash: walletCoreBuildInfo.implementationGitHash,
     hash: undefined,
     version: WALLET_CORE_API_IMPLEMENTATION_VERSION,
     exchange: WALLET_EXCHANGE_PROTOCOL_VERSION,