Do not exit website if there is no data

.github/workflows/ci.yml

@@ -333,12 +333,12 @@ jobs:
       - name: Connect to PostgreSQL
         run: |
           timeout 5s ./target/debug/site 'postgresql://postgres:postgres@localhost:5432/postgres' 2>&1 | tee -a log || true
-          grep -Fxq "Loading complete but no data identified; exiting." log
+          grep -Fxq "Warning: loading complete but no data identified." log
 
       - name: Connect to SQLite
         run: |
           timeout 5s ./target/debug/site 2>&1 | tee -a log || true
-          grep -Fxq "Loading complete but no data identified; exiting." log
+          grep -Fxq "Warning: loading complete but no data identified." log
 
       - name: Build Postgres to SQLite exporter
         run: cargo build --bin postgres-to-sqlite

site/src/main.rs

@@ -42,8 +42,7 @@ async fn main() {
             let commits = res.index.load().commits().len();
             let artifacts = res.index.load().artifacts().count();
             if commits + artifacts == 0 {
-                eprintln!("Loading complete but no data identified; exiting.");
-                std::process::exit(1);
+                eprintln!("Warning: loading complete but no data identified.");
             }
             eprintln!("Loading complete; found {} artifacts", commits + artifacts);
             eprintln!(