Use --force-overwrite for creating databases

CHANGELOG.md

@@ -6,7 +6,7 @@ Note that the only difference between `v2` and `v3` of the CodeQL Action is the
 
 ## [UNRELEASED]
 
-No user facing changes.
+- Avoid failing database creation if the database folder already exists and contains some unexpected files. [#2330](https://github.com/github/codeql-action/pull/2330)
 
 ## 3.25.8 - 04 Jun 2024
 

src/codeql.ts

@@ -612,12 +612,19 @@ export async function getCodeQLForCmd(
         extraArgs.push("--no-sublanguage-file-coverage");
       }
 
+      const overwriteFlag = isSupportedToolsFeature(
+        await this.getVersion(),
+        ToolsFeature.ForceOverwrite,
+      )
+        ? "--force-overwrite"
+        : "--overwrite";
+
       await runTool(
         cmd,
         [
           "database",
           "init",
-          "--overwrite",
+          overwriteFlag,
           "--db-cluster",
           config.dbLocation,
           `--source-root=${sourceRoot}`,

src/tools-features.ts

@@ -8,6 +8,7 @@ export enum ToolsFeature {
   SetsCodeqlRunnerEnvVar = "setsCodeqlRunnerEnvVar",
   TraceCommandUseBuildMode = "traceCommandUseBuildMode",
   SarifMergeRunsFromEqualCategory = "sarifMergeRunsFromEqualCategory",
+  ForceOverwrite = "forceOverwrite",
 }
 
 /**