feat: Add multiple CodeQL locations

Author: GeekMasher

src/action.rs

@@ -136,6 +136,33 @@ impl Action {
             .collect()
     }
 
+    pub fn get_codeql_dir(&self) -> Result<PathBuf> {
+        let paths = vec![
+            // Local CodeQL directory in the working directory
+            self.working_directory()?.join(".codeql"),
+            // Runner temp directory
+            std::env::var("RUNNER_TEMP")
+                .unwrap_or_else(|_| "/tmp".to_string())
+                .into(),
+        ];
+
+        for path in paths {
+            if !path.exists() {
+                log::debug!("Creating CodeQL directory at `{}`", path.display());
+                if std::fs::create_dir(&path).is_ok() {
+                    return Ok(path);
+                } else {
+                    log::warn!("Failed to create CodeQL directory at `{}`", path.display());
+                }
+            } else {
+                log::debug!("CodeQL directory already exists at `{}`", path.display());
+                return Ok(path);
+            }
+        }
+
+        Err(anyhow::anyhow!("Failed to create CodeQL directory",))
+    }
+
     pub fn validate_languages(&self, codeql_languages: &Vec<CodeQLLanguage>) -> Result<()> {
         for lang in self.languages() {
             let mut supported = false;

src/main.rs

@@ -23,8 +23,10 @@ async fn main() -> Result<()> {
     let cwd = action
         .working_directory()
         .context("Failed to get working directory")?;
-    let databases = cwd.join(".codeql");
-    let sarif_output = databases.join("results");
+    let codeql_dir = action.get_codeql_dir()?;
+
+    let databases = codeql_dir.join("databases");
+    let sarif_output = codeql_dir.join("results");
 
     group!("Setting up CodeQL");