Added shell action

cuddle_cli/src/config.rs

@@ -0,0 +1,26 @@
+use envconfig::Envconfig;
+
+pub enum CuddleFetchPolicy {
+    Always,
+    Once,
+}
+
+#[derive(Envconfig, Clone)]
+pub struct CuddleConfig {
+    #[envconfig(from = "CUDDLE_FETCH_POLICY", default = "once")]
+    fetch_policy: String,
+}
+
+impl CuddleConfig {
+    pub fn from_env() -> anyhow::Result<Self> {
+        CuddleConfig::init_from_env().map_err(|e| anyhow::Error::from(e))
+    }
+
+    pub fn get_fetch_policy(&self) -> anyhow::Result<CuddleFetchPolicy> {
+        match self.fetch_policy.clone().to_lowercase().as_str() {
+            "always" => Ok(CuddleFetchPolicy::Always),
+            "once" => Ok(CuddleFetchPolicy::Once),
+            _ => Err(anyhow::anyhow!("could not parse fetch policy")),
+        }
+    }
+}