feat: update with ssh agent support

Signed-off-by: kjuulh <contact@kjuulh.io>

.drone.yml

@@ -26,6 +26,7 @@ steps:
       - name: dockersock
         path: /var/run
     commands:
+      - ssh-add
       - cuddle x build_cuddle_image
     environment:
       DOCKER_BUILDKIT: 1

cuddle_cli/src/context.rs

@@ -121,12 +121,16 @@ fn pull_parent_cuddle_into_local(
 ) -> anyhow::Result<()> {
     let mut rc = RemoteCallbacks::new();
     rc.credentials(|_url, username_from_url, _allowed_types| {
-        git2::Cred::ssh_key(
-            username_from_url.unwrap(),
-            None,
-            Path::new(&format!("{}/.ssh/id_ed25519", env::var("HOME").unwrap())),
-            None,
-        )
+        if "true".to_string() == std::env::var("CUDDLE_SSH_AGENT").ok().unwrap_or("".into()) {
+            git2::Cred::ssh_key_from_agent(username_from_url.unwrap())
+        } else {
+            git2::Cred::ssh_key(
+                username_from_url.unwrap(),
+                None,
+                Path::new(&format!("{}/.ssh/id_ed25519", env::var("HOME").unwrap())),
+                None,
+            )
+        }
     });
 
     let mut fo = FetchOptions::new();

templates/build_cuddle_image.Dockerfile

@@ -21,6 +21,7 @@ RUN cargo install --target x86_64-unknown-linux-musl --path cuddle_cli
 FROM docker:dind
 
 RUN apk add bash git
+RUN eval `ssh-agent`
 
 COPY --from=1password/op:2 /usr/local/bin/op /usr/local/bin/op