GetEC2Hostname returns the public host name from the metadata endpoint if it's an EC2 instance.

GetEC2InstanceID returns the instance ID from the metadata endpoint if it's an EC2 instance.

IsGitVersionMinimumForScalar checks if the installed Git version is later than the specified version.

KillSpawnedProcs kills processes that descend from the agent and waits for them to terminate.

S3DefaultURL returns the S3 URL for the given bucket containing the object key.

S3PathURL returns the path-style S3 URL for the given bucket containing the object key.

S3VirtualHostedURL returns the virtual hosted-style S3 URL for the given bucket containing the object key.

TrackProcess is a noop by default if we don't need to do any special bookkeeping up-front.

DynamicExpansions wraps expansions for safe concurrent access as they are dynamically updated.