IsSHA returns true if the given ref is a git sha.

NewFetchCache creates a default fetch cache.

NewFileBrowserFromGitClient creates a new file browser from an Scm client.

NewFileBrowsers creates a new file browsers service for the lighthouse git server URL and file browser if the current server URL is not github.com then creates a second file browser so that we can use the uses: Git URI syntax for accessing github resources as well as to access the lighthouse git server too.

GitHub the name used in a Uses Git URI to reference a git server.

GitHubURL the github server URL.

Lighthouse the name used in a Uses Git URI to reference the git server lighthouse is configured to run against.

FileBrowsers contains the file browsers for the supported git servers.

FetchCache whether or not we should fetch the given repo ref we only need to fetch a given repo ref once per webhook request.

Interface an interface to represent browsing files in a repository.