Function parseGitHubRef

nix/flake/flakeref.go:256–301

(refURL *url.URL, parsed *Ref)

}

func parseGitHubRef(refURL *url.URL, parsed *Ref) error {
	// github:<owner>/<repo>(/<rev-or-ref>)?(\?<params>)?

	parsed.Type = TypeGitHub

	// Only split up to 3 times (owner, repo, ref/rev) so that we handle
	// refs that have slashes in them. For example,
	// "github:jetify-com/devbox/gcurtis/flakeref" parses as "gcurtis/flakeref".
	split, err := splitPathOrOpaque(refURL, 3)
	if err != nil {
		return err
	}
	parsed.Owner = split[0]
	parsed.Repo = split[1]
	if len(split) > 2 {
		if revOrRef := split[2]; isGitHash(revOrRef) {
			parsed.Rev = revOrRef
		} else {
			parsed.Ref = revOrRef
		}
	}

	parsed.Host = refURL.Query().Get("host")
	parsed.Dir = refURL.Query().Get("dir")
	if qRef := refURL.Query().Get("ref"); qRef != "" {
		if parsed.Rev != "" {
			return redact.Errorf("github flake reference has a ref and a rev")
		}
		if parsed.Ref != "" && qRef != parsed.Ref {
			return redact.Errorf("github flake reference has a ref in the path (%q) and a ref query parameter (%q)", parsed.Ref, qRef)
		}
		parsed.Ref = qRef
	}
	if qRev := refURL.Query().Get("rev"); qRev != "" {
		if parsed.Ref != "" {
			return redact.Errorf("github flake reference has a ref and a rev")
		}
		if parsed.Rev != "" && qRev != parsed.Rev {
			return redact.Errorf("github flake reference has a rev in the path (%q) and a rev query parameter (%q)", parsed.Rev, qRev)
		}
		parsed.Rev = qRev
	}
	parsed.Dir = refURL.Query().Get("dir")
	parsed.NARHash = refURL.Query().Get("narHash")
	return nil
}

// Locked reports whether r is locked. Locked flake references always resolve to
// the same content. For some flake types, determining if a Ref is locked