TUN-528: Move cloudflared into a separate repo

vendor/zombiezen.com/go/capnproto2/_travis/install.bash

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+must() {
+  echo "$@" 1>&2
+  "$@" || die "FAIL"
+}
+
+die() {
+  echo "$@" 1>&2
+  exit 1
+}
+
+if [[ -z "$USE_BAZEL" || "$USE_BAZEL" -eq "0" ]]; then
+  must go get -t ./...
+else
+  BAZEL_VERSION="${BAZEL_VERSION:-0.14.1}"
+  case "$TRAVIS_OS_NAME" in
+    linux)
+      BAZEL_INSTALLER_URL="https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh"
+      SEDI="sed -i"
+      ;;
+    osx)
+      BAZEL_INSTALLER_URL="https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-darwin-x86_64.sh"
+      SEDI="sed -i ''"
+      ;;
+    *)
+      die "unknown OS $TRAVIS_OS_NAME"
+      ;;
+  esac
+  must curl -fsSLo /tmp/bazel.sh "$BAZEL_INSTALLER_URL"
+  must chmod +x /tmp/bazel.sh
+  must /tmp/bazel.sh --user
+  rm -f /tmp/bazel.sh
+  if [[ ! -z "$TRAVIS_GO_VERSION" ]]; then
+    must $SEDI -e 's/^go_register_toolchains()/go_register_toolchains(go_version="host")/' WORKSPACE
+  fi
+  must "$HOME/bin/bazel" --bazelrc=_travis/bazelrc version
+  must "$HOME/bin/bazel" --bazelrc=_travis/bazelrc fetch //...
+fi