before_install.sh: update to match main repo

ci/travis/before_install.sh

@@ -1,69 +0,0 @@
-#!/usr/bin/env bash
-#
-# before_install.sh
-#
-# This file is meant to be sourced during the `before_install` phase of the
-# Travis build. Do not attempt to source or run it locally.
-#
-# shellcheck disable=SC1090
-. "${TRAVIS_BUILD_DIR}/ci/travis/helpers.sh"
-
-header 'Running before_install.sh...'
-
-# https://github.com/rvm/rvm/pull/3627
-run rvm get head
-
-# unset rvm hook functions
-run unset -f cd gem
-
-# print all travis-defined environment variables
-run 'env | sort'
-
-# see https://github.com/travis-ci/travis-ci/issues/2666
-run export BRANCH_COMMIT="${TRAVIS_COMMIT_RANGE##*.}"
-run export TARGET_COMMIT="${TRAVIS_COMMIT_RANGE%%.*}"
-# shellcheck disable=SC2016
-if ! run 'MERGE_BASE="$(git merge-base "${BRANCH_COMMIT}" "${TARGET_COMMIT}")"'; then
-  run git fetch --unshallow
-  run 'MERGE_BASE="$(git merge-base "${BRANCH_COMMIT}" "${TARGET_COMMIT}")"'
-fi
-run export MERGE_BASE="${MERGE_BASE}"
-run export TRAVIS_COMMIT_RANGE="${MERGE_BASE}...${BRANCH_COMMIT}"
-
-# print detailed macOS version info
-run sw_vers
-
-# capture system ruby and gem locations
-run export SYSTEM_RUBY_HOME="/System/Library/Frameworks/Ruby.framework/Versions/${HOMEBREW_RUBY%.*}"
-run export SYSTEM_RUBY_BINDIR="${SYSTEM_RUBY_HOME}/usr/bin"
-run export SYSTEM_GEM_HOME="${SYSTEM_RUBY_HOME}/usr/lib/ruby/gems/${HOMEBREW_RUBY}"
-run export SYSTEM_GEM_BINDIR="${SYSTEM_GEM_HOME}/bin"
-
-# capture user gem locations
-run export GEM_HOME="$HOME/.gem/ruby/${HOMEBREW_RUBY}"
-run export GEM_BINDIR="${GEM_HOME}/bin"
-
-# ensure that the gems we install are used before system gems
-run export GEM_PATH="${GEM_HOME}:${SYSTEM_GEM_HOME}"
-run export PATH="${GEM_BINDIR}:${SYSTEM_GEM_BINDIR}:${SYSTEM_RUBY_BINDIR}:$PATH"
-
-# ensure that brew uses the ruby we want it to
-run export HOMEBREW_RUBY_PATH="${SYSTEM_RUBY_BINDIR}/ruby"
-
-run which ruby
-run ruby --version
-
-run which gem
-run gem --version
-
-run brew update
-
-# ensure that we are the only brew-cask available
-run brew uninstall --force brew-cask
-
-# mirror the repo as a tap, then run the build from there
-run export CASK_TAP_DIR="/usr/local/Library/Taps/${TRAVIS_REPO_SLUG}"
-run mkdir -p "${CASK_TAP_DIR}"
-run rsync -az --delete "${TRAVIS_BUILD_DIR}/" "${CASK_TAP_DIR}/"
-run export TRAVIS_BUILD_DIR="${CASK_TAP_DIR}"
-run cd "${CASK_TAP_DIR}" || exit 1