Maxim Belkin a6d29894d9 cleanup: fix and reuse portable ruby logic.
Align the logic in `cleanup_portable_ruby` with that in `ruby.sh`.

Co-authored-by: Maxim Belkin <maxim.belkin@gmail.com>
Co-authored-by: Mike McQuaid <mike@mikemcquaid.com>
2020-09-03 09:43:41 +01:00

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export HOMEBREW_REQUIRED_RUBY_VERSION=2.6.3
test_ruby () {
if [[ ! -x $1 ]]
then
return 1
fi
"$1" --enable-frozen-string-literal --disable=gems,did_you_mean,rubyopt \
"$HOMEBREW_LIBRARY/Homebrew/utils/ruby_check_version_script.rb" \
"$HOMEBREW_REQUIRED_RUBY_VERSION" 2>/dev/null
}
find_ruby() {
if [[ -n "$HOMEBREW_MACOS" ]]
then
echo "/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby"
else
IFS=$'\n' # Do word splitting on new lines only
for ruby_exec in $(which -a ruby) $(PATH=$HOMEBREW_PATH which -a ruby)
do
if test_ruby "$ruby_exec"; then
echo "$ruby_exec"
break
fi
done
IFS=$' \t\n' # Restore IFS to its default value
fi
}
unusable_ruby() {
if [[ -n "$HOMEBREW_MACOS_SYSTEM_RUBY_NEW_ENOUGH" ]]
then
return 1
elif [[ -n "$HOMEBREW_RUBY_PATH" && -z "$HOMEBREW_FORCE_VENDOR_RUBY" ]] && test_ruby "$HOMEBREW_RUBY_PATH"
then
return 1
else
return 0
fi
}
setup-ruby-path() {
local vendor_dir
local vendor_ruby_root
local vendor_ruby_path
local vendor_ruby_terminfo
local vendor_ruby_latest_version
local vendor_ruby_current_version
# When bumping check if HOMEBREW_MACOS_SYSTEM_RUBY_NEW_ENOUGH (in brew.sh)
# also needs to be changed.
local ruby_exec
local upgrade_fail
local install_fail
if [[ -n $HOMEBREW_MACOS ]]
then
upgrade_fail="Failed to upgrade Homebrew Portable Ruby!"
install_fail="Failed to install Homebrew Portable Ruby (and your system version is too old)!"
else
local advice="
If there's no Homebrew Portable Ruby available for your processor:
- install Ruby $HOMEBREW_REQUIRED_RUBY_VERSION with your system package manager (or rbenv/ruby-build)
- make it first in your PATH
- try again
"
upgrade_fail="Failed to upgrade Homebrew Portable Ruby!$advice"
install_fail="Failed to install Homebrew Portable Ruby and cannot find another Ruby $HOMEBREW_REQUIRED_RUBY_VERSION!$advice"
fi
vendor_dir="$HOMEBREW_LIBRARY/Homebrew/vendor"
vendor_ruby_root="$vendor_dir/portable-ruby/current"
vendor_ruby_path="$vendor_ruby_root/bin/ruby"
vendor_ruby_terminfo="$vendor_ruby_root/share/terminfo"
vendor_ruby_latest_version=$(<"$vendor_dir/portable-ruby-version")
vendor_ruby_current_version=$(readlink "$vendor_ruby_root")
unset HOMEBREW_RUBY_PATH
if [[ "$HOMEBREW_COMMAND" == "vendor-install" ]]
then
return 0
fi
if [[ -x "$vendor_ruby_path" ]]
then
HOMEBREW_RUBY_PATH="$vendor_ruby_path"
TERMINFO_DIRS="$vendor_ruby_terminfo"
if [[ $vendor_ruby_current_version != "$vendor_ruby_latest_version" ]]
then
brew vendor-install ruby || odie "$upgrade_fail"
fi
else
HOMEBREW_RUBY_PATH=$(find_ruby)
if [[ -z "$HOMEBREW_RUBY_PATH" || -n "$HOMEBREW_FORCE_VENDOR_RUBY" ]] || unusable_ruby
then
brew vendor-install ruby || odie "$install_fail"
HOMEBREW_RUBY_PATH="$vendor_ruby_path"
TERMINFO_DIRS="$vendor_ruby_terminfo"
fi
fi
export HOMEBREW_RUBY_PATH
[[ -n "$HOMEBREW_LINUX" && -n "$TERMINFO_DIRS" ]] && export TERMINFO_DIRS
}