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Share gems between Ruby minor versions #502

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Share gems between Ruby minor versions #502

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6 changes: 6 additions & 0 deletions bin/exec-env
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,15 @@
current_script_path="${BASH_SOURCE[0]}"
ruby_plugin_dir="$(dirname "$(dirname "$current_script_path")")"

source "$ruby_plugin_dir/lib/utils.sh"

RUBYLIB=${RUBYLIB:-}
if [ "$RUBYLIB" = "" ]; then
export RUBYLIB="$ruby_plugin_dir/rubygems-plugin"
else
export RUBYLIB="$ruby_plugin_dir/rubygems-plugin:$RUBYLIB"
fi

if output=$(gem_user_dir); then
export GEM_HOME="$output"
fi
6 changes: 4 additions & 2 deletions bin/list-bin-paths
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@@ -1,4 +1,6 @@
#!/usr/bin/env bash

gem_version="${ASDF_INSTALL_VERSION%.*}.0"
echo "bin lib/ruby/gems/$gem_version/bin"
# shellcheck source=/dev/null
source "$(dirname "$0")/../lib/utils.sh"

echo "bin lib/ruby/gems/$(ruby_minor_version)/bin"
15 changes: 15 additions & 0 deletions lib/utils.sh
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Expand Up @@ -76,3 +76,18 @@ ruby_build_source_dir() {
ruby_build_path() {
echo "$(ruby_build_dir)/bin/ruby-build"
}

# Prevent ASDF from repeatedly invoking itself (e.g. via bin/exec-env)
# until the host machine runs out of memory
ruby_bypassing_asdf_callbacks() {
"$ASDF_INSTALL_PATH/bin/ruby" "$@"
}

ruby_minor_version() {
ruby_bypassing_asdf_callbacks -e 'puts RbConfig::CONFIG["ruby_version"]'
}

gem_user_dir() {
ruby_bypassing_asdf_callbacks -rrubygems -e 'puts Gem.user_dir'
}