Refactor with pipeline_w, it much helps for GH-825

.rubocop.yml

@@ -50,6 +50,9 @@ Style/QuotedSymbols:
 Style/MultilineInPatternThen:
   Enabled: true
 
+Layout:
+  Enabled: true
+
 Layout/TrailingEmptyLines:
   Enabled: true
 

pkgs/envs/envs.bash

@@ -1,14 +1 @@
-if [ $# -ge 1 ]; then
-	query="$1"
-	shift
-else
-	query=""
-fi
-
-# summarize() {
-# 	local -r env_name="$1"
-# 	local -r val="$env_name"
-# 	printf "%s=%.25s...\n" "$env_name" "$(echo "$val" | tr '\n' ' ')"
-# }
-
-ruby -w "$RUBY_SCRIPT_PATH" | fzf --delimiter '=' --nth '1' --query "$query"
+ruby -w "$RUBY_SCRIPT_PATH" "$@"

pkgs/envs/envs.rb

@@ -1,16 +1,17 @@
-# require 'open3'
+require 'open3'
 
 shortner = -> str {
   limit = 70
   length = str.size
   str.slice(...limit).gsub("\n", ' ') + (length > limit ? '...' : '')
 }
 
-puts(ENV.sort.map { |k, v| "#{k}=#{shortner.(v)}" })
+envs = ENV.sort.map { |k, v| "#{k}=#{shortner.(v)}" }
 
-# o, e, s = Open3.capture3("echo a; sort >&2", :stdin_data=>"foo\nbar\nbaz\n")
-# p o #=> "a\n"
-# p e #=> "bar\nbaz\nfoo\n"
-# p s #=> #<Process::Status: pid 32682 exit 0>
+fzf_query = ARGV.first
 
-# Open3.capture3("echo a; sort >&2", :stdin_data=>"foo\nbar\nbaz\n")
+Open3.pipeline_w(
+  %Q!fzf --delimiter '=' --nth '1' --query "#{fzf_query}"!
+) do |first_stdin, _wait_thrs|
+  first_stdin.puts envs
+end