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Add support for history with Reline backend

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Sutou Kouhei 2019-05-27 06:23:47 +09:00 • committed by aycabta
parent 2c91c5b329
commit 29c16b30ce
1 changed files with 6 additions and 4 deletions
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10
lib/irb/ext/save-history.rb
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@ -58,8 +58,6 @@ module IRB
end
module HistorySavingAbility # :nodoc:
include Readline
def HistorySavingAbility.extended(obj)
IRB.conf[:AT_EXIT].push proc{obj.save_history}
obj.load_history
@ -67,18 +65,22 @@ module IRB
end
def load_history
return unless self.class.const_defined?(:HISTORY)
history = self.class::HISTORY
if history_file = IRB.conf[:HISTORY_FILE]
history_file = File.expand_path(history_file)
end
history_file = IRB.rc_file("_history") unless history_file
if File.exist?(history_file)
open(history_file) do |f|
f.each {|l| HISTORY << l.chomp}
f.each {|l| history << l.chomp}
end
end
end
def save_history
return unless self.class.const_defined?(:HISTORY)
history = self.class::HISTORY
if num = IRB.conf[:SAVE_HISTORY] and (num = num.to_i) > 0
if history_file = IRB.conf[:HISTORY_FILE]
history_file = File.expand_path(history_file)
@ -96,7 +98,7 @@ module IRB
end
open(history_file, 'w', 0600 ) do |f|
hist = HISTORY.to_a
hist = history.to_a
f.puts(hist[-num..-1] || hist)
end
end