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Clear $stdin before showing prompt #1141

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Clear $stdin before showing prompt #1141

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13 changes: 13 additions & 0 deletions lib/debug/console.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,7 @@ def readline_setup prompt
end

def readline prompt
clear_stdin
readline_setup prompt do
Reline.readmultiline(prompt, true){ true }
end
Expand Down Expand Up @@ -132,6 +133,7 @@ def readline_setup
end

def readline prompt
clear_stdin
readline_setup
Readline.readline(prompt, true)
end
Expand All @@ -142,6 +144,7 @@ def history

rescue LoadError
def readline prompt
clear_stdin
print prompt
$stdin.gets
end
Expand All @@ -152,6 +155,16 @@ def history
end
end

def clear_stdin
# consume all STDIN input just before prompt
loop do
case $stdin.read_nonblock(1024, exception: false)
when nil, :wait_readable
break
end
end
end

def history_file
path =
if !CONFIG[:history_file].empty? && File.exist?(File.expand_path(CONFIG[:history_file]))
Expand Down
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