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2cb2357 Jun 4, 2017
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@evanphx @eileencodes @palkan
35 lines (29 sloc) 704 Bytes
require 'puma/plugin'
Puma::Plugin.create do
def start(launcher)
path = File.join("tmp", "restart.txt")
orig = nil
# If we can't write to the path, then just don't bother with this plugin
begin
File.write(path, "") unless File.exist?(path)
orig = File.stat(path).mtime
rescue SystemCallError
return
end
in_background do
while true
sleep 2
begin
mtime = File.stat(path).mtime
rescue SystemCallError
# If the file has disappeared, assume that means don't restart
else
if mtime > orig
launcher.restart
break
end
end
end
end
end
end