kmx.io/dart_sass/priv/dart_sass.ksh

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• Hash : 53749636
  Author : Thomas de Grivel
  Date : 2022-04-02T18:55:44
  

  ksh
  

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• priv/dart_sass.ksh

• #!/bin/ksh
  
  # This script was taken from the Elixir Port guide. It is used to ensure
  # graceful termination of the `sass` process when it detects that stdin
  # has been closed.
  # Link: https://hexdocs.pm/elixir/Port.html#module-zombie-operating-system-processes
  #
  # This script is required until dart-sass supports listening on stdin and
  # gracefully terminating when stdin is closed. There is currently a PR for
  # this behaviour: https://github.com/sass/dart-sass/pull/1411
  #
  # Start the program in the background
  exec "$@" &
  pid1=$!
  
  # Silence warnings from here on
  exec >/dev/null 2>&1
  
  # Read from stdin in the background and
  # kill running program when stdin closes
  exec 0<&0 $(
    while read; do :; done
    kill -KILL $pid1
  ) &
  pid2=$!
  
  # Clean up
  wait $pid1
  ret=$?
  kill -KILL $pid2
  exit $ret
  

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