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zsh version of cabal workaround

gatoatigrado3 Jan 10th, 2012 51 Never
  1. function cabal() (
  2.   if [ "$1" = "install" ]; then
  3.     out=$(command cabal --dry-run -v2 "$@" 2>&1)
  4.     if echo "$out" | egrep -c '\((reinstall|new version)\)' >/dev/null; then
  5.       echo "$out"
  6.       echo "
  7. [NOTE] To proceed with installation, possibly breaking packages above, run
  8. [NOTE]     > command cabal $*"
  9.       return 1
  10.     fi
  11.   fi
  12.   command cabal "$@"
  13. )
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