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- # unregister broken GHC packages. Run this a few times to resolve dependency rot in installed packages.
- # ghc-pkg-clean -f cabal/dev/packages*.conf also works.
- function ghc-pkg-clean() {
- for p in `ghc-pkg check $* 2>&1 | grep problems | awk '{print $6}' | sed -e 's/:$//'`
- do
- echo unregistering $p; ghc-pkg $* unregister $p
- done
- }
- # remove all installed GHC/cabal packages, leaving ~/.cabal binaries and docs in place.
- # When all else fails, use this to get out of dependency hell and start over.
- function ghc-pkg-reset() {
- read -p 'erasing all your user ghc and cabal packages - are you sure (y/n) ? ' ans
- test x$ans == xy && ( \
- echo 'erasing directories under ~/.ghc'; rm -rf `find ~/.ghc -maxdepth 1 -type d`; \
- echo 'erasing ~/.cabal/lib'; rm -rf ~/.cabal/lib; \
- # echo 'erasing ~/.cabal/packages'; rm -rf ~/.cabal/packages; \
- # echo 'erasing ~/.cabal/share'; rm -rf ~/.cabal/share; \
- )
- }
- alias cabalupgrades="cabal list --installed | egrep -iv '(synopsis|homepage|license)'"
- ghc-pkg-clean
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