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-rw-r--r--ghc.install10
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diff --git a/ghc.install b/ghc.install
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+pre_upgrade() {
+ echo '==> Unregistering cabalized packages...'
+ [[ -d /usr/share/haskell-ghc-8.2 ]] && find /usr/share/haskell-ghc-8.2 -maxdepth 2 -name 'unregister.sh' -exec {} \;
+ echo '==> Done.'
+}
+
+post_upgrade() {
+ echo '==> All cabalized packages need to be reinstalled now.'
+ echo '==> See /usr/share/haskell-ghc-8.2/ and ghc-pkg-8.2 list --user for a tentative list of affected packages.'
+}