X-Git-Url: https://git.cyclocoop.org/?p=tool%2Fhledger.git;a=blobdiff_plain;f=script%2Fghc-pkg-reset;fp=script%2Fghc-pkg-reset;h=38707060ce4867b2d97edda03689a70b4257b6da;hp=0000000000000000000000000000000000000000;hb=707b0a621cd3c97d5d7e22e855272b3f865a2d56;hpb=30e9b83c521f5149836e1ef0b544676370721efe

diff --git a/script/ghc-pkg-reset b/script/ghc-pkg-reset
new file mode 100755
index 0000000..3870706
--- /dev/null
+++ b/script/ghc-pkg-reset
@@ -0,0 +1,12 @@
+#!/bin/sh -eux
+
+# DESCRIPTION: 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.
+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; \
+ )