Script to switch swap Cabal sandboxes for different versions of GHC.
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# swith out a cabal sandbox for one version of a compiler for another. | |
#!/bin/bash | |
set -e | |
if [ -z "$2" ]; then | |
echo usage: $0 ghc-version-from ghc-version-to | |
exit 1 | |
fi | |
CONFIG=cabal.sandbox.config | |
SANDBOX=.cabal-sandbox | |
FROMCONFIG=$CONFIG-$1 | |
FROMSANDBOX=$SANDBOX-$1 | |
TOCONFIG=$CONFIG-$2 | |
TOSANDBOX=$SANDBOX-$2 | |
if [ -e "$TOCONFIG" ]; then | |
if [ -d "$TOSANDBOX" ]; then | |
rm -rf dist | |
cp -r $SANDBOX $FROMSANDBOX | |
cp $CONFIG $FROMCONFIG | |
cp -r $TOSANDBOX $SANDBOX | |
cp $TOCONFIG $CONFIG | |
else | |
echo $TOSANDBOX | |
exit 1 | |
fi | |
else | |
echo $TOCONFIG or $TOSANDBOX do not exist | |
exit 1 | |
fi |
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