23 lines
381 B
Plaintext
23 lines
381 B
Plaintext
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#!/bin/sh
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USAGE="Usage: $0 dep old new"
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if [ $# -ne 3 ]; then
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echo "$USAGE"
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exit 1
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fi
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CABALFILE=*.cabal
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if [ $(ls $CABALFILE | wc -l) -ne 1 ]; then
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echo "There needs to be one .cabal file in the current dir!"
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exit 1
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fi
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if ! grep -q "$1.*$2" $CABALFILE; then
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echo "$CABALFILE does not match: $1 $2"
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exit 1
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fi
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sed -i.$1 -e "s/\($1.*\)$2/\1$3/g" $CABALFILE
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