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Obtain a cabal.config frozen with debian package versions
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| #!/bin/sh | |
| set -e | |
| type grep-aptavail >/dev/null 2>&1 || { | |
| echo >&2 "grep-aptavail (dctrl-tools) needs to be installed"; | |
| exit 1; | |
| } | |
| . /etc/os-release | |
| echo "-- $PRETTY_NAME" | |
| echo "-- Created on $(date)" | |
| grep-aptavail -F Ghc-Package . -s Ghc-Package -n \ | |
| | sort \ | |
| | perl -ne 'BEGIN {print "constraints:\n"} /^(.*)-([0-9\.]*)-(.*)$/; print " $1 ==$2,\n"' \ | |
| | sed '$s/,$//' \ |
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Obviously, this should only work for debian based distros. I tested it only in debian jessie.