文件操作 - installation-report.preinst
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文件: /var/lib/dpkg/info/installation-report.preinst
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#!/bin/sh set -e # Remove a no-longer used conffile rm_conffile() { PKGNAME="$1" CONFFILE="$2" if [ -e "$CONFFILE" ]; then md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`" old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE'{s/ obsolete$//;s/.* //p}\"`" if [ "$md5sum" != "$old_md5sum" ]; then echo "Obsolete conffile $CONFFILE has been modified by you." echo "Saving as $CONFFILE.dpkg-bak ..." mv -f "$CONFFILE" "$CONFFILE".dpkg-bak else echo "Removing obsolete conffile $CONFFILE ..." rm -f "$CONFFILE" fi fi } case "$1" in install|upgrade) if dpkg --compare-versions "$2" le "2.32"; then rm_conffile installation-report "/etc/init.d/installation-report" fi esac
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