98 lines
2.6 KiB
Bash
Executable File
98 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# $Id: prtrej,v 1.4 2023/12/21 01:30:00 jmq Exp $
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# (c) 2002 by Markus Ackermann <maol@symlink.ch>
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# (c) 2003,2004 by Martin Opel <mo@obbl-net.de>
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# (c) 2023 by John McQuah
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#
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# may be redistributed and modified under the terms of the GPL
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# only usable with CRUX Linux, version 0.9.2 or higher
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#
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# USE AT YOUR OWN RISK
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#
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# Interactive tool to ask user what he/she wants to do with a rejected file
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# in /var/lib/pkg/rejected
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# Requires opt/dialog to be installed
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# All identical files are removed without a user's interaction
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# TODO: respect SYSROOT?
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TMP=/tmp/rejdiff
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REJ=/var/lib/pkg/rejected
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cleanup() {
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echo "Removed $count unneeded files"
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rm -f $TMP
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}
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interrupted() {
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echo "Interrupted..."
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cleanup
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exit 1
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}
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trap "interrupted" SIGHUP SIGINT SIGQUIT SIGTERM
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count=0
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if [ ! -d "$REJ" ]; then
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echo "$REJ not found. Exiting"
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exit 1
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fi
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mapfile -t REJECTS < <(find $REJ -type f)
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# Why not loop over the output of find?
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# bash splits on whitespace, so by putting the newline-separated results
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# of find into an array, we can use double-quotes to ensure any file with
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# space in its name is not misinterpreted as multiple files.
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# Redefining IFS is another option, but prone to unwanted side-effects.
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for reject in "${REJECTS[@]}"; do
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real="/${reject#*rejected/}"
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#
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# Insert a test to ensure that diff is given two valid args.
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#
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# Nonexistent $real suggests that $reject is no longer needed.
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# Forgot to merge it, and then later uninstalled the package, perhaps?
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# If this circumstance is common and $REJ becomes cluttered too easily,
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# then someone might ask for another side-effect of prt-get remove.
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# This cleanup could be incorporated directly into pkgrm, but until that
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# happens we might as well do the cleanup here.
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#
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if [ ! -e "$real" ] || cmp -s "$real" "$reject"; then
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rm "$reject"
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count=$(( count + 1 ))
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else
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diff -u "$real" "$reject" &> $TMP
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ACTION=$(dialog --no-shadow --stdout \
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--title "diff $real $reject" \
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--textbox $TMP -1 -1 \
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--menu "Make your selection:" 11 50 4 \
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KEEP "Keep existing file." \
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INST "Overwrite with file from package." \
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EXIT "Exit immediately." \
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" " "Do nothing now.")
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case "$ACTION" in
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"KEEP")
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echo "Keeping old file, removing $reject."
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rm $reject
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;;
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"INST")
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echo "Installing new file, overwriting $real with $reject."
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mv $reject $real
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;;
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"EXIT")
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echo "Exiting..."
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cleanup
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exit 0
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;;
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*)
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echo "Leaving $real and $reject untouched for now."
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;;
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esac
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fi
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done
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cleanup
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