IABSD.fr/src/distrib/syspatch/diff.sh

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• Author : robert
  Date : 2026-03-08 16:25:42
  Hash : 49a65bce
  Message : exclude cache-* instead of cache-4 which is not at version 7 and can be changed anytime

• distrib/syspatch/diff.sh

• #!/bin/ksh
  #
  # $OpenBSD: diff.sh,v 1.8 2026/03/08 16:25:42 robert Exp $
  #
  # Copyright (c) 2017, 2019 Robert Nagy <robert@openbsd.org>
  #
  # Permission to use, copy, modify, and distribute this software for any
  # purpose with or without fee is hereby granted, provided that the above
  # copyright notice and this permission notice appear in all copies.
  #
  # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  
  umask 0022
  
  trap exit HUP INT TERM
  
  [[ "$1" != /* ]] || [[ "$2" != /* ]] &&
  	echo "paths have to be absolute" &&
  	exit 1
  
  plist=$(mktemp)
  trap 'rm -f ${plist}' EXIT
  
  padd() {
  	local _path=$1
  	readlink -f ${_path} >> ${plist}
  }
  
  diff -Parq $1 $2 2>&1 | grep ' differ$' |
  while IFS= read -r _d
  do
  	_o=$(echo $_d | cut -d ' ' -f2)
  	_n=$(echo $_d | cut -d ' ' -f4)
  	case "${_o##*.}"
  	in
  		a)
  			cmp -s ${_o} ${_n} 34 34 || padd ${_n}
  			;;
  		1|3p)
  			# Needed for perl(1) because Pod::Man adds the build
  			# date in the man page; e.g. /usr/share/man1/pod2html.1:
  			# .TH POD2HTML 1 "2017-07-29" "perl v5.24.1"
  			_onm=$(mktemp)
  			_nnm=$(mktemp)
  			trap 'rm -f ${_onm} ${_nnm}' EXIT
  			sed -E '/([0-9]+-[0-9]+-[0-9]+|=+)/d' ${_o} > ${_onm}
  			sed -E '/([0-9]+-[0-9]+-[0-9]+|=+)/d' ${_n} > ${_nnm}
  			diff -q ${_onm} ${_nnm} >/dev/null || padd ${_n}
  			rm -f ${_onm} ${_nnm}
  			;;
  		EFI|dat|db|tgz|*void|*dir|mk|cache-*|tar)
  			;;
  		*)
  			padd ${_n}
  			;;
  	esac
  done
  
  sort -u ${plist}