+
−#!/bin/sh
+
−#
+
−# Enhanced sccs diff utility for use with vc mode.
+
−# This version is more compatible with rcsdiff(1).
+
−#
+
−#	!Id: vcdiff,v 1.4 1993/12/03 09:29:18 eggert Exp !
+
−#
+
−# Modified by: vladimir@Eng.Sun.COM on 95-06-07
+
−# * Made sure that file arguments are specifed as s.<filename>.
+
−# * Switched the assignments to $f inside the 3rd and 4th case statements of
+
−#   the first for-loop
+
−# * Removed the incorrect initialization of sid1 before the first for-loop.
+
−#
+
−
+
−DIFF="diff"
+
−usage="$0: Usage: vcdiff [--brief] [-q] [-r<sid1>] [-r<sid2>] [diffopts] sccsfile..."
+
−
+
−PATH=$PATH:/usr/ccs/bin:/usr/sccs # common SCCS hangouts
+
−
+
−echo=
+
−sid1= sid2=
+
−
+
−for f
+
−do
+
−	case $f in
+
−	-*)
+
−		case $f in
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−		--brief)
+
−			DIFF=cmp;;
+
−		-q)
+
−			echo=:;;
+
−		-r?*)
+
−			case $sid1 in
+
−			-r*)
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−				sid2=$f
+
−				;;
+
−			*) 
+
−				case $sid2 in
+
−				  ?*) echo "$usage" >&2; exit 2 ;;
+
−				esac
+
−				sid1=$f
+
−				;;
+
−			esac
+
−			;;
+
−		*)
+
−			options="$options $f"
+
−			;;
+
−		esac
+
−		shift
+
−		;;
+
−	*)
+
−		break
+
−		;;
+
−	esac
+
−done
+
−
+
−case $# in
+
−0)
+
−	echo "$usage" >&2
+
−	exit 2
+
−esac
+
−
+
−
+
−rev1= rev2= status=0
+
−trap 'status=2; exit' 1 2 13 15
+
−trap 'rm -f $rev1 $rev2 || status=2; exit $status' 0
+
−
+
−for f
+
−do
+
−  s=2
+
−
+
−  # For files under SCCS control, fixup the file name to be the s. filename
+
−  if [ -d SCCS ]; then
+
−    if [ $f = `echo $f | sed -e 's|SCCS/s.||'` ]; then
+
−      f="SCCS/s.$f"
+
−    fi
+
−  fi 
+
−
+
−	case $f in
+
−	s.* | */s.*)
+
−		if
+
−			rev1=/tmp/geta$$
+
−			get -s -p -k $sid1 "$f" > $rev1 &&
+
−			case $sid2 in
+
−			'')
+
−				workfile=`expr " /$f" : '.*/s.\(.*\)'`
+
−				;;
+
−			*)
+
−				rev2=/tmp/getb$$
+
−				get -s -p -k $sid2 "$f" > $rev2
+
−				workfile=$rev2
+
−			esac
+
−		then
+
−			$echo $DIFF $options $sid1 $sid2 $workfile >&2
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−			$DIFF $options $rev1 $workfile
+
−			s=$?
+
−		fi
+
−		;;
+
−	*)
+
−		echo "$0: $f is not an SCCS file" >&2
+
−	esac
+
−
+
−	if test $status -lt $s
+
−	then status=$s
+
−	fi
+
−done