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#!/bin/sh
if ! [ -e "$1" ] ; then
echo "$1 does not exist." >&2
exit 1
fi
DN=`dirname "$1"`
BN=`basename "$1"`
if ! [ -e "$1,v" ] && ! [ -e "$DN/RCS/$BN,v" ] ; then
echo "Neither $1,v nor $DN/RCS/$BN,v do not exist." >&2
exit 1
fi
owner=`stat -c "%u:%g" $1`
rcsdiff -u "$1"
if [ $? -ne 0 ] ; then
rcsdiff "$1" > "$1.rvi.diff"
echo
echo "Differences detected"
echo "run 'co $1' to overwrite with last committed version"
echo "or 'co -l $1; patch $1 < $1.rvi.diff; ci -u $1; chown $owner $1' to commit"
exit 1
fi
rm -f "$1.rvi.diff"
co -l "$1"
if [ $? -ne 0 ] ; then
echo "Check out failed."
echo "Maybe someone else is currently editing this file."
echo "Aborting rvi."
exit 1
fi
if [ "$(id -u)" = "0" ]; then
chown "$owner" "$1"
fi
/usr/bin/vim "$1"
ci -u "$1"
if [ "$(id -u)" = "0" ]; then
chown "$owner" "$1"
fi
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