freebsd-nq/crypto/openssh/FREEBSD-tricks

# $FreeBSD$

# Shell code to remove FreeBSD tags before merging
grep -rl '\$Fre.BSD:' . |
while read f ; do
    sed -i.orig -e '/\$Fre.BSD:/d' $f
done

# Shell + Perl code to add FreeBSD tags wherever an OpenBSD or Id tag occurs
egrep -rl '\$(Id|OpenBSD):' . |
xargs perl -n -i.orig -e 'print; s/\$(Id|OpenBSD): [^\$]*\$/\$FreeBSD\$/ && print'

# Shell code to reexpand FreeBSD tags
grep -rl '\$FreeBSD\$' . |
while read f ; do 
    id=$(cvs diff $f | grep '\$Fre.BSD:' | sed 's/.*\(\$Fre.BSD:.*\$\).*/\1/') ;
    if [ -n "$id" ] ; then 
        sed -i.orig -e "s@\\\$Fre.BSD\\\$@$id@" $f ;
    fi ; 
done