#!/bin/sh
# $Id: cvs-tags,v 1.2 2015/03/04 01:24:33 friedman Exp $

# Print a list of unique symbolic tags for the CVS files traversed.
# With -t, show release tags only.
# With -b, show branch tags only.

case $1 in
    -b ) bexpr='/\.0\./!b l' ; shift ;;
    -t ) bexpr='/\.0\./b l'  ; shift ;;
    *  ) bexpr=':i' ;;
esac

cvs -q log -h "$@" \
    | sed -n \
          -e '/symbolic names:/!d' \
          -e ':l' \
          -e 'n' \
          -e "$bexpr" \
          -e '/^[ 	]/{' \
          -e '  s/:.*//;s/^[ 	]*//p' \
          -e '}' \
          -e 't l' \
    | sort -u