gmdiff

   1 #!/bin/sh
   2 # Copyright (c) 2013,2014,2015,2017,2018 Ingo Schwarze <schwarze@openbsd.org>
   3 #
   4 # Permission to use, copy, modify, and distribute this software for any
   5 # purpose with or without fee is hereby granted, provided that the above
   6 # copyright notice and this permission notice appear in all copies.
   7 #
   8 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15
  16 if [ `id -u` -eq 0 ]; then
  17   echo "$0: do not run me as root"
  18   exit 1
  19 fi
  20
  21 if [ $# -eq 0 ]; then
  22   echo "usage: $0 [-h|-u] manual_source_file ..."
  23   exit 1
  24 fi
  25
  26 if [ "X$1" = "X-h" ]; then
  27   shift
  28   export PATH="/usr/local/heirloom-doctools/bin:$PATH"
  29   EQN="neqn"
  30   ROFF="nroff"
  31   MOPT="-Ios=BSD -Tascii $MOPT"
  32   COLPIPE="col -b"
  33 elif [ "X$1" = "X-u" ]; then
  34   shift
  35   ROFF="groff -ket -ww -Tutf8 -P -c"
  36   MOPT="-Ios=OpenBSD -Wall -Tutf8 $MOPT"
  37   COLPIPE="cat"
  38 else
  39   ROFF="groff -ket -ww -mtty-char -Tascii -P -c"
  40   MOPT="-Ios=OpenBSD -Wall -Tascii $MOPT"
  41   COLPIPE="cat"
  42 fi
  43
  44 while [ -n "$1" ]; do
  45   file=$1
  46   shift
  47   echo " ========== $file ========== "
  48   $ROFF -mandoc $file | $COLPIPE 2> /tmp/roff.err > /tmp/roff.out
  49   ${MANDOC:=mandoc} $MOPT $file | $COLPIPE \
  50     2> /tmp/mandoc.err > /tmp/mandoc.out
  51   for i in roff mandoc; do
  52     [ -s /tmp/$i.err ] && echo "$i errors:" && cat /tmp/$i.err
  53   done
  54   diff -au $DIFFOPT /tmp/roff.out /tmp/mandoc.out 2>&1
  55 done
  56
  57 exit 0