external/gpl2/xcvs/dist/contrib/debug_check_log.sh

   1 #!/bin/sh
   2
   3 # Copyright (C) 2000-2005 The Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2, or (at your option)
   8 # any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 #
  16 # This program is intended to take a check.log file generated by a failed run of
  17 # sanity.sh as input and run expr line by line on it.  It seems a much easier
  18 # way of spotting a single failed line in a 100 line test result.
  19 #
  20
  21 #
  22 # Contributed by Derek R. Price <derek.price@openavenue.com>
  23 #
  24
  25
  26
  27 usage ()
  28 {
  29         echo "\
  30 usage: $0 [-afh] [file...]
  31
  32        -a          process alternate pattern
  33        -f          process first pattern (default)
  34        -h          print this text
  35
  36      file          files to process (default = check.log)"
  37 }
  38
  39 # Do a line by line match with expr
  40 #
  41 # INPUTS
  42 #    $1 = text file name
  43 #    $2 = pattern file name
  44 expr_line_by_line ()
  45 {
  46         dcl_line=0
  47         dcl_wrong=
  48         # We are assuming a newline at the end of the file.  The way sanity.sh
  49         # uses echo to create the log message guarantees this newline and since
  50         # expr ignores the last newline when the anchor is present anyhow, no
  51         # information is being lost in the transition
  52         while test $dcl_line -lt `wc -l <$1` -a $dcl_line -lt `wc -l <$2`; do
  53                 dcl_line=`expr $dcl_line + 1`
  54                 if test `sed -ne${dcl_line}p <$1 |wc -c` -eq 1 \
  55                                 -a `sed -ne${dcl_line}p <$2 |wc -c` -eq 1; then
  56                         # This is a workaround for what I am calling a bug in GNU
  57                         # expr - it won't match the empty string to the empty
  58                         # string.  In this case the assumption is that a single
  59                         # character is always a newline.  Since we already checked
  60                         # for the end of the file, we know sed will echo the
  61                         # newline.
  62                         :
  63                 elif expr "`sed -ne${dcl_line}p <$1`" : \
  64                                 "`sed -ne${dcl_line}p <$2`\$" >/dev/null; then
  65                         :
  66                 else
  67                         echo "$dcl_line: `sed -ne${dcl_line}p <$1`"
  68                         echo "$dcl_line: `sed -ne${dcl_line}p <$2`\$"
  69                         dcl_wrong="$dcl_wrong $dcl_line"
  70                 fi
  71         done
  72         if test `wc -l <$1` -ne `wc -l <$2`; then
  73                 echo "output & pattern contain differing number of lines"
  74         elif test -z "$dcl_wrong"; then
  75                 echo "no mismatched lines"
  76         else
  77                 echo "mismatched lines: $dcl_wrong"
  78         fi
  79 }
  80
  81 # Process a single check.log file
  82 #
  83 # INPUTS
  84 #    $1 = filename
  85 process_check_log ()
  86 {
  87         # abort if we can't find any expressions
  88         if grep '^\*\* got: $' <$1 >/dev/null; then
  89                 :
  90         else
  91                 echo "WARNING:  No expressions in file: $1" >&2
  92                 echo "          Either not a check.log or sanity.sh exited for some other reason," >&2
  93                 echo "          like bad exit status.  Try tail." >&2
  94                 return
  95         fi
  96
  97         dcl_exprfiles=""
  98         if grep '^\*\* or: $' <$1 >/dev/null; then
  99                 # file contains a second regex
 100                 if test $dcl_dofirst -eq 1; then
 101                         # get the first pattern
 102                         sed -ne '/^\*\* expected: $/,/^\*\* or: $/p' <$1 >/tmp/dcle$$
 103                         dcl_exprfiles="$dcl_exprfiles /tmp/dcle$$"
 104                 fi
 105                 if test $dcl_doalternate -eq 1; then
 106                         # get the alternate pattern
 107                         sed -ne '/^\*\* or: $/,/^\*\* got: $/p' <$1 >/tmp/dclo$$
 108                         dcl_exprfiles="$dcl_exprfiles /tmp/dclo$$"
 109                 else
 110                         echo "WARNING:  Ignoring alternate pattern in file: $1" >&2
 111                 fi
 112         else
 113                 # file doesn't contain a second regex
 114                 if test $dcl_dofirst = 1; then
 115                         # get the only pattern
 116                         sed -ne '/^\*\* expected: $/,/^\*\* got: $/p' <$1 >/tmp/dcle$$
 117                         dcl_exprfiles="$dcl_exprfiles /tmp/dcle$$"
 118                 fi
 119                 if test $dcl_doalternate -eq 1; then
 120                         echo "WARNING:  No alternate pattern in file:  $1" >&2
 121                 fi
 122         fi
 123
 124         # and get the actual output
 125         sed -ne '/^\*\* got: $/,$p' <$1 >/tmp/dclg$$
 126         sed -ne '1D
 127 $D
 128 p' </tmp/dclg$$ >/tmp/dclh$$
 129         mv /tmp/dclh$$ /tmp/dclg$$
 130
 131         # compare the output against each pattern requested
 132         for dcl_f in $dcl_exprfiles; do
 133                 sed -ne '1D
 134 $D
 135 p' <$dcl_f >/tmp/dclp$$
 136                 mv /tmp/dclp$$ $dcl_f
 137
 138                 case $dcl_f in
 139                         /tmp/dcle*)
 140                                 echo "********** $1 : Primary **********"
 141                                 ;;
 142                         /tmp/dclo*)
 143                                 echo "********** $1 : Alternate **********"
 144                                 ;;
 145                 esac
 146
 147                 expr_line_by_line /tmp/dclg$$ $dcl_f
 148
 149                 rm $dcl_f
 150         done
 151
 152         rm /tmp/dclg$$
 153 }
 154
 155 ###
 156 ### MAIN
 157 ###
 158
 159 # set up defaults
 160 dcl_doalternate=0
 161 dcl_dofirst=0
 162
 163 # process options
 164 while getopts afh arg; do
 165         case $arg in
 166                 a)
 167                         dcl_doalternate=1
 168                         ;;
 169                 f)
 170                         dcl_dofirst=1
 171                         ;;
 172                 \?|h)
 173                         usage
 174                         exit 1
 175                         ;;
 176         esac
 177 done
 178
 179 # dispose of processed args
 180 shift `expr $OPTIND - 1`
 181 OPTIND=1
 182
 183 # set the default mode
 184 if test $dcl_doalternate -eq 0; then
 185         dcl_dofirst=1
 186 fi
 187
 188 # set default arg
 189 if test $# -eq 0; then
 190         if test -f src/check.log && test -r src/check.log; then
 191                 set src/check.log
 192         else
 193                 set check.log
 194         fi
 195 fi
 196
 197 for file in "$@"; do
 198         process_check_log $file;
 199 done
 200
 201 exit 0