build/buildbot/tools/check.sh

   1 #!/bin/sh
   2 #############################################################################
   3 # Name:        check.sh
   4 # Purpose:     Offline checker for the buildbot configuration files
   5 # Author:      Mike Wetherell
   6 # RCS-ID:      $Id$
   7 # Copyright:   (c) 2007 Mike Wetherell
   8 # Licence:     wxWidgets licence
   9 #############################################################################
  10
  11 usage() {
  12     echo "Usage: $0 [options] FILE..."
  13     echo "Offline checker for the buildbot configuration files"
  14     echo
  15     echo "Options:"
  16     echo "  -g      generate xslt"
  17     echo "  -h      show help"
  18     echo "  -l N    output only line N"
  19     echo "  -p      preprocess"
  20     echo "  -v      validate"
  21     exit 0
  22 }
  23
  24 badopt() {
  25     echo "try '$0 -h' for more information" >&2
  26     exit 1
  27 }
  28
  29 progcheck() {
  30     prog="$1"
  31     $prog --version >/dev/null 2>&1 || {
  32         echo "$0: requires $prog, not found" >&2
  33         exit 1
  34     }
  35 }
  36
  37 GENERATE=1
  38 PREPROCESS=2
  39 VALIDATE=3
  40
  41 MODE=$VALIDATE
  42 FILTER=cat
  43
  44 while getopts ghl:pv opt; do
  45     case "$opt" in
  46         \?) badopt ;;
  47         g)  MODE=$GENERATE ;;
  48         h)  usage ;;
  49         l)  FILTER="sed -ne ${OPTARG}p" ;;
  50         p)  MODE=$PREPROCESS ;;
  51         v)  MODE=$VALIDATE ;;
  52     esac
  53 done
  54
  55 if [ $OPTIND -gt 1 ]; then
  56     shift `expr $OPTIND - 1`
  57 fi
  58
  59 if [ $# -eq 0 ]; then
  60     usage
  61 fi
  62
  63 XSLTPROC=xsltproc
  64 XMLLINT=xmllint
  65
  66 progcheck $XSLTPROC
  67 progcheck $XMLLINT
  68
  69 DIR="`dirname $0`"
  70 WORKDIR="${TMPDIR:-/tmp}/wx.$$"
  71 mkdir "$WORKDIR" || exit
  72 trap 'rm -rf "$WORKDIR"' EXIT
  73 WORKPAT=`echo "$WORKDIR" | sed 's|[^A-Za-z0-9]/|.|g'`
  74 XSLT="$WORKDIR/XSLT"
  75 PREP="$WORKDIR/PREP"
  76 STDERR="$WORKDIR/STDERR"
  77 ERR=0
  78
  79 # Filter to show lines of genertated XSLT when they are mentioned.
  80 showxslt() {
  81     awk '{
  82             print;
  83             if (sub(/.*generated XSLT line */, "") && sub(/[^0-9].*/, ""))
  84             {
  85                 system("sed -ne "$0"p '$XSLT'");
  86             }
  87          }'
  88 }
  89
  90 # Test it works as old version of awk don't have sub or system functions.
  91 if showxslt </dev/null 2>/dev/null; then
  92     SHOWXSLT=showxslt
  93 else
  94     SHOWXSLT=cat
  95 fi
  96
  97 # Change the names of the temporary files in an error message to something
  98 # to something more informative
  99 errout()
 100 {
 101     NAME="$1"
 102
 103     if [ -s "$STDERR" ]; then
 104         sed "s|file ${WORKPAT}|${WORKPAT}|g;\
 105              s|${WORKPAT}/XSLT|generated XSLT|g;\
 106              s|${WORKPAT}/PREP|$NAME (preprocessed)|g" "$STDERR" | $SHOWXSLT
 107     fi
 108 }
 109
 110 output()
 111 {
 112     $FILTER "$1"
 113 }
 114
 115 generate()
 116 {
 117     INPUT="$1"
 118
 119     if $XSLTPROC --xinclude -o "$XSLT" $DIR/embedded.xsl "$INPUT" 2>"$STDERR" &&
 120        test \! -s "$STDERR"
 121     then
 122         if [ $MODE -eq $GENERATE ]; then
 123             output "$XSLT"
 124         fi
 125     else
 126         return 1
 127     fi
 128 }
 129
 130 preprocess()
 131 {
 132     INPUT="$1"
 133
 134     if [ $MODE -lt $PREPROCESS ]; then
 135         return 0
 136     fi
 137
 138     if $XSLTPROC --xinclude -o "$PREP" "$XSLT" "$INPUT" 2>"$STDERR" &&
 139        test \! -s "$STDERR"
 140     then
 141         if [ $MODE -eq $PREPROCESS ]; then
 142             output "$PREP"
 143         fi
 144     else
 145         return 1
 146     fi
 147 }
 148
 149 validate()
 150 {
 151     NAME="$1"
 152
 153     if [ $MODE -lt $VALIDATE ]; then
 154         return 0
 155     fi
 156
 157     if $XMLLINT --noout --schema $DIR/bot.xsd "$PREP" 2>"$STDERR"
 158     then
 159         errout "$NAME"
 160     else
 161         return 1
 162     fi
 163 }
 164
 165 while [ $# -gt 0 ]; do
 166     INPUT="$1"
 167     NAME="`echo \"$INPUT\" | sed 's/[|\]/\\\&/g'`"
 168
 169     {
 170         generate "$INPUT" &&
 171         preprocess "$INPUT" &&
 172         validate "$NAME"
 173     } || {
 174         errout "$NAME" >&2
 175         ERR=1
 176     }
 177
 178     rm -f "$XSLT" "$PREP" "$STDERR"
 179
 180     shift
 181 done
 182
 183 exit $ERR