runtest

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 1992-2016, 2021 Free Software Foundation, Inc.
   4 #
   5 # This file is part of DejaGnu.
   6 #
   7 # DejaGnu is free software: you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # DejaGnu is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 # General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with DejaGnu.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 # This script was written by Rob Savoye. The script finds the proper
  21 # expect shell and then starts DejaGnu.
  22
  23 # shellcheck disable=SC2003
  24 # The shellcheck tool complains about use of expr and recommends using
  25 # newer shell features instead.  Solaris 10 /bin/sh does not support the
  26 # newer features, so we must use expr in this script.
  27
  28 # shellcheck disable=SC2006
  29 # The shellcheck tool complains about the old style backtick command
  30 # substitution.  Solaris 10 /bin/sh does not support the new style $()
  31 # command substitution and the usage of command substitution in this script
  32 # is simple enough to work.  Most notably, nesting backtick command
  33 # substitution is tricky, but we do not do that.
  34
  35 # Get the execution path to this script and the current directory.
  36
  37 mypath=${0-.}
  38 if expr "$mypath" : '.*/.*' > /dev/null
  39 then
  40     :
  41 else
  42     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
  43     for dir in $PATH
  44     do
  45         test -z "$dir" && dir=.
  46         if test -x "$dir/$mypath"
  47         then
  48             mypath="$dir/$mypath"
  49             break
  50         fi
  51     done
  52     IFS="$save_ifs"
  53 fi
  54 execpath=`echo "$mypath" | sed -e 's@/[^/]*$@@'`
  55
  56 # Get the name by which runtest was invoked and extract the config
  57 # triplet.
  58
  59 runtest=`echo "$mypath" | sed -e 's@^.*/@@'`
  60 target=`echo "$runtest" | sed -e 's/-runtest$//'`
  61 if [ "$target" != runtest ] ; then
  62     target="--target ${target}"
  63 else
  64     target=""
  65 fi
  66
  67 # Find the right expect binary to use. If a variable EXPECT exists, it
  68 # takes precedence over all other tests. Otherwise look for a freshly
  69 # built one, and then use one in the path.
  70
  71 if [ -n "$EXPECT" ] ; then
  72   expectbin="$EXPECT"
  73 else
  74   if [ -x "$execpath/expect" ] ; then
  75     expectbin="$execpath/expect"
  76   else
  77     expectbin=expect
  78   fi
  79 fi
  80
  81 # Just to be safe ..
  82
  83 if [ -z "$expectbin" ]; then
  84   echo "ERROR: No expect shell found"
  85   exit 1
  86 fi
  87
  88 # This wrapper script will set up run-time library search PATHs.
  89
  90 if [ -x "$expectbin-bld.sh" ]; then
  91   expectbin="${CONFIG_SHELL-/bin/sh} $expectbin-bld.sh"
  92 fi
  93
  94 # Extract a few options from the option list.
  95
  96 verbose=0
  97 debug=""
  98 for a in "$@" ; do
  99   case $a in
 100       -v|--v|-verb*|--verb*)    verbose=`expr $verbose + 1` ;;
 101       -D0|--D0)       debug="-D 0" ;;
 102       -D1|--D1)       debug="-D 1" ;;
 103   esac
 104 done
 105
 106 if expr "$verbose" \> 0 > /dev/null ; then
 107   echo Expect binary is "$expectbin"
 108 fi
 109
 110 # Find runtest.exp. First we look in its installed location,
 111 # otherwise start if from the source tree.
 112 #
 113 # runtest.exp is found in @datadir@ (set by configure), but $execpath
 114 # is @bindir@.  We're assuming that:
 115 #
 116 #   @datadir@ == @bindir@/../share
 117 #   or
 118 #   @datadir@ == @bindir@/../../share
 119 #
 120 # .. which is a very weak assumption
 121
 122 bindir1up_check=`echo "$execpath" | sed -e 's@/[^/]*$@/share/dejagnu@'`
 123 bindir2up_check=`echo "$execpath" | sed -e 's@/[^/]*/[^/]*$@/share/dejagnu@'`
 124
 125 for i in \
 126     "${bindir1up_check}" "${bindir2up_check}" "$execpath" \
 127     /usr/share/dejagnu \
 128     /usr/local/share/dejagnu ; do
 129     if expr "$verbose" \> 1 > /dev/null ; then
 130         echo Looking for "$i"/runtest.exp.
 131     fi
 132     if [ -f "$i/runtest.exp" ] ; then
 133         runpath="$i"
 134         if expr "$verbose" \> 0 > /dev/null ; then
 135             echo Using "$i"/runtest.exp as main test driver
 136         fi
 137         break
 138     fi
 139 done
 140
 141 # Check for an environment variable.
 142
 143 if [ -n "$DEJAGNULIBS" ] ; then
 144     runpath="$DEJAGNULIBS"
 145     if expr "$verbose" \> 0 > /dev/null ; then
 146         echo Using "$DEJAGNULIBS"/runtest.exp as main test driver
 147     fi
 148 fi
 149 if [ -z "$runpath" ] ; then
 150     echo "ERROR: runtest.exp does not exist"
 151     exit 1
 152 fi
 153
 154 if command -v "$expectbin" > /dev/null ; then :; else
 155     echo "ERROR: unable to find expect in the PATH"
 156     exit 1
 157 fi
 158
 159 # The `debug' and `target' variables are _intended_ to contain zero or two
 160 # words each.  Word splitting is desired here.
 161 # shellcheck disable=SC2086
 162 exec "$expectbin" $debug -- "$runpath"/runtest.exp $target ${1+"$@"}