sh/tests/builtins/fc2.0

   1 # $FreeBSD: head/bin/sh/tests/builtins/fc2.0 213738 2010-10-12 18:20:38Z obrien $
   2 set -e
   3 trap 'echo Broken pipe -- test failed' PIPE
   4
   5 P=${TMPDIR:-/tmp}
   6 cd $P
   7 T=$(mktemp -d sh-test.XXXXXX)
   8 cd $T
   9
  10 mkfifo input output error
  11 HISTFILE=/dev/null ${SH} +m -i <input >output 2>error &
  12 exec 3>input
  13 {
  14         # Command not found, containing slash
  15         echo '/var/empty/nonexistent' >&3
  16         # Read error message, shell will read new input now
  17         read dummy <&5
  18         # Execute bad command again
  19         echo 'fc -e true; echo continued' >&3
  20         read dummy <&5
  21         read line <&4 && [ "$line" = continued ] && : ${rc:=0}
  22         exec 3>&-
  23         # Old sh duplicates itself after the fc, producing another line
  24         # of output.
  25         if read line <&4; then
  26                 echo "Extraneous output: $line"
  27                 rc=1
  28         fi
  29 } 4<output 5<error
  30 exec 3>&-
  31
  32 rm input output error
  33 rmdir ${P}/${T}
  34 exit ${rc:-3}