support/dependencies/check-host-asciidoc.sh

   1 #!/bin/sh
   2
   3 candidate="$1" #ignored
   4
   5 asciidoc=`which asciidoc`
   6 if [ ! -x "$asciidoc" ]; then
   7         # echo nothing: no suitable asciidoc found
   8         exit 1
   9 fi
  10
  11 # Output of 'asciidoc --version' examples:
  12 # asciidoc 8.6.7
  13 version=`$asciidoc --version | cut -d\  -f2`
  14 major=`echo "$version" | cut -d. -f1`
  15 minor=`echo "$version" | cut -d. -f2`
  16 bugfix=`echo "$version" | cut -d. -f3`
  17
  18 # To generate the manual, we need asciidoc >= 8.6.3
  19 major_min=8
  20 minor_min=6
  21 bugfix_min=3
  22 if [ $major -gt $major_min ]; then
  23         echo $asciidoc
  24 else
  25         if [ $major -eq $major_min -a $minor -ge $minor_min ]; then
  26                 echo $asciidoc
  27         else
  28                 if [ $major -eq $major_min -a $minor -eq $minor_min \
  29                         -a $bugfix -ge $bugfix_min ]; then
  30                         echo $asciidoc
  31                 else
  32                         # echo nothing: no suitable asciidoc found
  33                         exit 1
  34                 fi
  35         fi
  36 fi