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dnsmasq

    1: #!/bin/sh
    2: 
    3: # Determine the version string to build into a binary.
    4: # When building in the git repository, we can use the output 
    5: # of "git describe" which gives an unequivocal answer.
    6: #
    7: # Failing that, we use the contents of the VERSION file
    8: # which has a set of references substituted into it by git.
    9: # If we can find one which matches $v[0-9].* then we assume it's
   10: # a version-number tag, else we just use the whole string.
   11: # If there is more than one v[0-9].* tag, sort them and use the
   12: # first. This favours, eg v2.63 over 2.63rc6.
   13: 
   14: if which git >/dev/null 2>&1 && [ -d $1/.git ]; then
   15:      cd $1; git describe
   16: elif grep '\$Format:%d\$' $1/VERSION >/dev/null 2>&1; then
   17: # unsubstituted VERSION, but no git available.
   18:     echo UNKNOWN
   19: else
   20:      vers=`cat $1/VERSION | sed 's/[(), ]/,/ g' | tr ',' '\n' | grep ^v[0-9]`
   21: 
   22:      if [ $? -eq 0 ]; then
   23:          echo "${vers}" | sort | head -n 1 | sed 's/^v//'
   24:      else
   25:          cat $1/VERSION
   26:      fi
   27: fi
   28: 
   29: exit 0
   30: