release/src/router/dnsmasq/bld/get-version

   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 && \
  15     ([ -d $1/.git ] || grep '^gitdir:' $1/.git >/dev/null 2>&1); then
  16     cd $1; git describe | sed 's/^v//'
  17 elif grep '\$Format:%d\$' $1/VERSION >/dev/null 2>&1; then
  18 # unsubstituted VERSION, but no git available.
  19     echo UNKNOWN
  20 else
  21      vers=`cat $1/VERSION | sed 's/[(), ]/,/ g' | tr ',' '\n' | grep ^v[0-9]`
  22
  23      if [ $? -eq 0 ]; then
  24          echo "${vers}" | sort -r | head -n 1 | sed 's/^v//'
  25      else
  26          cat $1/VERSION
  27      fi
  28 fi
  29
  30 exit 0
  31