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Annotation of embedaddon/dnsmasq/bld/get-version, revision 1.1.1.5

1.1       misho       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
1.1.1.5 ! misho      12: # first. The insane arguments to the sort command are to ensure
        !            13: # that, eg v2.64 comes before v2.63, but v2.63 comes before v2.63rc1
        !            14: # and v2.63rc1 comes before v2.63test1
        !            15: 
1.1       misho      16: 
1.1.1.4   misho      17: # Change directory to the toplevel source directory.
                     18: if test -z "$1" || ! test -d "$1" || ! cd "$1"; then
                     19:     echo "$0: First argument $1 must be toplevel dir." >&2
                     20:     exit 1
                     21: fi
                     22: 
1.1.1.3   misho      23: if which git >/dev/null 2>&1 && \
1.1.1.4   misho      24:     ([ -d .git ] || grep '^gitdir:' .git >/dev/null 2>&1) && \
                     25:     git describe >/dev/null 2>&1; then 
                     26:     git describe | sed 's/^v//'
1.1       misho      27: elif grep '\$Format:%d\$' $1/VERSION >/dev/null 2>&1; then
1.1.1.4   misho      28:     # unsubstituted VERSION, but no git available.
1.1       misho      29:     echo UNKNOWN
                     30: else
                     31:      vers=`cat $1/VERSION | sed 's/[(), ]/,/ g' | tr ',' '\n' | grep ^v[0-9]`
                     32: 
                     33:      if [ $? -eq 0 ]; then
1.1.1.5 ! misho      34:          echo "${vers}" | sort -k1.2,1.5Vr -k1.6,1.6 -k1.8,1.9Vr -k1.10,1.11Vr | head -n 1 | sed 's/^v//'
1.1       misho      35:      else
                     36:          cat $1/VERSION
                     37:      fi
                     38: fi
                     39: 
                     40: exit 0
                     41: