version.sh

   1 #!/bin/sh
   2 # version.sh - execute in the root of the project to get the version number
   3 #
   4 # Unlimited permission to copy, distribute and modify this file is granted.
   5 # This file is offered as-is, without any warranty.
   6
   7 test $# -gt 0 && PACKAGE_NAME=$1
   8 PACKAGE_NAME=${PACKAGE_NAME=ngjackspa}
   9 DEF_VER="unknown_version"
  10
  11 NL='
  12 '
  13
  14 # First try git-describe, then see if there is a VERSION file (included in
  15 # release tarballs), then see if the project directory matches the project
  16 # name, then use the default.
  17 if
  18         test -d .git || test -f .git &&
  19         VN=$(git describe --abbrev=7 --match "version/*" --tags HEAD --always 2>/dev/null) &&
  20         case $VN in
  21         *$NL*)
  22                 false ;;
  23         version/*)
  24                 git update-index -q --refresh
  25                 test -z "$(git diff-index --name-only HEAD --)" ||
  26                 VN="$VN.dirty" ;;
  27         esac
  28 then
  29         VN=$(echo "$VN" | sed -e 's#^[vV][eE][rR][a-zA-Z]\{0,\}/##' -e 's/-/+/' -e 's/-/_/')
  30           # <tag>+<num-of-commits>_g<hash>.dirty
  31 elif
  32         test -f VERSION && test -s VERSION
  33 then
  34         VN=$(cat VERSION) || VN=$DEF_VER
  35 elif
  36         VN=$(pwd | sed -e 's#^.\{0,\}/##') &&
  37         test x"$VN" != x"${VN#"$PACKAGE_NAME-"}"
  38 then
  39         VN=${VN#"$PACKAGE_NAME-"}
  40 else
  41         VN=$DEF_VER
  42 fi
  43
  44 echo "$VN"