version.sh

   1 #!/bin/sh
   2 # Execute in the root of the project to get the version
   3
   4 [ $# -gt 0 ] && PACKAGE_NAME=$1
   5 PACKAGE_NAME=${PACKAGE_NAME:-cdimgtools}
   6 DEF_VER="unknown_version"
   7
   8 LF='
   9 '
  10
  11 # First try git-describe, then see if there is a VERSION file (included in
  12 # release tarballs), then see if the project directory matches the project
  13 # name, then use the default.
  14 if test -d .git -o -f .git &&
  15         VN=$(git describe --abbrev=7 --match "version/*" --tags HEAD --always 2>/dev/null) &&
  16         case "$VN" in
  17         (*$LF*) false ;;
  18         (version/*)
  19                 git update-index -q --refresh
  20                 test -z "$(git diff-index --name-only HEAD --)" ||
  21                 VN="$VN.dirty" ;;
  22         esac
  23 then
  24         VN=$(echo "$VN" | sed -e 's#^\(ver\|VER\)[a-zA-Z]*/##' -e 's/-/+/' -e 's/-/_/')
  25                 # <tag>+<num-of-commits>_g<hash>.dirty
  26 elif test -f VERSION && test -s VERSION
  27 then
  28         VN=$(cat VERSION) || VN="$DEF_VER"
  29 elif VN=$(pwd -P | sed -e 's#^.*/##') &&
  30     test x"$VN" != x"${VN#"$PACKAGE_NAME-"}"
  31 then
  32     VN=${VN#"$PACKAGE_NAME-"}
  33 else
  34         VN="$DEF_VER"
  35 fi
  36
  37 echo -n "$VN"