get-version 1.4 KB

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  1. #!/bin/sh
  2. #
  3. # get-version
  4. #
  5. # Copyright © 2009, 2013-2014 Guillem Jover <guillem@debian.org>
  6. #
  7. # This program is free software; you can redistribute it and/or modify
  8. # it under the terms of the GNU General Public License as published by
  9. # the Free Software Foundation; either version 2 of the License, or
  10. # (at your option) any later version.
  11. #
  12. # This program is distributed in the hope that it will be useful,
  13. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. # GNU General Public License for more details.
  16. #
  17. # You should have received a copy of the GNU General Public License
  18. # along with this program. If not, see <https://www.gnu.org/licenses/>.
  19. #
  20. if [ -f .dist-version ]; then
  21. # Get the version from the file distributed in the tarball.
  22. version=$(cat .dist-version)
  23. elif [ -d .git ]; then
  24. # Get the version from the git repository. Since tags cannot contain colons
  25. # or tildes, we use percent and underscore instead. Reverse that switch here.
  26. version=$(git describe --abbrev=4 HEAD 2>/dev/null | tr %_ :~)
  27. # Check if we are on a dirty checkout.
  28. git update-index --refresh -q >/dev/null
  29. dirty=$(git diff-index --name-only HEAD 2>/dev/null)
  30. if [ -n "$dirty" ]; then
  31. version="$version-dirty"
  32. fi
  33. else
  34. echo "error: cannot get project version." 1>&2
  35. exit 1
  36. fi
  37. # Use printf to avoid the trailing new line that m4_esyscmd would not handle.
  38. printf "$version"