version-gen.sh

   1 #!/bin/sh
   2
   3 version_file='version.c'
   4 ver='unnamed_version'
   5 # First try git, then gitweb, then default.
   6 if [ -e '.git' -o -e '../.git' ]; then
   7         git_ver=$(git describe --abbrev=4 HEAD 2>/dev/null)
   8         [ -z "$git_ver" ] && git_ver="$ver"
   9         # update stat information in index to match working tree
  10         git update-index -q --refresh > /dev/null
  11         # if there are differences (exit code 1), the working tree is dirty
  12         git diff-index --quiet HEAD || git_ver=$git_ver-dirty
  13         ver=$git_ver
  14 elif [ -f debian/changelog ]; then
  15         ver="$(sed -ne '1s/.*(\(.*\)-.*/\1/1; tx; d; :x; p' debian/changelog)"
  16 elif [ "${PWD%%-*}" = 'lopsub-' ]; then
  17         ver=${PWD##*/lopsub-}
  18 fi
  19 ver=${ver#v}
  20
  21 echo "$ver"
  22
  23 # update version file if necessary
  24 content="const char *lls_version(void) {return \"$ver\";};"
  25 [ -r "$version_file" ] && echo "$content" | cmp -s - $version_file && exit 0
  26 echo >&2 "new git version: $ver"
  27 echo "$content" > $version_file