mk-version

   1 #!/bin/sh
   2
   3 # print vpnc version from file VERSION, appending the string printed
   4 # by svnversion(1) if appropriate
   5
   6 in_git_repository ()
   7 {
   8         git rev-parse --is-inside-work-tree > /dev/null 2>&1
   9         return $?
  10 }
  11
  12 git_svn_version ()
  13 {
  14         # search for svn-remote defined in git configuration
  15         svn_url_pattern=""
  16         while read key value; do
  17                 svn_url_pattern="${svn_url_pattern}\\|${value}"
  18         done << EOF
  19         $(git config --get-regexp '^svn-remote\..*\.url$' 2>/dev/null)
  20 EOF
  21
  22         # exit if no svn-remote defined
  23         if [ -z "${svn_url_pattern}" ]; then
  24                 return
  25         fi
  26
  27         # scan git-log for latest commit from any svn-remote above
  28         set -- $(git log --first-parent -1 \
  29                 --grep="^git-svn-id: \(${svn_url_pattern#??}\)@" 2>/dev/null)
  30
  31         # check commit hash is 40 hex digits
  32         svn_commit=$2
  33         if [ ${#svn_commit} -ne 40 -o -z "${svn_commit##*[!0-9a-f]*}" ]; then
  34                 return
  35         fi
  36
  37         # check svn version is numeric
  38         shift $(($# - 2))
  39         svn_ver=${1#*@}
  40         if [ -z "${svn_ver}" -o -z "${svn_ver##*[!0-9]*}" ]; then
  41                 return
  42         fi
  43
  44         if [ $(git rev-list HEAD...${svn_commit} | wc -l) -eq 0 ]; then
  45                 if [ `git status -s | grep -vc '^??'` -eq 0 ]; then
  46                         # no git commits and tree clean
  47                         echo "${svn_ver}"
  48                         return
  49                 fi
  50         fi
  51         # there are local git commits after latest svn commit or tree is dirty
  52         echo "${svn_ver}M"
  53 }
  54
  55
  56 _version="`cat VERSION`"
  57
  58 if [ -d .svn ]; then
  59         if which svnversion > /dev/null; then
  60                 _version="$_version-`svnversion`"
  61         else
  62                 _version="$_version-`sed -n '/^dir$/{n;p;q;}' .svn/entries`"
  63         fi
  64 elif which git > /dev/null && in_git_repository; then
  65         git_ext=$(git_svn_version)
  66         if [ -n "${git_ext}" ]; then
  67                 _version="$_version-${git_ext}"
  68         fi
  69 fi
  70
  71 echo "$_version"
  72
  73 exit 0