V

   1 #!/bin/sh
   2
   3 inst_prefix=$(
   4         IFS=:
   5         for p in $PATH
   6         do
   7                 probed=${p%/git-active/bin}
   8                 if test "$probed" != "$p"
   9                 then
  10                         echo "$probed"
  11                         exit
  12                 fi
  13         done
  14         echo $HOME
  15 )
  16
  17 LF='
  18 '
  19 output=
  20 for v in maint master next jch seen
  21 do
  22         installed=$(
  23                 test -f "$inst_prefix/git-$v/bin/git" &&
  24                 "$inst_prefix/git-$v/bin/git" version
  25         )
  26         dirty=
  27         if version=$(expr "$installed" : '.*\.g\([0-9a-f]*\)$')
  28         then
  29                 :
  30         elif version=$(expr "$installed" : '.*\.g\([0-9a-f]*\)\.dirty$')
  31         then
  32                 dirty=" (with changes)"
  33         elif version=v$(expr "$installed" : \
  34                         'git version \(.*\)\.rc[0-9]*$')
  35         then
  36                 version="$version"-$(expr "$installed" : \
  37                         'git version .*\.\(rc[0-9]*\)$')
  38         else
  39                 version=v$(expr "$installed" : 'git version \(.*\)')
  40         fi
  41
  42         version=$(git rev-parse --verify "$version^0" 2>/dev/null)
  43         revision=$(git show-ref -s --verify "refs/heads/$v")
  44         if test "z$version" = "z$revision"
  45         then
  46                 in= out=
  47                 if test -z "$dirty"
  48                 then
  49                         installed=
  50                 else
  51                         installed="     $installed$dirty"
  52                 fi
  53         elif test -z "$version"
  54         then
  55                 in="\e[41;37m" out="\e[m"
  56                 installed="     none"
  57         else
  58                 installed=$(git describe --long $version)
  59                 case "$dirty" in
  60                 '')
  61                         ;;
  62                 ?*)
  63                         installed="$installed$dirty"
  64                 esac
  65                 in="\e[41;37m" out="\e[m" installed="     $installed"
  66         fi
  67         output="$output${output:+$LF}"
  68         output="$output$in$v$out$installed      $(git describe --long refs/heads/$v)"
  69 done
  70
  71 echo "$output"
  72 echo "$output" | sha1sum | sed -e 's/  .*//'