debian/git.postinst

   1 #!/bin/sh
   2 set -e
   3 test "$1" = configure || exit 0
   4
   5 # Snippet based on dpkg-maintscript-helper from dpkg 1.15.8.  Using a
   6 # home-grown snippet instead of using Pre-Depends: dpkg (>= 1.15.7)
   7 # makes the package easier to try out on old systems without requiring
   8 # new dpkg in these early times.
   9 #
  10 # Kind reader of the future: it's about time to rip this out and use a
  11 # call to dpkg-maintscript-helper, don't you think?
  12 rm_conffile () {
  13   CONFFILE=$1; shift
  14   if dpkg --compare-versions "$2" lt-nl "$3"; then
  15     if test -e "$CONFFILE.dpkg-backup"; then
  16       mv -f "$CONFFILE.dpkg-backup" "$CONFFILE.dpkg-bak"
  17     fi
  18     if test -e "$CONFFILE.dpkg-remove"; then
  19       echo "Removing $CONFFILE ..."
  20       rm -f "$CONFFILE.dpkg-remove"
  21     fi
  22   fi
  23 }
  24
  25 rm_conffile /etc/bash_completion.d/git "$1" "$2" '1:1.8.0-1~'
  26
  27 removed_conffile=/etc/emacs/site-start.d/50git-core.el
  28 rm_conffile "$removed_conffile" "$1" "$2" '1:1.7.4.1-2~'
  29
  30 # Carry over modifications so git-el can use them.
  31 if dpkg --compare-versions "$2" lt '1:1.7.4.1-2~' &&
  32    ! test -e "$removed_conffile" &&
  33    test -r "$removed_conffile".dpkg-bak; then
  34   mv "$removed_conffile".dpkg-bak "$removed_conffile"
  35 fi
  36
  37 # 1.7.7-1 replaces /usr/share/doc/git/contrib/hooks with a symlink,
  38 # but dpkg doesn't do so on package upgrade
  39 if test -n "$2" && dpkg --compare-versions "$2" lt '1:1.7.7-1' &&
  40    test ! -L /usr/share/doc/git/contrib/hooks &&
  41    test -d /usr/share/doc/git/contrib/hooks; then
  42   rmdir /usr/share/doc/git/contrib/hooks &&
  43   ln -s ../../../git-core/contrib/hooks \
  44     /usr/share/doc/git/contrib/hooks
  45 fi