zimfw/tools/zim_update

#
# zim_update - update the zim repository
#

cd ${ZIM_HOME}

# this is the cleanest way I know how to update a repository
git remote update -p
git merge --ff-only @\{u\}
# and update the submodules
git submodule update --init --recursive

# Source user configuration
[[ -s ${ZDOTDIR:-${HOME}}/.zimrc ]] && source ${ZDOTDIR:-${HOME}}/.zimrc

# Update zmodules
for zmodule in ${zmodules}; do
  dir=${${${zmodule%/}%.git}##*/}
  if [ -d ${ZIM_HOME}/modules/${dir} ]; then

    echo "\nUpdating ${zmodule} module."
    cd ${ZIM_HOME}/modules/${dir}

    # update the modules repository
    git remote update -p
    git merge --ff-only @\{u\}

    # and update the submodules
    git submodule update --init --recursive

  else
      print "No such module \"${zmodule}\", run \"zmanage install\" to install missing modules" >&2
  fi
done