load

# Copyright (c) 2014 Greg Kitson https://github.com/awaxa
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#
# loads rc.d files for the current shell
#
# example behavior given the following assumptions,
#   the command reported by ps for the current process is 'bash'
#   the kernel reported by uname is 'Linux'
# this script will load files in $dir that match this pattern in alphabetical
# order:
#   *.all
#   *.all.linux
#   *.all.bash
#   *.all.bash.linux
# any of the above with .interactive appended will be loaded for interactive
# sessions only
#
# to protect itself from nullglob errors, the script will touch a set of empty
# files named 00-nullglob-safety.*

dir=$HOME/.rc.d
shell=$( ps -o command $$ | grep -o '[a-z]*sh' )
kernel=$(uname -s | tr '[:upper:]' '[:lower:]')

if [ ! -f $dir/00-nullglob-safety.sh.$shell ] ; then
    for shell in all $shell ; do
       touch $dir/00-nullglob-safety.${shell}.${kernel}.interactive
       touch $dir/00-nullglob-safety.${shell}.$kernel
       touch $dir/00-nullglob-safety.${shell}.interactive
       touch $dir/00-nullglob-safety.$shell
   done
fi

profiles="$( echo $dir/*.all )"
profiles="$profiles $( echo $dir/*.all.$kernel )"
profiles="$profiles $( echo $dir/*.$shell )"
profiles="$profiles $( echo $dir/*.${shell}.$kernel )"
case $- in
    *i*)
        profiles="$profiles $( echo $dir/*.all.interactive )"
        profiles="$profiles $( echo $dir/*.all.${kernel}.interactive )"
        profiles="$profiles $( echo $dir/*.${shell}.interactive )"
        profiles="$profiles $( echo $dir/*.${shell}.${kernel}.interactive )"
        ;;
esac

for file in $( echo $profiles | xargs -n1 basename | sort ) ; do
    . $dir/$file
done

# vi: ft=sh

Future revisions will be tracked in my dotfiles repository, here.