bash_completation.sh

# Check for interactive bash and that we haven't already been sourced.
if [ -n "$BASH_VERSION" -a -n "$PS1" -a -z "$BASH_COMPLETION_COMPAT_DIR" ]; then

# Check for recent enough version of bash.
bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
if [ $bmajor -gt 4 ] || [ $bmajor -eq 4 -a $bminor -ge 1 ]; then
    [ -r "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion" ] && \
        . "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion"
    if shopt -q progcomp && [ -r /usr/share/bash-completion/bash_completion ]; then
        # Source completion code.
        . /usr/share/bash-completion/bash_completion
    fi
fi
unset bash bmajor bminor

fi

gistfile1.txt

:~$ vim /etc/profile.d/
bash_completion.sh        Z97-byobu.sh              Z99-cloud-locale-test.sh

profile

if [ "$PS1" ]; then
  if [ "$BASH" ] && [ "$BASH" != "/bin/sh" ]; then
    # The file bash.bashrc already sets the default PS1.
    # PS1='\h:\w\$ '
    if [ -f /etc/bash.bashrc ]; then
      . /etc/bash.bashrc
    fi
  else
    if [ "`id -u`" -eq 0 ]; then
      PS1='# '
    else
      PS1='$ '
    fi
  fi
fi

# The default umask is now handled by pam_umask.
# See pam_umask(8) and /etc/login.defs.

if [ -d /etc/profile.d ]; then
  for i in /etc/profile.d/*.sh; do
    if [ -r $i ]; then
      . $i
    fi
  done
  unset i
fi

Z97-byobu.sh

#!/bin/sh
#    Z97-byobu.sh - allow any user to opt into auto-launching byobu
#    Copyright (C) 2011 Canonical Ltd.
#
#    Authors: Dustin Kirkland <kirkland@byobu.co>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 3 of the License.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Allow any user to opt into auto-launching byobu by setting LC_BYOBU=1
# Apologies for borrowing the LC_BYOBU namespace, but:
#  a) it's reasonable to assume that no one else is using LC_BYOBU
#  b) LC_* is sent and receieved by most /etc/ssh/ssh*_config
if [ -n "$LC_BYOBU" ] && [ "$LC_BYOBU" -gt 0 ] && [ -r "/usr/bin/byobu-launch" ]; then
	. /usr/bin/byobu-launch
elif [ "$LC_TERMTYPE" = "byobu" ] && [ -r "/usr/bin/byobu-launch" ]; then
	. /usr/bin/byobu-launch
elif [ "$LC_TERMTYPE" = "byobu-screen" ] && [ -r "/usr/bin/byobu-launch" ]; then
	export BYOBU_BACKEND="screen"
	. /usr/bin/byobu-launch
elif [ "$LC_TERMTYPE" = "byobu-tmux" ] && [ -r "/usr/bin/byobu-launch" ]; then
	export BYOBU_BACKEND="tmux"
	. /usr/bin/byobu-launch
fi

# vi: syntax=sh ts=4 noexpandtab

Z99-cloud-locale-test.sh

#!/bin/sh
# vi: ts=4 noexpandtab
#
# Author: Ben Howard <ben.howard@canonical.com>
# Author: Scott Moser <scott.moser@ubuntu.com>
# (c) 2012, Canonical Group, Ltd.
#
# Purpose: Detect invalid locale settings and inform the user
#  of how to fix them.
#

locale_warn() {
	local bad_names="" bad_lcs="" key="" val="" var="" vars=""
	local w1 w2 w3 w4 remain

	# if shell is zsh, act like sh only for this function (-L).
	# The behavior change will not permenently affect user's shell.
	[ "${ZSH_NAME+zsh}" = "zsh" ] && emulate -L sh

	# locale is expected to output either:
	# VARIABLE=
	# VARIABLE="value"
	# locale: Cannot set LC_SOMETHING to default locale
	while read -r w1 w2 w3 w4 remain; do
		case "$w1" in
			locale:) bad_names="${bad_names} ${w4}";;
			*)
				key=${w1%%=*}
				val=${w1#*=}
				val=${val#\"}
				val=${val%\"}
				vars="${vars} $key=$val";;
		esac
	done
	for bad in $bad_names; do
		for var in ${vars}; do
			[ "${bad}" = "${var%=*}" ] || continue
			val=${var#*=}
			[ "${bad_lcs#* ${val}}" = "${bad_lcs}" ] &&
        			bad_lcs="${bad_lcs} ${val}"
			break
		done
	done
	bad_lcs=${bad_lcs# }
	[ -n "$bad_lcs" ] || return 0

	printf "_____________________________________________________________________\n"
	printf "WARNING! Your environment specifies an invalid locale.\n"
	printf " This can affect your user experience significantly, including the\n"
	printf " ability to manage packages. You may install the locales by running:\n\n"

	local bad invalid="" to_gen="" sfile="/usr/share/i18n/SUPPORTED"
	local pkgs=""
	if [ -e "$sfile" ]; then
		for bad in ${bad_lcs}; do
			grep -q -i "${bad}" "$sfile" &&
				to_gen="${to_gen} ${bad}" ||
				invalid="${invalid} ${bad}"
		done
	else
		printf "  sudo apt-get install locales\n"
		to_gen=$bad_lcs
	fi
	to_gen=${to_gen# }

	local pkgs=""
	for bad in ${to_gen}; do
		pkgs="${pkgs} language-pack-${bad%%_*}"
	done
	pkgs=${pkgs# }

	if [ -n "${pkgs}" ]; then
		printf "   sudo apt-get install ${pkgs# }\n"
		printf "     or\n"
		printf "   sudo locale-gen ${to_gen# }\n"
		printf "\n"
	fi
	for bad in ${invalid}; do
        	printf "WARNING: '${bad}' is an invalid locale\n"
	done

	printf "To see all available language packs, run:\n"
	printf "   apt-cache search \"^language-pack-[a-z][a-z]$\"\n"
	printf "To disable this message for all users, run:\n"
	printf "   sudo touch /var/lib/cloud/instance/locale-check.skip\n"
	printf "_____________________________________________________________________\n\n"

	# only show the message once
	: > ~/.cloud-locale-test.skip 2>/dev/null || :
}

[ -f ~/.cloud-locale-test.skip -o -f /var/lib/cloud/instance/locale-check.skip ] ||
	locale 2>&1 | locale_warn

unset locale_warn