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freedombonee/src/freedombone-app-emacs

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Emacs application
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
VARIANTS='full'
IN_DEFAULT_INSTALL=1
emacs_variables=(USB_MOUNT
MY_USERNAME)
function change_password_emacs {
echo -n ''
}
function reconfigure_emacs {
echo -n ''
}
function upgrade_emacs {
echo -n ''
}
function backup_local_emacs {
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ -d /home/$USERNAME/.emacs.d ]; then
echo $"Backing up Emacs config for $USERNAME"
if [ -f /home/$USERNAME/.emacs ]; then
cp /home/$USERNAME/.emacs /home/$USERNAME/.emacs.d/dotemacs
fi
function_check backup_directory_to_usb
backup_directory_to_usb /home/$USERNAME/.emacs.d emacs/$USERNAME
fi
fi
done
}
function restore_local_emacs {
temp_restore_dir=/root/tempemacs
if [ -d $USB_MOUNT/backup/emacs ]; then
for d in $USB_MOUNT/backup/emacs/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ ! -d /home/$USERNAME ]; then
${PROJECT_NAME}-adduser $USERNAME
fi
echo $"Restoring Emacs config for $USERNAME"
function_check restore_directory_from_usb
restore_directory_from_usb $temp_restore_dir emacs/$USERNAME
cp -r $temp_restore_dir/home/$USERNAME/.emacs.d /home/$USERNAME/
if [ ! "$?" = "0" ]; then
rm -rf $temp_restore_dir
function_check set_user_permissions
set_user_permissions
function_check backup_unmount_drive
backup_unmount_drive
exit 664
fi
cp -f $temp_restore_dir/home/$USERNAME/.emacs.d/dotemacs /home/$USERNAME/.emacs
rm -rf $temp_restore_dir
fi
done
fi
}
function backup_remote_emacs {
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ -d /home/$USERNAME/.emacs.d ]; then
echo $"Backing up Emacs config for $USERNAME"
if [ -f /home/$USERNAME/.emacs ]; then
cp /home/$USERNAME/.emacs /home/$USERNAME/.emacs.d/dotemacs
fi
function_check backup_directory_to_friend
backup_directory_to_friend /home/$USERNAME/.emacs.d emacs/$USERNAME
fi
fi
done
}
function restore_remote_emacs {
temp_restore_dir=/root/tempemacs
if [ -d $USB_MOUNT/backup/emacs ]; then
for d in $USB_MOUNT/backup/emacs/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ ! -d /home/$USERNAME ]; then
${PROJECT_NAME}-adduser $USERNAME
fi
echo $"Restoring Emacs config for $USERNAME"
function_check restore_directory_from_friend
restore_directory_from_friend $temp_restore_dir emacs/$USERNAME
cp -r $temp_restore_dir/home/$USERNAME/.emacs.d /home/$USERNAME/
if [ ! "$?" = "0" ]; then
rm -rf $temp_restore_dir
function_check set_user_permissions
set_user_permissions
function_check backup_unmount_drive
backup_unmount_drive
exit 664
fi
cp -f $temp_restore_dir/home/$USERNAME/.emacs.d/dotemacs /home/$USERNAME/.emacs
rm -rf $temp_restore_dir
fi
done
fi
}
function remove_emacs {
apt-get -yq remove --purge emacs24
update-alternatives --set editor /usr/bin/nano
sed -i '/install_emacs/d' $COMPLETION_FILE
# remove emacs as the mutt email editor
if [ -f /etc/Muttrc ]; then
if grep -q "set editor=" /etc/Muttrc; then
sed -i '/set editor=/d' /etc/Muttrc
fi
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ -f /home/$USERNAME/.muttrc ]; then
if grep -q "set editor=" /home/$USERNAME/.muttrc; then
sed -i '/set editor=/d' /home/$USERNAME/.muttrc
fi
fi
fi
done
fi
}
function install_emacs {
apt-get -yq install emacs24
update-alternatives --set editor /usr/bin/emacs24
# A minimal emacs configuration
#echo -n "(add-to-list 'load-path " > /home/$MY_USERNAME/.emacs
#echo '"~/.emacs.d/")' >> /home/$MY_USERNAME/.emacs
#echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Remove trailing whitepace ======================================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo ";;(add-hook 'before-save-hook 'delete-trailing-whitespace)" >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo ';; Goto a line number with CTRL-l' >> /home/$MY_USERNAME/.emacs
echo -n '(global-set-key "\C-l" ' >> /home/$MY_USERNAME/.emacs
echo "'goto-line)" >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Show line numbers ==============================================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo "(add-hook 'find-file-hook (lambda () (linum-mode 1)))" >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Enable line wrapping in org-mode ===============================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo " (add-hook 'org-mode-hook" >> /home/$MY_USERNAME/.emacs
echo " '(lambda ()" >> /home/$MY_USERNAME/.emacs
echo " (visual-line-mode 1)))" >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Enable shift select in org mode ================================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo '(setq org-support-shift-select t)' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Set standard indent to 4 rather that 4 =========================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo '(setq standard-indent 4)' >> /home/$MY_USERNAME/.emacs
echo '(setq-default tab-width 4)' >> /home/$MY_USERNAME/.emacs
echo '(setq c-basic-offset 4)' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Support Wheel Mouse Scrolling ==================================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo '(mouse-wheel-mode t)' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Place Backup Files in Specific Directory =======================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo '(setq make-backup-files t)' >> /home/$MY_USERNAME/.emacs
echo '(setq version-control t)' >> /home/$MY_USERNAME/.emacs
echo '(setq backup-directory-alist (quote ((".*" . "~/.emacs_backups/"))))' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Make Text mode the default mode for new buffers ================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo "(setq default-major-mode 'text-mode)" >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Line length ====================================================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo '(setq-default fill-column 72)' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Enable Line and Column Numbering ===============================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo '(line-number-mode 1)' >> /home/$MY_USERNAME/.emacs
echo '(column-number-mode 1)' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Turn on Auto Fill mode automatically in all modes ==============' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo ';; Auto-fill-mode the the automatic wrapping of lines and insertion of' >> /home/$MY_USERNAME/.emacs
echo ';; newlines when the cursor goes over the column limit.' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo ';; This should actually turn on auto-fill-mode by default in all major' >> /home/$MY_USERNAME/.emacs
echo ';; modes. The other way to do this is to turn on the fill for specific modes' >> /home/$MY_USERNAME/.emacs
echo ';; via hooks.' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo '(setq auto-fill-mode 1)' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo $';; ===== Enable GPG encryption =========================================' >> /home/$MY_USERNAME/.emacs
echo '' >> /home/$MY_USERNAME/.emacs
echo "(require 'epa)" >> /home/$MY_USERNAME/.emacs
echo '(epa-file-enable)' >> /home/$MY_USERNAME/.emacs
cp /home/$MY_USERNAME/.emacs /root/.emacs
chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.emacs
# add a mutt entry to use emacs to compose emails
if [ -f /etc/Muttrc ]; then
if ! grep -q "set editor=" /etc/Muttrc; then
echo 'set editor="emacs -q --load ~/.emacs-mutt"' >> /etc/Muttrc
else
sed -i 's|set editor=.*|set editor="emacs -q --load ~/.emacs-mutt"|g' /etc/Muttrc
fi
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ -f /home/$USERNAME/.muttrc ]; then
if ! grep -q "set editor=" /home/$USERNAME/.muttrc; then
echo 'set editor="emacs -q --load ~/.emacs-mutt"' >> /home/$USERNAME/.muttrc
else
sed -i 's|set editor=.*|set editor="emacs -q --load ~/.emacs-mutt"|g' /home/$USERNAME/.muttrc
fi
fi
# create an Emacs configuration specifically for use with Mutt, which
# has word wrap and spell checking on by default
if [ ! -f /home/$USERNAME/.emacs-mutt ]; then
echo "(add-hook 'before-save-hook 'delete-trailing-whitespace)" > /home/$USERNAME/.emacs-mutt
echo '(setq org-support-shift-select t)' >> /home/$USERNAME/.emacs-mutt
echo '(setq standard-indent 4)' >> /home/$USERNAME/.emacs-mutt
echo '(setq-default tab-width 4)' >> /home/$USERNAME/.emacs-mutt
echo '(setq c-basic-offset 4)' >> /home/$USERNAME/.emacs-mutt
echo '(mouse-wheel-mode t)' >> /home/$USERNAME/.emacs-mutt
echo '(setq make-backup-files t)' >> /home/$USERNAME/.emacs-mutt
echo '(setq version-control t)' >> /home/$USERNAME/.emacs-mutt
echo '(setq backup-directory-alist (quote ((".*" . "~/.emacs_backups/"))))' >> /home/$USERNAME/.emacs-mutt
echo "(setq default-major-mode 'text-mode)" >> /home/$USERNAME/.emacs-mutt
echo "(dolist (hook '(text-mode-hook))" >> /home/$USERNAME/.emacs-mutt
echo ' (add-hook hook (lambda () (flyspell-mode 1))))' >> /home/$USERNAME/.emacs-mutt
echo '(setq-default fill-column 72)' >> /home/$USERNAME/.emacs-mutt
echo '(setq auto-fill-mode 0)' >> /home/$USERNAME/.emacs-mutt
echo "(add-hook 'text-mode-hook 'turn-on-auto-fill)" >> /home/$USERNAME/.emacs-mutt
echo "(setq-default auto-fill-function 'do-auto-fill)" >> /home/$USERNAME/.emacs-mutt
chown $USERNAME:$USERNAME /home/$USERNAME/.emacs-mutt
# add the emacs mutt configuration to the user profile skeleton
if [ ! -f /etc/skel/.emacs-mutt ]; then
cp /home/$USERNAME/.emacs-mutt /etc/skel/.emacs-mutt
chown root:root /etc/skel/.emacs-mutt
fi
fi
fi
done
fi
APP_INSTALLED=1
}
function install_interactive_emacs {
install_emacs
}
# NOTE: deliberately no exit 0
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