freedombone/src/freedombone-app-emacs

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Emacs application
#
# License
# =======
#
# Copyright (C) 2014-2018 Bob Mottram <bob@freedombone.net>
#
# 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
SHOW_ON_ABOUT=0
emacs_variables=(USB_MOUNT
MY_USERNAME
DEFAULT_LANGUAGE)
function logging_on_emacs {
echo -n ''
}
function logging_off_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/$USERNAME"
if [ -d "$temp_restore_dir/home/$USERNAME/.emacs.d" ]; then
cp -r "$temp_restore_dir/home/$USERNAME/.emacs.d" "/home/$USERNAME/"
else
if [ ! -d "/home/$USERNAME/.emacs.d" ]; then
mkdir "/home/$USERNAME/.emacs.d"
fi
cp -r "$temp_restore_dir/"* "/home/$USERNAME/.emacs.d"
fi
# shellcheck disable=SC2181
if [ ! "$?" = "0" ]; then
rm -rf $temp_restore_dir
function_check set_user_permissions
set_user_permissions
function_check backup_unmount_drive
backup_unmount_drive
exit 664
fi
if [ -d "$temp_restore_dir/home/$USERNAME/.emacs.d" ]; then
cp -f "$temp_restore_dir/home/$USERNAME/.emacs.d/dotemacs" "/home/$USERNAME/.emacs"
else
cp -f "$temp_restore_dir/dotemacs" "/home/$USERNAME/.emacs"
fi
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/$USERNAME"
if [ -d "$temp_restore_dir/home/$USERNAME/.emacs.d" ]; then
cp -r "$temp_restore_dir/home/$USERNAME/.emacs.d" "/home/$USERNAME/"
else
if [ ! -d "/home/$USERNAME/.emacs.d" ]; then
mkdir "/home/$USERNAME/.emacs.d"
fi
cp -r "$temp_restore_dir/"* "/home/$USERNAME/.emacs.d/"
fi
# shellcheck disable=SC2181
if [ ! "$?" = "0" ]; then
rm -rf $temp_restore_dir
function_check set_user_permissions
set_user_permissions
function_check backup_unmount_drive
backup_unmount_drive
exit 664
fi
if [ -d "$temp_restore_dir/home/$USERNAME/.emacs.d" ]; then
cp -f "$temp_restore_dir/home/$USERNAME/.emacs.d/dotemacs" "/home/$USERNAME/.emacs"
else
cp -f "$temp_restore_dir/dotemacs" "/home/$USERNAME/.emacs"
fi
rm -rf $temp_restore_dir
fi
done
fi
}
function remove_emacs {
apt-get -yq remove --purge emacs
update-alternatives --set editor /usr/bin/nano
sed -i '/install_emacs/d' "$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/$USERNAME/.muttrc"
fi
fi
fi
done
fi
}
function install_emacs {
apt-get -yq install emacs ispell ibritish ifrench ispanish iitalian irussian iswedish inorwegian iirish ingerman iswiss iogerman idutch idanish ibrazilian ibulgarian ipolish iczech iestonian ilithuanian iukrainian icatalan
update-alternatives --set editor /usr/bin/emacs24
# A minimal emacs configuration
#echo -n "(add-to-list 'load-path " > /home/$MY_USERNAME/.emacs
#echo '"~/.emacs.d/")' >> /home/$MY_USERNAME/.emacs
#echo '' >> /home/$MY_USERNAME/.emacs
{ echo $';; ===== Remove trailing whitepace ======================================';
echo '';
echo ";;(add-hook 'before-save-hook 'delete-trailing-whitespace)";
echo '';
echo ';; Goto a line number with CTRL-l';
echo -n '(global-set-key "\C-l" ';
echo "'goto-line)";
echo '';
echo $';; ===== Show line numbers ==============================================';
echo '';
echo "(add-hook 'find-file-hook (lambda () (linum-mode 1)))";
echo '';
echo $';; ===== Enable line wrapping in org-mode ===============================';
echo '';
echo " (add-hook 'org-mode-hook";
echo " '(lambda ()";
echo " (visual-line-mode 1)))";
echo '';
echo $';; ===== Enable shift select in org mode ================================';
echo '';
echo '(setq org-support-shift-select t)';
echo '';
echo $';; ===== Set standard indent to 4 rather that 4 =========================';
echo '';
echo '(setq standard-indent 4)';
echo '(setq-default tab-width 4)';
echo '(setq c-basic-offset 4)';
echo '';
echo $';; ===== Support Wheel Mouse Scrolling ==================================';
echo '';
echo '(mouse-wheel-mode t)';
echo '';
echo $';; ===== Place Backup Files in Specific Directory =======================';
echo '';
echo '(setq make-backup-files t)';
echo '(setq version-control t)';
echo '(setq backup-directory-alist (quote ((".*" . "~/.emacs_backups/"))))';
echo '';
echo $';; ===== Make Text mode the default mode for new buffers ================';
echo '';
echo "(setq default-major-mode 'text-mode)";
echo '';
echo $';; ===== Line length ====================================================';
echo '';
echo '(setq-default fill-column 72)';
echo '';
echo $';; ===== Enable Line and Column Numbering ===============================';
echo '';
echo '(line-number-mode 1)';
echo '(column-number-mode 1)';
echo '';
echo $';; ===== Turn on Auto Fill mode automatically in all modes ==============';
echo '';
echo ';; Auto-fill-mode the the automatic wrapping of lines and insertion of';
echo ';; newlines when the cursor goes over the column limit.';
echo '';
echo ';; This should actually turn on auto-fill-mode by default in all major';
echo ';; modes. The other way to do this is to turn on the fill for specific modes';
echo ';; via hooks.';
echo '';
echo '(setq auto-fill-mode 1)';
echo '';
echo $';; ===== Enable GPG encryption =========================================';
echo '';
echo "(require 'epa)";
echo '(epa-file-enable)'; } >> "/home/$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/$USERNAME/.emacs-mutt" ]; then
{ echo "(add-hook 'before-save-hook 'delete-trailing-whitespace)";
echo '(setq org-support-shift-select t)';
echo '(setq standard-indent 4)';
echo '(setq-default tab-width 4)';
echo '(setq c-basic-offset 4)';
echo '(mouse-wheel-mode t)';
echo '(setq make-backup-files t)';
echo '(setq version-control t)';
echo '(setq backup-directory-alist (quote ((".*" . "~/.emacs_backups/"))))';
echo "(setq default-major-mode 'text-mode)";
echo "(dolist (hook '(text-mode-hook))";
echo ' (add-hook hook (lambda () (flyspell-mode 1))))';
echo '(setq-default fill-column 72)'; } > "/home/$USERNAME/.emacs-mutt"
if [[ $DEFAULT_LANGUAGE == 'en_US'* ]]; then
echo '(setq ispell-dictionary "american")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'en_GB'* ]]; then
echo '(setq ispell-dictionary "british")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'fr_FR'* ]]; then
echo '(setq ispell-dictionary "french")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'it_IT'* ]]; then
echo '(setq ispell-dictionary "italian")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'cs_CZ'* ]]; then
echo '(setq ispell-dictionary "czech")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'da_DK'* ]]; then
echo '(setq ispell-dictionary "danish")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'nl_NL'* ]]; then
echo '(setq ispell-dictionary "dutch")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'ru_RU'* ]]; then
echo '(setq ispell-dictionary "russian")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'es_ES'* ]]; then
echo '(setq ispell-dictionary "spanish")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'sv_SE'* ]]; then
echo '(setq ispell-dictionary "swedish")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'no_NO'* ]]; then
echo '(setq ispell-dictionary "norwegian")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'de_DE'* ]]; then
echo '(setq ispell-dictionary "ngerman")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'bg_BG'* ]]; then
echo '(setq ispell-dictionary "bulgarian")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'pl'* ]]; then
echo '(setq ispell-dictionary "polish")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'et_EE'* ]]; then
echo '(setq ispell-dictionary "estonian")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'lt_LT'* ]]; then
echo '(setq ispell-dictionary "lithuanian")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'uk_UA'* ]]; then
echo '(setq ispell-dictionary "ukranian")' >> "/home/$USERNAME/.emacs-mutt"
fi
if [[ $DEFAULT_LANGUAGE == 'ca_ES'* ]]; then
echo '(setq ispell-dictionary "catalan")' >> "/home/$USERNAME/.emacs-mutt"
fi
{ echo '(setq auto-fill-mode 0)';
echo "(add-hook 'text-mode-hook 'turn-on-auto-fill)";
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