dotfiles/.init_config.sh

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#!/bin/bash
# Environments
LAPTOP="laptop"
DESKTOP="desk"
ENV_EXT_REGEXP=".*\.${LAPTOP}|.*\.${DESKTOP}"
# Special filename for external config path
DEST_FILENAME="dest"
# Special configuration filename
BASE_CONFIG="config_common"
MERGE_CONFIG_FOLDER="config.d"
FINAL_CONFIG="config"
# Special directories with per-environment configuration merge
I3_CONFIG="i3"
POLYBAR_CONFIG="polybar"
ARCH_PACKAGES="bootstrap"
MERGE_DIRS="${I3_CONFIG} ${POLYBAR_CONFIG} ${ARCH_PACKAGES}"
changed_files="$(git --git-dir=$HOME/.cfg/ --work-tree=$HOME diff-tree -r --name-status --no-commit-id HEAD^1 HEAD)"
# Check if a file has been modified and deleted since last commit, if so perform an action
# $1 : absolute path of the file
# $2 : command to launch if file has been created of modifed
# $3 : command to launch if file has been deleted
function check_copy() {
# When initializing, always copy files
if [ ! -z ${INIT} ]; then
echo -e "* Running \"$2\"" && eval "$2"
return
fi
changed_file=`grep "${1#$HOME/}" <<< "${changed_files}"`
if [ ! -z "${changed_file}" ]; then
if echo "$changed_file" | grep -q -E "^D"; then
echo "* $1 has been removed"
echo -e "\t* Running \"$3\"" && eval "$3"
fi
if echo "$changed_file" | grep -q -E "^(A|M)"; then
echo "* Changes detected in $(basename $1)"
echo -e "\t* Running \"$2\"" && eval "$2"
fi
else
echo "$1 not modified, no need to copy"
fi
}
# Generates a `config` file in $1, by merging a required $1/{MERGE_CONFIG_FOLDER} file
# with an optional `$1/config.d/$2` file. This is useful for having
# a common base for multiple computer, and per-computer stuff.
# $1 : path of the folder
# $2 : optional current environment
# $3 : if defined, prepend $2 instead of appending
function merge_config() {
echo -e "\n=== Generate ${m} config file ==="
rm -f ${CONFIG}/${m}/${FINAL_CONFIG}
# Copy common config
cp ${CONFIG}/${m}/${BASE_CONFIG} ${CONFIG}/${m}/${FINAL_CONFIG}
echo "${CONFIG}/${m}/${FINAL_CONFIG} created"
# If there is an override folder, merge given env
if [ ! -z ${2} ] && [ -d ${CONFIG}/${m}/${MERGE_CONFIG_FOLDER} ]; then
for f in `find ${CONFIG}/${m}/config.d -type f -path "*${2}"`; do
final_path=${CONFIG}/${m}/${FINAL_CONFIG}
if [ -z $3 ]; then
echo "Found ${f}, append to regular config file"
cat "${f}" >> ${final_path}
else
echo "Found ${f}, prepend to regular config file"
cat ${f} > /tmp/config
echo -e '\n' >> /tmp/config
cat ${final_path} >> /tmp/config
mv /tmp/config ${final_path}
fi
done
fi
}
function usage() {
echo "${0}: manage package installation, environment divergence and external location for config, see README."
echo "usage: [WM_RESTART=1] [INIT=1] $0 [${ENVIRONMENTS}]"
exit 0
}
# Use XDG_CONFIG_HOME if defined, default otherwise
CONFIG=${XDG_CONFIG_HOME:-$HOME/.config}
ENV=${1}
for m in ${MERGE_DIRS}; do
if [ -f "${CONFIG}/${m}/${MERGE_CONFIG_FOLDER}/above" ]; then
merge_config $m ${ENV} true
else
merge_config $m ${ENV}
fi
done
if [ ! -z "$INIT" ]; then
echo -e "* Installing base Arch packages..."
yay -Syu --needed --noconfirm - < ${CONFIG}/${ARCH_PACKAGES}/${FINAL_CONFIG}
echo -e "* Changing shell to ZSH..."
sudo chsh -s $(which zsh)
# https://man.archlinux.org/man/rofi-dmenu.5
echo -e "* Symlink dmenu → rofi..."
sudo ln -sf /usr/bin/rofi /usr/bin/dmenu
echo -e "* Enabling required systemd units..."
sudo systemctl enable --now NetworkManager
sudo systemctl enable --now systemd-timesyncd
sudo systemctl enable --now cups
# iwd will be used as a backend for NetworkManager
sudo systemctl disable wpa_supplicant
echo -e "* Ensure hardware clock is up to date..."
sudo hwclock --systohc
# So that "Open in Terminal" works inc Nemo
echo -e "* Make 'Open Terminal' work in Nemo..."
gsettings set org.cinnamon.desktop.default-applications.terminal exec i3-sensible-terminal
# For screenshots
echo -e "* Install pychee for uploading screenshots on Lychee..."
pip install --break-system-packages pychee
# Additionnal plugins for ZSH
echo -e "* Install ZSH plugins for oh-my-zsh..."
sudo git clone https://github.com/zsh-users/zsh-syntax-highlighting.git /usr/share/oh-my-zsh/plugins/zsh-syntax-highlighting
sudo git clone https://github.com/zsh-users/zsh-autosuggestions /usr/share/oh-my-zsh/plugins/zsh-autosuggestions
sudo git clone https://github.com/unixorn/fzf-zsh-plugin.git /usr/share/oh-my-zsh/plugins/fzf-zsh-plugin
# Basic directory structure
echo -e "* Create base home directories..."
mkdir -p ~/documents ~/images/screenshots ~/videos ~/downloads
echo -e "* Allow user to control brightness..."
sudo usermod $(whoami) -aG video
echo -e "* Allow user to administrate printers..."
sudo usermod $(whoami) -aG wheel
echo -e "* Install host app for PassFF Firefox extension..."
curl -sSL github.com/passff/passff-host/releases/latest/download/install_host_app.sh | bash -s -- firefox
echo -e "* Set Firefox to be the default browser, probably overwritten by Chromium..."
xdg-settings set default-web-browser firefox.desktop
fi
if [ ! -z ${ENV} ]; then
echo -e "\n=== Create symlink to *.${ENV} regular files ==="
# Take all specific files and create a symlink pointing to it without the extension
# This file will be used by applications
for f in `find ${CONFIG} -type f -name "*.${ENV}"`; do
echo "${f%.*}${f}"
ln -sf ${f} ${f%.*}
done
# Take care of config files at home level, outside ${CONFIG} (e.g. Xresources)
for f in `find ${HOME} -maxdepth 1 -mindepth 1 -type f -name "*.${ENV}"`; do
echo "${f%.*}${f}"
ln -sf ${f} ${f%.*}
done
fi
echo -e "\n=== Copy changed configuration which resides in outer directory ==="
# Destination files are regular files
for f in `find ${CONFIG} -type f -name ${DEST_FILENAME}`; do
DIR=`dirname "${f}"`
DEST=`cat ${f}`
# Get all files, either regular files or symlinks, which are not the destination file nor specific desktop/laptop files
# This is because if desktop/laptop files exist, they already have a symlink pointing to them at this stage
# We want to get the path relative to the directory we are searching in, so subfolders are kept when copying
for config_file in `find ${DIR} -regextype posix-extended -mindepth 1 \( -type f -o -type l \) -not \( -regex "${ENV_EXT_REGEXP}" -o -name "${DEST_FILENAME}" \) -exec realpath --relative-to ${DIR} {} \;`; do
# If we have to copy to a subfolder, extract it
if echo ${config_file} | grep -q '/'; then
subfolder=${config_file%/*}
else
subfolder=''
fi
filename=${config_file##*/}
# Now copy to destination
real_dest=${DEST}/${subfolder}
sudo mkdir -p ${real_dest}
absolute_source=`realpath "${DIR}/${config_file}"`
check_copy "${absolute_source}" "sudo cp ${absolute_source} ${real_dest}" "sudo rm ${real_dest}/${filename}"
done
done
if [ ! -z "${WM_RESTART}" ]; then
echo -e "\n=== Restart graphical environment ==="
# Reload i3 configuration
i3-msg restart
# Restart picom due to this bug https://github.com/yshui/picom/issues/166
killall picom; picom &>/dev/null &
fi