ambevar-dotfiles/.local/bin/homesync

#!/bin/sh

usage() {
	cat <<EOF>&2
Usage: ${0##*/}

Sync home folder.

Options:

  -p: Push upstream.
  -d DEVICE: Device where to store ~/.gnupg

EOF
	exit
}

OPT_UPDATE=false
OPT_DEVICE=""
while getopts ":hd:p" opt; do
	case $opt in
	h)
		usage
		exit ;;
	p)
		OPT_UPDATE=true ;;
	d)
		OPT_DEVICE="$OPTARG" ;;
	\?)
		usage
		exit 1 ;;
	esac
done

shift $(($OPTIND - 1))

PERSONAL_FOLDER="$HOME/personal"
[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
[ -z "$XDG_DATA_HOME" ] && XDG_DATA_HOME="$HOME/.local/share"

RED='\033[0;31m\033[1m'
GREEN='\033[0;32m\033[1m'
YELLOW='\033[0;33m\033[1m'
BOLD='\033[0m\033[1m'
NORMAL='\033[0m'

section() {
	echo -e "$GREEN==> $@$NORMAL"
}
message() {
	echo -e "$YELLOW:: $@$NORMAL"
}

section Data index
DATAROOT=/media/$(ls -1 /media)
for i in "$DATAROOT"/*; do
	mkdir -p ~/personal/index/
	case "$i" in
	*/locate.db|*/lost+found|*/Sync*)
		continue ;;
	*/games|*/videos)
		for j in "$i"/*; do
			folder=$(basename $(dirname "$j"))
			mkdir -p ~/personal/index/"$folder"
			dataindex "$j" > ~/personal/index/"$folder"/"$(basename "$j")".index
			unset folder
		done
		continue ;;
	*/personal_data)
		for j in "$i"/*; do
			mkdir -p ~/personal/index/personal_data
			## TODO: Discard empty results?
			dataindex "$j" | gpg --encrypt --recipient mail@ambrevar.xyz \
													 --output - > ~/personal/index/personal_data/"$(basename "$j")".index.gpg
		done
		continue ;;
	*)
		dataindex "$i" > ~/personal/index/"$(basename "$i")".index ;;
	esac
done

if [ -n "$OPT_DEVICE" ]; then
	section "GnuPG"
	sudo cryptsetup open "$OPT_DEVICE" gpg_backup
	sudo mount /dev/mapper/gpg_backup /mnt
	tar -C ~ --exclude='*.conf' -cf /mnt/gnugpg-backup-$(date +%F).tar .gnupg
	sudo umount /mnt
	sudo cryptsetup close gpg_backup
fi

section "$HOME/.package-lists"
package-lister

project_status() {
	local path=$1
	local title=$2
	local body=$3

	[ -z "$body" ] && return

	if $CHANGED; then
		section "$path"
		CHANGED=false
	fi
	message "$title"
	echo "$body"
}

for i in ~/dotfiles ~/.password-store ~/personal ~/projects/* ~/.local/share/emacs/site-lisp/* "$@"; do
	[ ! -d "$i/.git" ] && continue
	CHANGED=true
	push=$(git -C "$i" rev-parse --abbrev-ref --symbolic-full-name @{push} 2>&1)
	if [ $? -eq 0 ]; then
		unmerged=$(git -C "$i" log --oneline  "$push"..)
		project_status "$i" "Unpushed commits" "$unmerged"
	else
		project_status "$i" "Unpushed commits" "No 'push' remote"
	fi
	project_status "$i" "Unstaged files" "$(git -C "$i" diff --name-only)"
	project_status "$i" "Staged files" "$(git -C "$i" diff --name-only --cached)"
	if $OPT_UPDATE && [ -n "$unmerged" ]; then
		message "Pushing"
		git -C "$i" push
	fi
done