#!/bin/bash
##Simple script to run Restic backups
source $SCRIPTS/Okiru
source /etc/environment
logging Restic

#Safety function; accepts repository to check
safety(){
	REPOSITORY="$1"
	#Check no other Restic process is using this repository; Free unnecessary locks, if present
	if [[ -n $(ps aux | grep restic | grep "$REPOSITORY") ]]; then
		warn "Repository $REPOSITORY is in use - ignoring"
		return 1
#		       ^ If there's a restic process holding the repository, leave it alone.
	else
		info "Repository $REPOSITORY is not in use - unlocking"
		restic -r b2:$REPOSITORY unlock
#				^ If a lock exists but no process, the repository is safe and should be unlocked.
	fi
}
#Backup function; accepts repository and path to backup
backup(){
	REPOSITORY="$1"
	REPOSITORY_PATH="$2"
	if safety "$REPOSITORY"; then
		#Run the backup
		if restic -r b2:"$REPOSITORY" backup "$REPOSITORY_PATH"; then
			ok "Path $REPOSITORY_PATH completed upload to $REPOSITORY."
			check "$REPOSITORY"
		else
			error "Repository $REPOSTIORY failed to upload path $REPOSITORY_PATH!"
		fi
	fi
}
check(){
	REPOSITORY="$1"
	if safety "$REPOSITORY"; then
		if restic -r b2:"$REPOSITORY" check; then
			ok "Repository $REPOSITORY passed integrity check!"
			clean "$REPOSITORY"
		else
			error "Repository $REPOSITORY failed integrity check!"
		fi
	fi
}
clean(){
	REPOSITORY="$1"
	if safety "$REPOSITORY"; then
		if restic -r b2:"$REPOSITORY" prune; then
			ok "Repository $REPOSITORY is trim!"
		else
			error "Repository $REPOSITORY failed to prune!"
		fi
	fi
}
#Pictures
backup Gerbil-TK /Red-Vol/Media/Pictures/
#Containers
backup Pukeko-XYZ-Containers /Red-Vol/Media/Containers
#Cloud 
backup Pukeko-XYZ-Cloud /Red-Vol/Media/Cloud/Syncthing