From 47b526920d2b08ce6cfa3de813e2762304d4f9a8 Mon Sep 17 00:00:00 2001
From: Andrew Davidson <andrew@amdavidson.com>
Date: Wed, 19 Feb 2020 20:17:13 -0500
Subject: [PATCH] initial commit

---
 backup.sh | 165 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100755 backup.sh

diff --git a/backup.sh b/backup.sh
new file mode 100755
index 0000000..6650c1d
--- /dev/null
+++ b/backup.sh
@@ -0,0 +1,165 @@
+#!/usr/bin/env bash
+
+print_ascii () {
+cat <<'EOF'
+ _                _                     _     
+| |__   __ _  ___| | ___   _ _ __   ___| |__  
+| '_ \ / _` |/ __| |/ / | | | '_ \ / __| '_ \ 
+| |_) | (_| | (__|   <| |_| | |_) |\__ \ | | |
+|_.__/ \__,_|\___|_|\_\\__,_| .__(_)___/_| |_|
+                            |_|               
+EOF
+# Copyright (c) 2020 Andrew Davidson
+}
+
+print_help () {
+    echo -e """
+    Usage:
+    backup.sh 'command' 'destination'
+    
+    Supported Commands:
+    backup        - initiate a backup of the home folder to the destination
+    list          - list backups on the destination
+    prune         - prune old backups on the destination
+    
+    Supported destinations:
+    royal         - local borg/SFTP backup to Royal
+    wasabi        - remote restic backup to Wasabi
+    """
+}
+
+
+set -o errexit
+set -o pipefail
+
+ACTION=$1
+DESTINATION=$2
+
+
+###
+# ~/.env should contain these variables:
+#
+#    ## Borg Royal Environment
+#    export BORG_PASSPHRASE=
+#
+#    ## Restic Wasabi Environment
+#    export AWS_ACCESS_KEY_ID=
+#    export AWS_SECRET_ACCESS_KEY=
+#    export RESTIC_REPOSITORY=s3:s3.wasabisys.com/backup
+#    export RESTIC_PASSWORD=
+###
+source ~/.env 
+
+case $DESTINATION in
+    "royal")
+        case $ACTION in
+            "backup")
+                echo "$(date) starting backup to $DESTINATION"
+
+                if on_ac_power; then
+                    borg create --progress -s -v \
+                        --exclude $HOME/tmp \
+                        --exclude $HOME/Downloads \
+                        --exclude $HOME/Desktop \
+                        --exclude $HOME/.cache \
+                        --exclude $HOME/.local/gnome-boxes \
+                        backup:/bkup/$(hostname)::$(date '+%s') \
+                        $HOME
+                else
+                    echo "Not plugged in, canceling backup."
+                fi
+
+                echo "$(date) finished backup to $DESTINATION"
+                ;;
+            "list")
+                borg list backup:/bkup/$(hostname)
+                ;;
+            "prune")
+                echo """
+                Pruning $DESTINATION backups...
+                Keeping:
+                - 24 hourly backups
+                - 90 daily backups
+                - 12 monthly backups
+                - 5  yearly backups
+                """
+                borg prune \
+                    --stats --list \
+                    --keep-hourly 24 \
+                    --keep-daily 90 \
+                    --keep-monthly 12 \
+                    --keep-yearly 5 \
+                    backup:/bkup/$(hostname)
+                ;;
+            "help")
+                print_ascii
+                print_help
+                ;;
+            *)
+                echo "Action: $ACTION not recognized."
+                print_help
+                ;;
+        esac
+        ;;
+    "wasabi")
+        case $ACTION in
+            "backup")
+                echo "$(date) starting backup to $DESTINATION"
+
+                if on_ac_power; then
+                    restic backup \
+                        --verbose \
+                        --exclude $HOME/tmp \
+                        --exclude $HOME/Desktop \
+                        --exclude $HOME/Downloads \
+                        --exclude $HOME/.cache \
+                        --exclude $HOME/.cargo \
+                        --exclude $HOME/.local/share/gnome-boxes \
+                        $HOME
+                else
+                    echo "Not plugged in, canceling backup."
+                fi
+                
+                echo "$(date) finished backup to $DESTINATION"
+                ;;
+            "list")
+                restic snapshots
+                ;;
+            "prune")
+                echo """
+                Pruning $DESTINATION backups...
+                Keeping:
+                - 4  hourly backups
+                - 90 daily backups
+                - 12 monthly backups
+                - 5  yearly backups
+                """
+
+                restic forget --prune \
+                    --keep-hourly 4 \
+                    --keep-daily 90 \
+                    --keep-monthly 12 \
+                    --keep-yearly 5
+
+                ;;
+            "help")
+                print_ascii
+                print_help
+                ;;
+            *)
+                echo "Action: $ACTION not recognized."
+                print_help
+                ;;
+        esac
+        ;;
+    *)
+        if [[ -z $DESTINATION && $ACTION == "help" ]]; then
+            print_ascii
+            print_help
+        else
+            echo "Destination: $DESTINATION not recognized."
+            print_help
+        fi
+        ;;
+esac
+