From 858a966c946fa20485920f862417ea49c7ed3ba5 Mon Sep 17 00:00:00 2001
From: RealStickman <mrc@frm01.net>
Date: Fri, 21 May 2021 11:45:34 +0200
Subject: [PATCH] Add backup and restore script for evolution

---
 .../scripts/pieces/evolution-backup.sh        | 36 ++++++++++++++++++
 .../scripts/pieces/evolution-restore.sh       | 38 +++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 arch-config/scripts/pieces/evolution-backup.sh
 create mode 100644 arch-config/scripts/pieces/evolution-restore.sh

diff --git a/arch-config/scripts/pieces/evolution-backup.sh b/arch-config/scripts/pieces/evolution-backup.sh
new file mode 100644
index 00000000..faed3588
--- /dev/null
+++ b/arch-config/scripts/pieces/evolution-backup.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# give password as argument
+if [ $# -eq 1 ]; then
+    pass=$1
+elif [ $# -eq 0 ]; then
+    echo "Please provide a passphrase"
+    $(exit 1); echo "$?"
+else
+    echo "Please only insert one argument"
+    $(exit 1); echo "$?"
+fi
+
+# go to home dir
+cd "$HOME"
+
+# get current date
+currdate="$(date +%Y-%m-%d)"
+
+mkdir -p "$HOME/evolution-mail-backup"
+mkdir -p "$HOME/evolution-mail-backup/.config"
+mkdir -p "$HOME/evolution-mail-backup/.local"
+
+cp -r "$HOME/.config/evolution/" "$HOME/evolution-mail-backup/.config/"
+cp -r "$HOME/.local/share/evolution/" "$HOME/evolution-mail-backup/.local/"
+
+tar -cv -I"zstd -19 -T0" -f evolution-mail-backup-${currdate}.tar.zst evolution-mail-backup/
+
+rm -rf "$HOME/evolution-mail-backup"
+
+echo '$pass' | gpg -c --batch --yes --passphrase-fd 0 evolution-mail-backup-${currdate}.tar.zst
+
+rm evolution-mail-backup-${currdate}.tar.zst
+
+mv evolution-mail-backup-${currdate}.tar.zst.gpg "$HOME/Nextcloud/backups/"
diff --git a/arch-config/scripts/pieces/evolution-restore.sh b/arch-config/scripts/pieces/evolution-restore.sh
new file mode 100644
index 00000000..c27535ec
--- /dev/null
+++ b/arch-config/scripts/pieces/evolution-restore.sh
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# give password as argument
+if [ $# -eq 1 ]; then
+    pass=$1
+elif [ $# -eq 0 ]; then
+    echo "Please provide a passphrase"
+    $(exit 1); echo "$?"
+else
+    echo "Please only insert one argument"
+    $(exit 1); echo "$?"
+fi
+
+# go to home dir
+cd "$HOME"
+
+# find latest backup version
+latestbackup="$(find "$HOME/Nextcloud/backups/" -name "evolution-mail-backup-*\.tar.zst.gpg" | sort | tail -1)"
+
+# decrypt backup
+echo '$pass' | gpg --decrypt-file --batch --yes --passphrase-fd 0 "$latestbackup"
+
+# name of decrypted file
+latestdecrypted="${latestbackup%.gpg}"
+
+# expand archive
+tar -xvf "$latestdecrypted"
+
+# remove unencrypted archive
+rm "$latestdecrypted"
+
+# copy configuration
+cp -r "$HOME/evolution-mail-backup/.config/" "$HOME/"
+cp -r "$HOME/evolution-mail-backup/.local/" "$HOME/"
+
+# remove folder
+rm -rf "$HOME/evolution-mail-backup"