From fe1b5584c49eb51b703a2ac2740693fe152ae07e Mon Sep 17 00:00:00 2001
From: Alice Gaudon <alice@gaudon.pro>
Date: Wed, 22 May 2019 06:40:08 +0200
Subject: [PATCH] Add backup2me.sh

---
 .gitignore   |  1 +
 backup2me.sh | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 backup2me.sh

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..63f1fef
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.lock
diff --git a/backup2me.sh b/backup2me.sh
new file mode 100755
index 0000000..6f324f0
--- /dev/null
+++ b/backup2me.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+function join {
+	local d=$1;
+	shift;
+	local p=$1;
+	shift;
+	echo -n "$p$1";
+	shift;
+	printf "%s" "${@/#/$d$p}";
+}
+
+lockfile-create -p -r 2 $0 || (echo "Another backup is running, aborting" & exit 1)
+
+### Program arguments ###
+
+# Backup target directory
+BACKUP_TARGET=$1
+
+# Backup local directory
+BACKUP_DIRECTORY=$2
+
+# Exclusions
+BACKUP_EXCLUSIONS=$(join " " "--exclude=" $3)
+echo "Exclusions: $BACKUP_EXCLUSIONS"
+
+# Script executed before starting the backup
+BEFORE_SCRIPT=$4
+
+# Script executed after finishing the backup
+AFTER_SCRIPT=$5
+
+# Backup root path, change it to create a new backup
+BACKUP_ROOT=$6
+
+# Backup archive path, change it for each backup
+BACKUP_ARCHIVE=$7
+
+
+### Backup automatic properties ###
+BACKUP_ROOT_PATH="$(cat /etc/hostname)"
+BACKUP_BASE_PATH="$BACKUP_ROOT_PATH/$BACKUP_ROOT"
+BACKUP_CONTENTS_PATH="$BACKUP_BASE_PATH/_backup/"
+BACKUP_ARCHIVE_PATH="$BACKUP_BASE_PATH/$BACKUP_ARCHIVE"
+
+
+echo "Starting backup"
+
+### Before Script ###
+eval "$BEFORE_SCRIPT"
+
+### Create local model of the remote's backup directory tree and send it ###
+mkdir -p "$BACKUP_CONTENTS_PATH"
+rsync --timeout=30 -avzhP --relative "$BACKUP_CONTENTS_PATH" "$BACKUP_TARGET"
+
+### Backup home directory except some unwanted files ###
+rsync --timeout=30 -avzhP --delete --inplace $BACKUP_EXCLUSIONS --backup-dir="../$BACKUP_ARCHIVE_PATH" "$BACKUP_DIRECTORY" "$BACKUP_TARGET/$BACKUP_CONTENTS_PATH"
+
+### Remove local model of the backup directory tree ###
+rm -R "$BACKUP_ROOT_PATH"
+
+### After Script ###
+eval "$AFTER_SCRIPT"
+
+
+# Remove lock
+echo "Backup finished. Removing lock..."
+lockfile-remove $0