From 81790064b4c2a18e52cf1e08a69aa0f38038f105 Mon Sep 17 00:00:00 2001
From: Noah Petherbridge <root@kirsle.net>
Date: Mon, 19 Oct 2015 20:56:09 -0700
Subject: [PATCH] Add backup-check script to detect bit rot

---
 home/.editorconfig    |  3 +++
 home/.zshrc           |  3 +++
 home/bin/backup-check | 53 +++++++++++++++++++++++++++++++++++++++++++
 home/bin/sync-pics    |  6 +++++
 4 files changed, 65 insertions(+)
 create mode 100755 home/bin/backup-check

diff --git a/home/.editorconfig b/home/.editorconfig
index 5532676..f7808e5 100644
--- a/home/.editorconfig
+++ b/home/.editorconfig
@@ -23,4 +23,7 @@ indent_size = 2
 indent_style = space
 indent_size = 2
 
+[*.go]
+indent_style = tab
+
 # format:dosini
diff --git a/home/.zshrc b/home/.zshrc
index 5be6a1a..775cffd 100644
--- a/home/.zshrc
+++ b/home/.zshrc
@@ -26,6 +26,9 @@ export EDITOR="/usr/bin/vim"
 # Virtualenv
 export WORKON_HOME=~/.virtualenvs
 
+# Go
+export GOPATH="$HOME/go"
+
 # Reload zshrc
 alias rezsh="source ${HOME}/.zshrc"
 
diff --git a/home/bin/backup-check b/home/bin/backup-check
new file mode 100755
index 0000000..7a9f05e
--- /dev/null
+++ b/home/bin/backup-check
@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+"""backup-check: Periodically compare checksums of backups in multiple
+locations. It's mainly to do a weekly check of all my backup locations and
+identify bit rot before it's too late.
+
+Install via `crontab -e`:
+0 2 * * 0 /home/noah/bin/backup-check
+
+--Kirsle
+http://sh.kirsle.net/
+"""
+
+import codecs
+import os.path
+import subprocess
+
+# Directories to compare with each other.
+DIRECTORIES = [
+    "/mnt/Midnight/Images/Organized",
+    "/run/media/noah/Cyro/Pictures/Organized",
+    "/run/media/noah/Obelisk/Redundant/Images/Organized",
+    "/home/noah/Dropbox/Photos/Organized",
+    "/home/noah/ownCloud/Photos/Organized",
+]
+ERROR_OUT = "/home/noah/Desktop/Checksum Error.txt"
+
+def main():
+    # First available disk becomes the common denominator.
+    master = None
+    for disk in DIRECTORIES:
+        if os.path.isdir(disk):
+            if master is None:
+                print("Master disk chosen as:", disk)
+                master = disk
+
+            if disk != master:
+                # Do the comparison.
+                print("Compare {} <=> {}".format(master, disk))
+                out = subprocess.check_output(["diff", "-aqr", master, disk])
+                if len(out):
+                    # Problem!
+                    error(out)
+                    break
+
+def error(out):
+    """Error, panic!"""
+    fh = codecs.open(ERROR_OUT, "w", "utf-8")
+    fh.write(out.decode("utf-8"))
+    fh.close()
+
+if __name__ == "__main__":
+    main()
diff --git a/home/bin/sync-pics b/home/bin/sync-pics
index 18f047c..f6bb510 100755
--- a/home/bin/sync-pics
+++ b/home/bin/sync-pics
@@ -46,6 +46,12 @@ TARGETS = OrderedDict([
         path = "/home/noah/Dropbox Vault",
         rsync = "rsync -avu --delete {source}/.X/ \"{destination}/\"",
     )),
+
+    # Owncloud backup.
+    ("Owncloud", dict(
+        path  = "/home/noah/ownCloud/Photos/Organized",
+        rsync = "rsync -avu --delete --exclude .X {source}/ {destination}/",
+    )),
 ])
 
 #######################################