From 332473358f6220c1a6cf6fb73ffd02c6baf5c293 Mon Sep 17 00:00:00 2001
From: the_4n0nym0u53 <hello@theanonymouse.xyz>
Date: Thu, 24 Feb 2022 13:07:09 +0100
Subject: [PATCH] Scripts: Add erase-disk.sh

---
 artix-install.sh                 |  1 +
 fedora-install.sh                |  1 +
 scripts/.local/bin/erase-disk.sh | 19 +++++++++++++++++++
 3 files changed, 21 insertions(+)
 create mode 100755 scripts/.local/bin/erase-disk.sh

diff --git a/artix-install.sh b/artix-install.sh
index 2d66589..72eb783 100755
--- a/artix-install.sh
+++ b/artix-install.sh
@@ -24,6 +24,7 @@ sleep 0.4
 echo "Making scripts executable..."
 
 chmod +x scripts/.local/bin/clear-clipboard.sh
+chmod +x scripts/.local/bin/erase-disk.sh
 chmod +x scripts/.local/bin/update.sh
 chmod +x sway/.config/sway/autostart.sh
 chmod +x waybar/.config/waybar/ivpn-reconnect.sh
diff --git a/fedora-install.sh b/fedora-install.sh
index f08529c..a04fee9 100755
--- a/fedora-install.sh
+++ b/fedora-install.sh
@@ -24,6 +24,7 @@ sleep 0.4
 echo "Making scripts executable..."
 
 chmod +x scripts/.local/bin/clear-clipboard.sh
+chmod +x scripts/.local/bin/erase-disk.sh
 chmod +x scripts/.local/bin/update.sh
 
 sleep 0.5
diff --git a/scripts/.local/bin/erase-disk.sh b/scripts/.local/bin/erase-disk.sh
new file mode 100755
index 0000000..c3feb43
--- /dev/null
+++ b/scripts/.local/bin/erase-disk.sh
@@ -0,0 +1,19 @@
+#!/bin/dash
+# USAGE: erase-disk.sh <passes> <device>
+# Must be run as root
+
+echo "# Securely erasing the disk device $2"
+
+i=1
+
+while [ $i -le $1 ]; do
+    [ $i -eq 1 ] && if="/dev/urandom" || if="/dev/zero"
+
+    echo "\n- Begin pass $i with $if"
+    dd if="$if" of="$2" status="progress"
+    
+    echo "- Syncing I/O"
+    sync
+    
+    i=$(( i + 1 ))
+done