From: Michael Prokop <mika@grml.org>
Date: Fri, 26 Jun 2015 13:02:16 +0000 (+0200)
Subject: Enable write-mode for persistency related devices in readonly/forensic mode
X-Git-Tag: debian/1%20160511~9^2~2
X-Git-Url: http://git.grml.org/?p=live-boot-grml.git;a=commitdiff_plain;h=e3cbd82426f1710dba545ee0f44b0731a45e0b6a;hp=ac5eb22cdeb44618c3e5c52dccd26d871d4096d0

Enable write-mode for persistency related devices in readonly/forensic mode
---

diff --git a/components/0020-read-only b/components/0020-read-only
index fc0dde0..a2c86ef 100755
--- a/components/0020-read-only
+++ b/components/0020-read-only
@@ -53,4 +53,20 @@ Read_only ()
 				;;
 		esac
 	done
+
+	if grep -qe persistence /proc/cmdline
+		then
+		printf " * Persistence mode enabled, searching for persistency related devices to unlock\n" >/dev/console
+
+		for label in custom-ov home-rw home-sn live-rw live-sn persistence
+		do
+			if blkid -t LABEL="$label" | grep -q '.'
+			then
+				device=$(blkid -t LABEL="$label" | awk -F: '{print $1}')
+				printf "   - Setting device %-9s with label '%s' to write mode for persistence mode: " "$device" "$label" >/dev/console
+				blockdev --setrw $device && printf "done\n" >/dev/console || printf "failed\n" >/dev/console
+			fi
+		done
+	fi
+
 }