alpine-initramfs-dropbear: init

alpine-initramfs-dropbear/dropbear/unlock_disk

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+set -- $(cat /proc/cmdline)
+
+for opt; do
+	case "$opt" in
+		cryptroot=*)
+			KOPT_cryptroot=${opt#cryptroot=}
+			continue
+			;;
+		cryptdm=*)
+			KOPT_cryptdm=${opt#cryptdm=}
+			continue
+			;;
+		root=*)
+			KOPT_root=${opt#root=}
+			continue
+			;;
+	esac
+done
+
+while [ ! -b /dev/mapper/${KOPT_cryptdm} ]; do
+	/sbin/nlplug-findfs -c ${KOPT_cryptroot} -m ${KOPT_cryptdm} ${KOPT_debug_init:+-d} -p /sbin/mdev ${KOPT_root}
+	sleep 2
+done
+
+# make a new file to kill the timer
+echo "" > /tmp/timer_kill
+killall -9 dropbear

alpine-initramfs-dropbear/features.d/dropbear.files

@@ -0,0 +1,3 @@
+/usr/sbin/dropbear
+/sbin/cryptsetup
+/etc/dropbear/*

alpine-initramfs-dropbear/features.d/dropbear.modules

@@ -0,0 +1,3 @@
+kernel/crypto/*
+kernel/arch/*/crypto/*
+kernel/drivers/md/dm-crypt.ko