commit 9e3c35b53da4a5458c55af777be22b7a60f99655
Author: teldra <teldra@rotce.de>
Date:   Sun Feb 6 22:12:28 2022 +0100

    init

diff --git a/functions b/functions
new file mode 100644
index 0000000..5027bac
--- /dev/null
+++ b/functions
@@ -0,0 +1,27 @@
+err() {
+	echo $1
+	echo "exiting.."
+	exit 1
+}
+
+input() {
+	local input
+	local found="0"
+	echo "$1 $2"
+	read input
+	for i in $2; do
+		if [ "$i" == "$input" ]; then
+			found=1
+		fi
+	done
+	if [ "$found" == "0" ]; then
+		err "$input: $3"
+		return 1
+	fi
+	output="$input"
+}
+
+header() {
+	echo ""
+	echo "#### $1"
+}
\ No newline at end of file
diff --git a/main.sh b/main.sh
new file mode 100644
index 0000000..da5a4df
--- /dev/null
+++ b/main.sh
@@ -0,0 +1,73 @@
+#!/bin/bash
+
+main="/tmp/vinstall"
+target="${main}/target"
+
+. functions
+
+target_phy_disk() {
+	header "Choose target disk"
+	local DISKS_DETAILS
+	local output
+	DISKS_DETAILS=$(lsblk -l -o KNAME,TYPE,SIZE,MODEL,WWN|grep disk)
+	echo "$DISKS_DETAILS"
+	input "which one?" "$(echo "$DISKS_DETAILS"|awk '{print $1}'|tr '\n' ' ')" "not found."
+	TARGET_PHY_DISK="$output"
+}
+
+target_phy_id() {
+	local i
+	local f1
+	local f2
+	for i in $(find /dev/disk/by-id|grep -v part); do
+		if realpath "$i" | grep -q -i "$TARGET_PHY_DISK"; then
+			if echo "$i" | grep -q "wwn"; then
+				TARGET_PHY_WWN="$i"
+				f1=1
+			fi
+			if echo "$i" | grep -q -v "wwn"; then
+				TARGET_PHY_ID="$i"
+				f2=1
+			fi
+		fi
+	done
+	if [ "$f1" == "1" ] && [ "$f2" == "1" ]; then
+		return 0
+	else
+		err "no id found"
+	fi
+}
+
+use_efi() {
+	if test -e /sys/firmware/efi; then
+		EFI=1
+	else
+		EFI=0
+	fi
+}
+
+encryption_style() {
+	header "Choose encryption style"
+	echo "implemented:"
+	echo "a)keyfile in initramfs"						#bios: 1 uefi: 2
+	echo "b)no encryption"								#bios: 1 uefi: 2
+	echo "not implemented:"
+	echo "c)no keyfile (double pw enter)"				#bios: 1 uefi: 2
+	echo "d)keyfile on usb"								#bios: 1 uefi: ?
+	echo "e)unencrypted boot"							#bios: 2 uefi: 2
+	input "how to encrypt?" "a b c d e" "wrong input"
+	ENCRYPTION_STYLE="$output"
+}
+
+partition() {
+	if [ "$EFI" == "1" ]; then
+		echo parted --script $TARGET_PHY_WWN 'mklabel gpt'
+	else
+		echo parted --script $TARGET_PHY_WWN 'mklabel msdos'
+	fi
+}
+
+target_phy_disk
+target_phy_id
+use_efi
+encryption_style