From 7d4603da210eb550f633610b2a3a8551f2ece1ff Mon Sep 17 00:00:00 2001
From: har0ke <dev@ohargens.de>
Date: Mon, 27 Nov 2023 14:13:09 +0100
Subject: [PATCH] Add some tools

---
 tools/arch_do_partition.sh | 77 ++++++++++++++++++++++++++++++++++++++
 tools/arch_fix_boot.sh     |  8 ++++
 tools/mount.sh             | 45 ++++++++++++++++++++++
 3 files changed, 130 insertions(+)
 create mode 100755 tools/arch_do_partition.sh
 create mode 100644 tools/arch_fix_boot.sh
 create mode 100644 tools/mount.sh

diff --git a/tools/arch_do_partition.sh b/tools/arch_do_partition.sh
new file mode 100755
index 0000000..395060b
--- /dev/null
+++ b/tools/arch_do_partition.sh
@@ -0,0 +1,77 @@
+#!/usr/bin/bash
+
+set -euo pipefail
+
+DISK=NOTFOUND
+
+# read arguments
+opts=$(getopt \
+  --longoptions "disk:" \
+  --options "d:" \
+  -- "$@"
+)
+
+eval set --$opts
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --disk | -d)
+      DISK="$2"
+      shift 2
+      ;;
+    *)
+      break
+      ;;
+  esac
+done
+
+PART_BOOT="${DISK}p1"
+PART_LVM="${DISK}p2"
+VG_NAME="vg0"
+
+function assert() (
+    set +euo pipefail
+    "${@:2}" &> /dev/null
+    if [[ "$?" -ne 0 ]]; then
+        echo "$1"
+        exit 1
+    fi
+)
+
+function clean() (
+    set +euo pipefail
+    swapoff "/dev/${VG_NAME}/swap"
+    umount "/mnt/boot"
+    umount "/mnt/"
+    cryptsetup close "${VG_NAME}-root"
+    cryptsetup close "${VG_NAME}-swap"
+    cryptsetup close "${VG_NAME}"
+    cryptsetup close cryptlvm
+    true
+)
+
+assert "EFI Variables not set: Are you booted into UEFI?" ls /sys/firmware/efi/efivars
+
+clean
+
+echo -e 'size=512M, type=U\n size=+, type=L\n' | sfdisk "${DISK}"
+sync
+
+mkfs.fat -F32 "${PART_BOOT}"
+
+cryptsetup luksFormat "${PART_LVM}"
+cryptsetup open "${PART_LVM}" cryptlvm
+
+pvcreate /dev/mapper/cryptlvm
+pvcreate /dev/mapper/cryptlvm
+vgcreate "${VG_NAME}" /dev/mapper/cryptlvm
+lvcreate -L 8G "${VG_NAME}" -n swap
+lvcreate -l 100%FREE "${VG_NAME}" -n root
+lvreduce -L -256M "${VG_NAME}/root"
+
+mkfs.ext4 "/dev/${VG_NAME}/root"
+mkswap "/dev/${VG_NAME}/swap"
+
+mount "/dev/${VG_NAME}/root" /mnt
+mount --mkdir "${PART_BOOT}" /mnt/boot
+swapon "/dev/${VG_NAME}/swap"
diff --git a/tools/arch_fix_boot.sh b/tools/arch_fix_boot.sh
new file mode 100644
index 0000000..5ee0678
--- /dev/null
+++ b/tools/arch_fix_boot.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/bash
+set -euo pipefail
+
+script_dir="$(dirname -- "${BASH_SOURCE[0]}" )"
+
+"${script_dir}/mount.sh"
+
+sudo arch-chroot /mnt pacman -Suy
diff --git a/tools/mount.sh b/tools/mount.sh
new file mode 100644
index 0000000..3cdb58a
--- /dev/null
+++ b/tools/mount.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/bash
+set -euo pipefail
+
+reset=0
+disk=/dev/nvme0n1p2
+volume_group="OkesVG"
+
+reset() {
+        swapon -s | grep "$(realpath /dev/mapper/${volume_group}-swap)" &> /dev/null && \
+                swapoff "$(realpath /dev/mapper/${volume_group}-swap)"
+        df | grep /mnt/boot &> /dev/null && umount /mnt/boot
+        df | grep /mnt &> /dev/null && umount /mnt
+        [[ -e /dev/mapper/${volume_group}-root ]] && cryptsetup close ${volume_group}-root
+        [[ -e /dev/mapper/${volume_group}-swap ]] && cryptsetup close ${volume_group}-swap
+        [[ -e /dev/mapper/root ]] && cryptsetup close root
+}
+
+# read arguments
+opts=$(getopt \
+  --longoptions "reset" \
+  --options "r" \
+  -- "$@"
+)
+eval set --$opts
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --reset | -r)
+      reset=1
+      shift 2
+      ;;
+    *)
+      break
+      ;;
+  esac
+done
+
+[[ "${reset}" -eq 1 ]] && reset
+[[ -e /dev/mapper/root ]] || cryptsetup open "${disk}" root
+vgchange -ay ${volume_group}
+# sleep 2
+df | grep /mnt &> /dev/null || mount /dev/mapper/${volume_group}-root /mnt
+df | grep /mnt/boot &> /dev/null || mount /dev/nvme0n1p1 /mnt/boot
+swapon -s | grep "$(realpath /dev/mapper/${volume_group}-swap)" &> /dev/null || \
+        swapon /dev/mapper/${volume_group}-swap