Initial commit

scripts/chroot-rescue

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+# Mount and chroot a linux system
+
+set -euo pipefail
+
+lsblk
+
+# Set defaults
+RP="${ROOT_PART:-/dev/nvme0n0p3}"
+BP="${BOOT_PART:-/dev/nvme0n0p1}"
+
+read -r -p "Root partition [$RP]: " input_rp
+RP="${input_rp:-$RP}"
+read -r -p "Boot partition [$BP]: " input_bp
+BP="${input_bp:-$BP}"
+MD="${MOUNT_DIR:-/mnt/${RP##*/}}"
+[[ -d "$MD" ]] && MD="$MD-$RANDOM"
+read -r -p "Mount directory [$MD]: " input_md
+MD="${input_md:-$MD}"
+
+if [[ ! -e "$RP" || ! -e "$BP" ]]; then
+  echo "[ERROR] Root or boot partition does not exist."
+  exit 1
+fi
+
+# Mount and enter the chroot
+echo "[INFO] Mounting and entering chroot..."
+sudo mkdir -p "$MD"
+sudo mount "$RP" "$MD"
+for i in proc sys dev; do
+  sudo mount --bind "/$i" "$MD/$i"
+done
+sudo mount "$BP" "$MD/boot/efi"
+sudo chroot "$MD"
+
+# After chroot
+echo "[INFO] Exiting and unmounting chroot..."
+sudo umount "$MD/boot/efi"
+for i in proc sys dev; do
+  sudo umount "$MD/$i"
+done
+sudo umount "$MD"
+
+exit 0