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|
#!/usr/bin/env bash
set -euo pipefail
export PATH="/usr/sbin:/sbin:/usr/bin:/bin:$PATH"
RCLONE_CONFIG="$HOME/.config/rclone/rclone.conf"
#################### CONFIG – EDIT THESE ####################
# LUKS2 block device
LUKS_DEVICE="/dev/disk/by-uuid/6659e638-d52a-4c32-9781-9dcedd44db35"
# Name for the mapper device (will appear as /dev/mapper/${LUKS_NAME})
LUKS_NAME="shield"
# Mount point for the decrypted filesystem
LUKS_MOUNTPOINT="/mnt/shield"
# Local folders to back up with rsync → LUKS volume
BACKUP_ITEMS=(
"$HOME/"
"/media/.secrets/"
)
# Machine identifier (destination subdir on the LUKS volume)
MACHINE_DIR="T480"
#################### INTERNALS – NO NEED TO EDIT ############
RSYNC_EXCLUDES_FILE="/tmp/rsync_excludes_$$.txt"
cat > "${RSYNC_EXCLUDES_FILE}" <<'EOF'
downloads/
# Caches & regenerable state
.cache/
.fasd
.viminfo
.zcompdump
.sqlite_history
.wget-hsts
.dbus/
.Xauthority
.pki/
tmp/
# Browser internals
.mozilla/firefox/*/cache2/
.mozilla/firefox/*/storage/
.mozilla/firefox/*/datareporting/
.mullvad-browser/*/cache2/
.mullvad-browser/*/storage/
# Crypto node data (re-syncs)
.bitmonero/
.shared-ringdb/
# Large reinstallable tooling
.cargo/registry
.cargo/git
.texlive2025/
# Java runtime junk
.java/
EOF
need_cmd() { command -v "$1" >/dev/null 2>&1 || { echo "ERROR: missing command: $1" >&2; exit 1; }; }
cleanup() {
echo
echo ">>> Cleaning up..."
rm -f "${RSYNC_EXCLUDES_FILE}"
# Try to unmount, if mounted
if mountpoint -q "${LUKS_MOUNTPOINT}"; then
echo ">>> Unmounting ${LUKS_MOUNTPOINT}..."
sudo umount "${LUKS_MOUNTPOINT}" || true
fi
# Close LUKS mapping if it exists
if [ -e "/dev/mapper/${LUKS_NAME}" ]; then
echo ">>> Closing LUKS mapping ${LUKS_NAME}..."
sudo cryptsetup close "${LUKS_NAME}" || true
fi
}
trap cleanup EXIT
need_cmd cryptsetup
need_cmd rclone
need_cmd rsync
need_cmd mountpoint
# Cache sudo credentials early to avoid surprises mid-run
sudo -v
echo ">>> Ensuring mountpoint exists: ${LUKS_MOUNTPOINT}"
sudo mkdir -p "${LUKS_MOUNTPOINT}"
# Check if already open
if [ -e "/dev/mapper/${LUKS_NAME}" ]; then
echo ">>> WARNING: /dev/mapper/${LUKS_NAME} already exists, assuming already open."
else
echo ">>> Opening LUKS volume (interactive prompt)..."
sudo cryptsetup open "${LUKS_DEVICE}" "${LUKS_NAME}"
fi
# At this point /dev/mapper/${LUKS_NAME} must exist
if [ ! -e "/dev/mapper/${LUKS_NAME}" ]; then
echo "ERROR: /dev/mapper/${LUKS_NAME} not found after cryptsetup open." >&2
exit 1
fi
# Mount if not already mounted
if mountpoint -q "${LUKS_MOUNTPOINT}"; then
echo ">>> WARNING: ${LUKS_MOUNTPOINT} already mounted."
else
echo ">>> Mounting /dev/mapper/${LUKS_NAME} on ${LUKS_MOUNTPOINT}..."
sudo mount "/dev/mapper/${LUKS_NAME}" "${LUKS_MOUNTPOINT}"
fi
echo ">>> LUKS volume mounted at ${LUKS_MOUNTPOINT}"
# Ensure SharePoint destinations exist in root of shield
sudo mkdir -p \
"${LUKS_MOUNTPOINT}/SP_Administration" \
"${LUKS_MOUNTPOINT}/SP_Operations" \
"${LUKS_MOUNTPOINT}/SP_Skyscale"
echo ">>> Starting rclone syncs (SharePoint -> ${LUKS_MOUNTPOINT}/SP_*)..."
rclone --config "$RCLONE_CONFIG" sync 'SP_Administration:' "${LUKS_MOUNTPOINT}/SP_Administration" --create-empty-src-dirs --fast-list --progress
rclone --config "$RCLONE_CONFIG" sync 'SP_Operations:' "${LUKS_MOUNTPOINT}/SP_Operations" --create-empty-src-dirs --fast-list --progress
rclone --config "$RCLONE_CONFIG" sync 'SP_SkyscaleCommerce:' "${LUKS_MOUNTPOINT}/SP_Skyscale" --create-empty-src-dirs --fast-list --progress
echo ">>> All rclone syncs finished."
echo ">>> Starting rsync backups of local folders -> ${LUKS_MOUNTPOINT}/${MACHINE_DIR}/..."
# Ensure machine root exists
sudo mkdir -p "${LUKS_MOUNTPOINT}/${MACHINE_DIR}"
for SRC in "${BACKUP_ITEMS[@]}"; do
if [ ! -d "$SRC" ]; then
echo ">>> WARNING: source folder does not exist, skipping: $SRC"
continue
fi
case "$SRC" in
"$HOME/"|"$HOME")
RELDEST="${MACHINE_DIR}/HOME"
;;
"/media/.secrets/"|"/media/.secrets")
RELDEST="${MACHINE_DIR}/secrets"
;;
*)
NAME="$(basename "${SRC%/}")"
RELDEST="${MACHINE_DIR}/${NAME}"
;;
esac
DEST="${LUKS_MOUNTPOINT}/${RELDEST}"
sudo mkdir -p "${DEST}"
echo ">>> rsync: ${SRC} -> ${DEST}"
rsync -a --delete --progress \
--exclude-from="${RSYNC_EXCLUDES_FILE}" \
"${SRC%/}/" \
"${DEST}/"
done
echo ">>> All rsync backups finished."
echo ">>> Unmounting and closing LUKS (via trap)..."
# cleanup() will run automatically on script exit
|
