426 lines
18 KiB
Bash
426 lines
18 KiB
Bash
# ============================================================================
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# Snapper Snapshot Functions for CachyOS/Arch with limine-snapper-sync
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# ============================================================================
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# Add these functions to your ~/.zshrc or ~/.dotfiles/zsh/.zshrc
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# Colors for output
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SNAP_GREEN='\033[0;32m'
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SNAP_YELLOW='\033[1;33m'
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SNAP_RED='\033[0;31m'
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SNAP_BLUE='\033[0;34m'
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SNAP_NC='\033[0m' # No Color
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# ============================================================================
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# Main Snapshot Function with Limine Validation
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# ============================================================================
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snap-create() {
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local description="$*"
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local snap_config="root"
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local limine_conf="/boot/limine.conf"
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# Print header
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echo -e "\n${SNAP_BLUE}╔════════════════════════════════════════════════════════════╗${SNAP_NC}"
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echo -e "${SNAP_BLUE}║${SNAP_NC} Snapper Snapshot Creation & Validation ${SNAP_BLUE}║${SNAP_NC}"
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echo -e "${SNAP_BLUE}╚════════════════════════════════════════════════════════════╝${SNAP_NC}\n"
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# Check if description was provided
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if [[ -z "$description" ]]; then
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} No description provided"
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echo -n "Enter snapshot description: "
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read description
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if [[ -z "$description" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} Description required. Aborting."
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return 1
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fi
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fi
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# Check if limine.conf exists
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if [[ ! -f "$limine_conf" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} Limine config not found: $limine_conf"
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return 1
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fi
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# Get limine.conf state before snapshot
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Checking limine.conf state before snapshot"
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local before_checksum=$(sudo md5sum "$limine_conf" | awk '{print $1}')
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local before_entries=$(sudo grep -c "^:.*Snapshot" "$limine_conf" || echo "0")
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Before: $before_entries snapshot entries"
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Before checksum: $before_checksum"
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# Create the snapshot
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Creating snapshot: \"$description\""
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local snapshot_num=$(sudo snapper -c "$snap_config" create \
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--description "$description" \
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--print-number)
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if [[ -z "$snapshot_num" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} Failed to create snapshot"
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return 1
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fi
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Snapshot created: #$snapshot_num"
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# Trigger limine-snapper-sync service
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Triggering limine-snapper-sync service..."
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if sudo systemctl start limine-snapper-sync.service; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Service triggered successfully"
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else
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} Failed to trigger service (may run automatically)"
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fi
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# Wait a moment for the service to complete
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Waiting for limine-snapper-sync to update limine.conf..."
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sleep 2
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# Get limine.conf state after snapshot
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Validating limine.conf update"
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local after_checksum=$(sudo md5sum "$limine_conf" | awk '{print $1}')
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local after_entries=$(sudo grep -c "^:.*Snapshot" "$limine_conf" || echo "0")
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# Validate the update
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local validation_passed=true
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if [[ "$before_checksum" == "$after_checksum" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} limine.conf was NOT updated (checksum unchanged)"
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validation_passed=false
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else
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echo -e "${SNAP_GREEN}✓${SNAP_NC} limine.conf was updated"
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fi
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if [[ "$after_entries" -le "$before_entries" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} No new snapshot entry added to limine.conf"
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validation_passed=false
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else
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local new_entries=$((after_entries - before_entries))
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Added $new_entries new snapshot entry/entries"
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fi
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# Check for the specific snapshot in limine.conf
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Searching for snapshot #$snapshot_num in limine.conf"
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if sudo grep -q "Snapshot $snapshot_num" "$limine_conf"; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Found snapshot #$snapshot_num in limine.conf"
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# Show the entry
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echo -e "\n${SNAP_BLUE}Snapshot entry:${SNAP_NC}"
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sudo grep -A 3 "Snapshot $snapshot_num" "$limine_conf" | sed 's/^/ /'
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} Snapshot #$snapshot_num NOT found in limine.conf"
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validation_passed=false
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fi
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# Print summary
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echo -e "\n${SNAP_BLUE}╔════════════════════════════════════════════════════════════╗${SNAP_NC}"
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echo -e "${SNAP_BLUE}║${SNAP_NC} Summary ${SNAP_BLUE}║${SNAP_NC}"
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echo -e "${SNAP_BLUE}╚════════════════════════════════════════════════════════════╝${SNAP_NC}"
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echo -e "Snapshot Number: #$snapshot_num"
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echo -e "Description: \"$description\""
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echo -e "Config: $snap_config"
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echo -e "Before entries: $before_entries"
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echo -e "After entries: $after_entries"
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if [[ "$validation_passed" == true ]]; then
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echo -e "Status: ${SNAP_GREEN}✓ VALIDATED${SNAP_NC}"
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echo -e "\n${SNAP_GREEN}✓${SNAP_NC} Snapshot created and limine.conf successfully updated!"
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return 0
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else
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echo -e "Status: ${SNAP_RED}✗ VALIDATION FAILED${SNAP_NC}"
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echo -e "\n${SNAP_RED}✗${SNAP_NC} Snapshot created but limine.conf validation failed!"
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} Check if limine-snapper-sync service is running properly"
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echo -e "${SNAP_YELLOW}Run:${SNAP_NC} sudo systemctl status limine-snapper-sync.service"
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return 1
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fi
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}
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# ============================================================================
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# Helper Functions
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# ============================================================================
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# List recent snapshots
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snap-list() {
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local count="${1:-10}"
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echo -e "${SNAP_BLUE}Recent $count snapshots:${SNAP_NC}\n"
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sudo snapper -c root list | tail -n "$((count + 1))"
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}
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# Show snapshot details
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snap-show() {
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if [[ -z "$1" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} Usage: snap-show <snapshot_number>"
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return 1
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fi
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echo -e "${SNAP_BLUE}Snapshot #$1 details:${SNAP_NC}\n"
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sudo snapper -c root list | grep "^\s*$1\s"
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echo -e "\n${SNAP_BLUE}In limine.conf:${SNAP_NC}"
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if sudo grep -q "Snapshot $1" /boot/limine.conf; then
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sudo grep -A 3 "Snapshot $1" /boot/limine.conf
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else
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} Not found in limine.conf"
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fi
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}
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# Delete snapshot with limine validation
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snap-delete() {
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if [[ -z "$1" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} Usage: snap-delete <snapshot_number>"
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return 1
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fi
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local snapshot_num="$1"
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local limine_conf="/boot/limine.conf"
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Deleting snapshot #$snapshot_num"
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# Check before deletion
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local before_entries=$(sudo grep -c "^:.*Snapshot" "$limine_conf" || echo "0")
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# Delete the snapshot
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sudo snapper -c root delete "$snapshot_num"
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if [[ $? -eq 0 ]]; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Snapshot #$snapshot_num deleted"
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# Trigger sync service
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Triggering limine-snapper-sync..."
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sudo systemctl start limine-snapper-sync.service
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# Wait for service to complete
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sleep 2
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# Check after deletion
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local after_entries=$(sudo grep -c "^:.*Snapshot" "$limine_conf" || echo "0")
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if [[ "$after_entries" -lt "$before_entries" ]]; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} limine.conf updated (removed entry)"
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else
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} limine.conf may not have been updated"
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fi
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# Verify snapshot is gone from limine.conf
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if ! sudo grep -q "Snapshot $snapshot_num" "$limine_conf"; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Snapshot #$snapshot_num removed from limine.conf"
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} Snapshot #$snapshot_num still in limine.conf!"
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fi
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} Failed to delete snapshot #$snapshot_num"
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return 1
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fi
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}
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# Check limine.conf for all snapshots
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snap-check-limine() {
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local limine_conf="/boot/limine.conf"
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echo -e "${SNAP_BLUE}╔════════════════════════════════════════════════════════════╗${SNAP_NC}"
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echo -e "${SNAP_BLUE}║${SNAP_NC} Limine Snapshot Entries ${SNAP_BLUE}║${SNAP_NC}"
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echo -e "${SNAP_BLUE}╚════════════════════════════════════════════════════════════╝${SNAP_NC}\n"
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if [[ ! -f "$limine_conf" ]]; then
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echo -e "${SNAP_RED}✗${SNAP_NC} Limine config not found: $limine_conf"
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return 1
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fi
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# Count snapshot entries
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local entry_count=$(sudo grep -c "^:.*Snapshot" "$limine_conf" || echo "0")
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echo -e "${SNAP_BLUE}Total snapshot entries:${SNAP_NC} $entry_count\n"
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# Show all snapshot entries
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if [[ "$entry_count" -gt 0 ]]; then
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echo -e "${SNAP_BLUE}Snapshot boot entries:${SNAP_NC}\n"
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sudo grep "^:.*Snapshot" "$limine_conf" | nl -w2 -s'. '
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else
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} No snapshot entries found in limine.conf"
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fi
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# Compare with actual snapshots
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echo -e "\n${SNAP_BLUE}Comparing with snapper list:${SNAP_NC}\n"
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local snapper_count=$(sudo snapper -c root list | grep -v "single" | tail -n +3 | wc -l)
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echo -e "Snapshots in snapper: $snapper_count"
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echo -e "Entries in limine.conf: $entry_count"
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if [[ "$snapper_count" -eq "$entry_count" ]]; then
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echo -e "Status: ${SNAP_GREEN}✓ SYNCED${SNAP_NC}"
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else
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echo -e "Status: ${SNAP_YELLOW}⚠ OUT OF SYNC${SNAP_NC}"
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echo -e "\n${SNAP_YELLOW}Note:${SNAP_NC} Some snapshots may be excluded from boot menu by configuration"
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fi
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}
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# Manually trigger sync service
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snap-sync() {
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Manually triggering limine-snapper-sync..."
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if sudo systemctl start limine-snapper-sync.service; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Service triggered successfully"
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# Wait for completion
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sleep 2
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# Show status
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echo -e "\n${SNAP_BLUE}Service status:${SNAP_NC}"
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sudo systemctl status limine-snapper-sync.service --no-pager -l | tail -n 10
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} Failed to trigger service"
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return 1
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fi
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}
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# Validate limine-snapper-sync service is working
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snap-validate-service() {
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echo -e "${SNAP_BLUE}╔════════════════════════════════════════════════════════════╗${SNAP_NC}"
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echo -e "${SNAP_BLUE}║${SNAP_NC} Limine-Snapper-Sync Service Validation ${SNAP_BLUE}║${SNAP_NC}"
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echo -e "${SNAP_BLUE}╚════════════════════════════════════════════════════════════╝${SNAP_NC}\n"
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# Check if service unit exists
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Checking service unit"
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if systemctl list-unit-files | grep -q "limine-snapper-sync.service"; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} limine-snapper-sync.service unit exists"
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} limine-snapper-sync.service unit NOT found"
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echo -e "\n${SNAP_YELLOW}Install with:${SNAP_NC} paru -S limine-snapper-sync"
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return 1
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fi
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# Check if service is enabled
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Checking if service is enabled"
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if systemctl is-enabled limine-snapper-sync.service &>/dev/null; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Service is enabled"
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else
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} Service is NOT enabled"
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echo -e "${SNAP_YELLOW}Enable with:${SNAP_NC} sudo systemctl enable limine-snapper-sync.service"
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fi
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# Check service status
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Checking service status"
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if systemctl is-active limine-snapper-sync.service &>/dev/null; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Service is active"
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else
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echo -e "${SNAP_YELLOW}⚠${SNAP_NC} Service is inactive (this is normal for oneshot services)"
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fi
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# Show recent service logs
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Recent service logs (last 10 lines)"
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echo ""
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sudo journalctl -u limine-snapper-sync.service -n 10 --no-pager | sed 's/^/ /'
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# Check snapper config
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Checking snapper configuration"
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if [[ -f "/etc/snapper/configs/root" ]]; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Snapper root config exists"
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} Snapper root config not found"
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fi
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# Check limine.conf
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Checking limine.conf"
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if [[ -f "/boot/limine.conf" ]]; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} limine.conf exists"
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local snap_entries=$(sudo grep -c "^:.*Snapshot" /boot/limine.conf || echo "0")
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echo -e " Snapshot entries: $snap_entries"
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} limine.conf not found"
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fi
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echo -e "\n${SNAP_GREEN}✓${SNAP_NC} Validation complete"
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}
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# Quick snapshot aliases
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alias snap='snap-create'
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alias snapls='snap-list'
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alias snaprm='snap-delete'
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alias snapshow='snap-show'
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alias snapcheck='snap-check-limine'
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alias snapsync='snap-sync'
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# ============================================================================
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# Usage Examples (commented out - uncomment to see examples)
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# ============================================================================
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# snap-create "Before system update"
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# snap-list 20
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# snap-show 42
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# snap-delete 42
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# snap-check-limine
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# snap-sync
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# snap-validate-serviceNC}"
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echo -e "${SNAP_BLUE}║${SNAP_NC} Snapper-Limine-Plugin Validation ${SNAP_BLUE}║${SNAP_NC}"
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echo -e "${SNAP_BLUE}╚════════════════════════════════════════════════════════════╝${SNAP_NC}\n"
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# Check if plugin is installed
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echo -e "${SNAP_BLUE}==>${SNAP_NC} Checking plugin installation"
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if pacman -Qi snapper-limine-plugin &>/dev/null; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} snapper-limine-plugin is installed"
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pacman -Qi snapper-limine-plugin | grep "Version" | sed 's/^/ /'
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} snapper-limine-plugin is NOT installed"
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echo -e "\n${SNAP_YELLOW}Install with:${SNAP_NC} paru -S snapper-limine-plugin"
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return 1
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fi
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# Check plugin script location
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Checking plugin script"
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local plugin_script="/usr/share/limine/snapper-limine.sh"
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if [[ -f "$plugin_script" ]]; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Plugin script exists: $plugin_script"
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ls -lh "$plugin_script" | sed 's/^/ /'
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} Plugin script not found: $plugin_script"
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fi
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# Check snapper config
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Checking snapper configuration"
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if [[ -f "/etc/snapper/configs/root" ]]; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} Snapper root config exists"
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} Snapper root config not found"
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fi
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# Check limine.conf
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echo -e "\n${SNAP_BLUE}==>${SNAP_NC} Checking limine.conf"
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if [[ -f "/boot/limine.conf" ]]; then
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echo -e "${SNAP_GREEN}✓${SNAP_NC} limine.conf exists"
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local snap_entries=$(sudo grep -c "^:.*Snapshot" /boot/limine.conf || echo "0")
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echo -e " Snapshot entries: $snap_entries"
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else
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echo -e "${SNAP_RED}✗${SNAP_NC} limine.conf not found"
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fi
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echo -e "\n${SNAP_GREEN}✓${SNAP_NC} Validation complete"
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}
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# Quick snapshot aliases
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alias snap='snap-create'
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alias snapls='snap-list'
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alias snaprm='snap-delete'
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alias snapshow='snap-show'
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alias snapcheck='snap-check-limine'
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# ============================================================================
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# Usage Examples (commented out - uncomment to see examples)
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# ============================================================================
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# snap-create "Before system update"
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# snap-list 20
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# snap-show 42
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# snap-delete 42
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# snap-check-limine
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# snap-validate-plugin
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