Automate your macOS backup to Backblaze B2 using Restic and launchd.
| #!/bin/bash | |
| PID_FILE=~/.restic_backup.pid | |
| TIMESTAMP_FILE=~/.restic_backup_timestamp | |
| if [ -f "$PID_FILE" ]; then | |
| if ps -p $(cat $PID_FILE) > /dev/null; then | |
| echo $(date +"%Y-%m-%d %T") "File $PID_FILE exist. Probably backup is already in progress." | |
| exit 1 | |
| else | |
| echo $(date +"%Y-%m-%d %T") "File $PID_FILE exist but process " $(cat $PID_FILE) " not found. Removing PID file." | |
| rm $PID_FILE | |
| fi | |
| fi | |
| if [ -f "$TIMESTAMP_FILE" ]; then | |
| time_run=$(cat "$TIMESTAMP_FILE") | |
| current_time=$(date +"%s") | |
| if [ "$current_time" -lt "$time_run" ]; then | |
| exit 2 | |
| fi | |
| fi | |
| if [[ $(networksetup -getairportnetwork en0 | grep -E "Home-Network|Work-Network") == "" ]]; then | |
| echo $(date +"%Y-%m-%d %T") "Unsupported network." | |
| exit 3 | |
| fi | |
| if [[ $(pmset -g ps | head -1) =~ "Battery" ]]; then | |
| echo $(date +"%Y-%m-%d %T") "Computer is not connected to the power source." | |
| exit 4 | |
| fi | |
| echo $$ > $PID_FILE | |
| echo $(date +"%Y-%m-%d %T") "Backup start" | |
| export B2_ACCOUNT_ID=$(security find-generic-password -s backup-restic-b2-accound-id -w) | |
| export B2_ACCOUNT_KEY=$(security find-generic-password -s backup-restic-b2-account-key -w) | |
| export RESTIC_REPOSITORY=$(security find-generic-password -s backup-restic-repository -w) | |
| export RESTIC_PASSWORD_COMMAND='security find-generic-password -s backup-restic-password-repository -w' | |
| /usr/local/bin/restic backup --verbose -o b2.connections=20 --files-from ~/backup.txt | |
| echo $(date +"%Y-%m-%d %T") "Backup finished" | |
| echo $(date -v +6H +"%s") > $TIMESTAMP_FILE | |
| rm $PID_FILE |
| <?xml version="1.0" encoding="UTF-8"?> | |
| <!DOCTYPE plist PUBLIC -//Apple Computer//DTD PLIST 1.0//EN | |
| http://www.apple.com/DTDs/PropertyList-1.0.dtd> | |
| <plist version="1.0"> | |
| <dict> | |
| <key>Label</key> | |
| <string>pl.skrajewski.restic_backup</string> | |
| <key>Program</key> | |
| <string>/Users/szymon/scripts/backup.sh</string> | |
| <key>RunAtLoad</key> | |
| <true/> | |
| <key>StartInterval</key> | |
| <integer>300</integer> | |
| <key>WorkingDirectory</key> | |
| <string>/Users/szymon/</string> | |
| <key>StandardOutPath</key> | |
| <string>/Users/szymon/Library/Logs/pl.skrajewski.restic_backup.out.log</string> | |
| <key>StandardErrorPath</key> | |
| <string>/Users/szymon/Library/Logs/pl.skrajewski.restic_backup.error.log</string> | |
| </dict> | |
| </plist> |
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