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Option to use files for in|exclusion patterns to fix "Error: command too long" #63

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Commits on Dec 19, 2019

  1. [minor] Option to use files for in|exclusion patterns

    We only could include/exclude files from backup by passing them to the
    restic binary as an option inline in `restic_repos.command`.
    When the number of in/exclude patterns grows, executed command in cron file
    truncated at 999th symbol with error message "Error: command too long":
    
    https://serverfault.com/questions/546342/crontab-maximum-command-length/736010#736010
    
    This PR allows specifying include/exclude files with their contents in
    `defaults/main.yml`, then these files will be created in `tasks/install.yml`.
    Then you can reference these files in your `restic_repos.command` like this:
    
    restic --files-from {{ restic_config_path }}/includes \
      --exclude-file {{ restic_config_path }}/excludes backup
    
    It will make the command executed by cron daemon much shorter thus avoiding
    999 symbols problem.
    ilya-lesikov committed Dec 19, 2019
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