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https://github.com/superseriousbusiness/gotosocial.git
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55 lines
2.1 KiB
Python
Executable file
55 lines
2.1 KiB
Python
Executable file
#!/usr/bin/env python3
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import argparse
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import os
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import pathlib
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import sys
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def main():
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cli = argparse.ArgumentParser(
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prog="media-to-borg-patterns",
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description="""Generate Borg patterns to backup media and emoji files belonging to
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this instance. You can pass the output to Borg or Borgmatic as a patterns file.
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For example: gotosocial admin media list-attachments --local-only | media-to-borg-patterns
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<storage-local-base-path>. You can pass a second argument, the destination file, to
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write the patterns in. If it's ommitted the patterns will be emitted on stdout
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instead and you can redirect the output to a file yourself.
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For emojis, use gotosocial admin media list-emojis --local-only | media-to-borg-patterns
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instead.
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""",
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epilog="Be gay, do backups. Trans rights!"
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)
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cli.add_argument("storageroot", type=pathlib.Path, help="same value as storage-local-base-path in your GoToSocial configuration")
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cli.add_argument("destination", nargs="?", type=pathlib.Path, help="file to write patterns to, or stdout if ommitted")
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args = cli.parse_args()
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output = open(args.destination, 'w') if args.destination else sys.stdout
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# Start recursing from the storage root, including the storage root itself
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output.write("R "+str(args.storageroot)+"\n")
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prefixes=set()
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for line in sys.stdin:
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# Skip any log lines
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if "msg=" in line:
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continue
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# Reduce the path to the storage path plus the account ID. By
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# doing this we can emit path-prefix patterns, one for each account,
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# instead of a path-file pattern for each file.
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prefixes.add(os.path.join(*line.split("/")[:-3]))
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for prefix in prefixes:
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# Add a path-prefix, pp:, for each path we want to include.
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output.write("+ pp:"+os.path.join(os.path.sep, prefix)+"\n")
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# Exclude every file and directory under the storage root. This excludes
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# everything that wasn't matched by any of our prior patterns. This turns
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# the emitted patterns into an "include only" list.
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output.write("- "+os.path.join(args.storageroot, "*")+"\n")
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if output is not sys.stdout:
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output.close()
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if __name__ == "__main__":
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main()
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