james-rms opened a new pull request, #7147:
URL: https://github.com/apache/arrow-rs/pull/7147

   # Which issue does this PR close?
   
   TBD
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   Closes #.
   
   # Rationale for this change
    
   Right now the `object_store` crate can't read an object in GCS with name 
`[foo]`.
   
   `GCSObjectStore::get(&Path::from("[foo]")` will see the object name percent 
encoded once in `PathPart::from`, then again in `GcsObjectStore::object_url`, 
and the resulting request URL will be double-encoded `%255Bfoo%255D` instead of 
`%5Bfoo%5D`.
   
   This double-encoding seems like a bug to me. It probably doesn't affect 
clients who exclusively use the `object_store` crate (since the double encoding 
happens on read and write) but for those operating across multiple stores, this 
is a serious issue.
   
   Fixing this bug will introduce a backwards-compatibility issue for users who 
have written double-encoded object paths into GCS using `object_store`. If this 
is not acceptable, I can add an option into the client and client builder to 
enable or disable this behavior.
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   # What changes are included in this PR?
   
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   # Are there any user-facing changes?
   
   
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