[jira] [Created] (ARROW-12008) [R] [Packaging] Developing + {LIBARROW_BINARY=true}

["Jonathan Keane (Jira)" <ji...@apache.org>]

Jonathan Keane created ARROW-12008:
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             Summary: [R] [Packaging] Developing + {LIBARROW_BINARY=true}
                 Key: ARROW-12008
                 URL: https://issues.apache.org/jira/browse/ARROW-12008
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Packaging, R
            Reporter: Jonathan Keane


As far as I can tell from reading configure + nixlibs.sh, if one tries to use {LIBARROW_BINARY=true}} on a source checkout there really isn't a binary to be found to install. The installation process does mention that a binary isn't found + it will build from source. 

I don't know that we need to support installing a binary from a development branch (afterall, it's entirely possible libarrow would no longer be compatible with the r package) but I think we should fail a little bit more loudly (or express that the binary install will not be attempted because it looks like one is building from a source checkout (possibly detected by seeing if the version is ~x.x.x.9000)).

Alternatively, we could add date-guessing and attempt to download the nightly libarrow corresponding to that.



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