thisisnic opened a new issue, #49591:
URL: https://github.com/apache/arrow/issues/49591
### Describe the bug, including details regarding any error messages,
version, and platform.
### Describe the bug, including details regarding any error messages,
version, and platform.
The `r-binary-packages` crossbow job fails for CRAN patch releases
(4-component versions like `23.0.1.1`).
(This is all Claude diagnoses but looks right to me)
**Root cause:**
1. The binary build job extracts the version directly from DESCRIPTION and
names files with the full version: `r-libarrow-linux-x86_64-23.0.1.1.zip`
2. The test job runs `nixlibs.R` which truncates the version to 3 components
for releases (line 991: `VERSION <- VERSION[1, 1:3]`)
3. The test job then looks for: `r-libarrow-linux-x86_64-23.0.1.zip`
(missing the `.1`)
4. File not found → installation fails
**Error from logs:**
```
Error in download.file(from_url, to_file, quiet = hush, mode = "wb") :
cannot open URL
'file:///__w/crossbow/crossbow/repo/libarrow/r-libarrow-linux-x86_64-23.0.1.zip',
reason 'No such file or directory'
```
This was introduced in #45964 when migrating from jfrog to GitHub releases.
The new naming scheme embeds the version directly in the filename, but the CI
uses the full 4-component version while `nixlibs.R` truncates to 3 components
for release versions.
**Example failing run:**
https://github.com/ursacomputing/crossbow/actions/runs/23490124501
### Component(s)
R
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