Tweak language again

Author: nealrichardson

r/R/install-arrow.R

@@ -99,8 +99,9 @@ SEE_ARROW_INSTALL <- paste(
   "See the Apache Arrow project installation page",
   "<https://arrow.apache.org/install/>",
   "to find pre-compiled binary packages for some common Linux distributions,",
-  "including Debian, Ubuntu, and CentOS. You'll need to install 'libarrow-dev'",
-  "and 'libparquet-dev'."
+  "including Debian, Ubuntu, and CentOS. You'll need to install",
+  "'libparquet-dev' on Debian and Ubuntu, or 'parquet-devel' on CentOS. This",
+  "will also automatically install the arrow C++ library as a dependency."
 )
 
 THEN_REINSTALL <- paste(

r/README.Rmd

@@ -30,7 +30,7 @@ Install the latest release of `arrow` from CRAN with
 install.packages("arrow")
 ```
 
-On macOS and Windows, installing a binary package from CRAN will handle Arrow's C++ dependencies for you. On Linux, you'll need to first install the C++ library. See the [Arrow project installation page](https://arrow.apache.org/install/) to find pre-compiled binary packages for some common Linux distributions, including Debian, Ubuntu, and CentOS. You'll need to install `libarrow-dev` and `libparquet-dev`.
+On macOS and Windows, installing a binary package from CRAN will handle Arrow's C++ dependencies for you. On Linux, you'll need to first install the C++ library. See the [Arrow project installation page](https://arrow.apache.org/install/) to find pre-compiled binary packages for some common Linux distributions, including Debian, Ubuntu, and CentOS. You'll need to install `libparquet-dev` on Debian and Ubuntu, or `parquet-devel` on CentOS. This will also automatically install the arrow C++ library as a dependency.
 
 If you install the `arrow` package from source and the C++ library is not found, the R package functions will notify you that Arrow is not available. Call
 

r/README.md

@@ -32,7 +32,9 @@ Arrow’s C++ dependencies for you. On Linux, you’ll need to first install
 the C++ library. See the [Arrow project installation
 page](https://arrow.apache.org/install/) to find pre-compiled binary
 packages for some common Linux distributions, including Debian, Ubuntu,
-and CentOS. You’ll need to install `libarrow-dev` and `libparquet-dev`.
+and CentOS. You’ll need to install `libparquet-dev` on Debian and
+Ubuntu, or `parquet-devel` on CentOS. This will also automatically
+install the arrow C++ library as a dependency.
 
 If you install the `arrow` package from source and the C++ library is
 not found, the R package functions will notify you that Arrow is not

r/tests/testthat/test-install-arrow.R

@@ -51,7 +51,7 @@ r_only({
   test_that("Linux on release version gets pointed to PPA first, then C++", {
     expect_match(
       install_arrow_msg(FALSE, "0.13.0", os="linux"),
-      "'libparquet-dev'. Or, see the Arrow C++ developer guide",
+      "dependency. Or, see the Arrow C++ developer guide",
       fixed = TRUE
     )
   })