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Subject spark git commit: Skip building R vignettes if Spark is not built
Date Thu, 22 Sep 2016 18:54:55 GMT
Repository: spark
Updated Branches:
  refs/heads/branch-2.0 b25a8e6e1 -> f14f47f07

Skip building R vignettes if Spark is not built

## What changes were proposed in this pull request?

When we build the docs separately we don't have the JAR files from the Spark build in
the same tree. As the SparkR vignettes need to launch a SparkContext to be built, we skip
building them if JAR files don't exist

## How was this patch tested?

To test this we can run the following:
build/mvn -DskipTests -Psparkr clean
You should see a line `Skipping R vignettes as Spark JARs not found` at the end

Author: Shivaram Venkataraman <>

Closes #15200 from shivaram/sparkr-vignette-skip.

(cherry picked from commit 9f24a17c59b1130d97efa7d313c06577f7344338)
Signed-off-by: Reynold Xin <>


Branch: refs/heads/branch-2.0
Commit: f14f47f072a392df0ebe908f1c57b6eb858105b7
Parents: b25a8e6
Author: Shivaram Venkataraman <>
Authored: Thu Sep 22 11:52:42 2016 -0700
Committer: Reynold Xin <>
Committed: Thu Sep 22 11:54:51 2016 -0700

 R/ | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/R/ b/R/
index 0dfba22..69ffc5f 100755
--- a/R/
+++ b/R/
@@ -30,6 +30,13 @@ set -e
 # Figure out where the script is
 export FWDIR="$(cd "`dirname "$0"`"; pwd)"
+export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"
+# Required for setting SPARK_SCALA_VERSION
+. "${SPARK_HOME}"/bin/
+echo "Using Scala $SPARK_SCALA_VERSION"
 pushd $FWDIR
 # Install the package (this will also generate the Rd files)
@@ -45,9 +52,21 @@ Rscript -e 'libDir <- "../../lib"; library(SparkR, lib.loc=libDir);
-# render creates SparkR vignettes
-Rscript -e 'library(rmarkdown); paths <- .libPaths(); .libPaths(c("lib", paths)); Sys.setenv(SPARK_HOME=tools::file_path_as_absolute(".."));
render("pkg/vignettes/sparkr-vignettes.Rmd"); .libPaths(paths)'
+# Find Spark jars.
+if [ -f "${SPARK_HOME}/RELEASE" ]; then
+  SPARK_JARS_DIR="${SPARK_HOME}/assembly/target/scala-$SPARK_SCALA_VERSION/jars"
+# Only create vignettes if Spark JARs exist
+if [ -d "$SPARK_JARS_DIR" ]; then
+  # render creates SparkR vignettes
+  Rscript -e 'library(rmarkdown); paths <- .libPaths(); .libPaths(c("lib", paths)); Sys.setenv(SPARK_HOME=tools::file_path_as_absolute(".."));
render("pkg/vignettes/sparkr-vignettes.Rmd"); .libPaths(paths)'
-find pkg/vignettes/. -not -name '.' -not -name '*.Rmd' -not -name '*.md' -not -name '*.pdf'
-not -name '*.html' -delete
+  find pkg/vignettes/. -not -name '.' -not -name '*.Rmd' -not -name '*.md' -not -name '*.pdf'
-not -name '*.html' -delete
+  echo "Skipping R vignettes as Spark JARs not found in $SPARK_HOME"

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