Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/3707#discussion_r22192578
--- Diff: build/mvn ---
@@ -0,0 +1,119 @@
+#!/usr/bin/env bash
+
+# Determine the current working directory
+_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Installs any application tarball given a URL, the expected tarball name,
+# and, optionally, a checkable binary path to determine if the binary has
+# already been installed
+## Arg1 - URL
+## Arg2 - Tarball Name
+## Arg3 - Checkable Binary
+install_app() {
+ local remote_tarball="$1/$2"
+ local local_tarball="${_DIR}/$2"
+ local binary="${_DIR}/$3"
+ if [ -z "$3" -o ! -f "$binary" ]; then
+ # check if we already have the tarball
+ # check if we have curl installed
+ # download application
+ [ ! -f "${local_tarball}" ] && [ -n "`which curl 2>/dev/null`" ] && \
+ echo "exec: curl -s ${remote_tarball}" && \
--- End diff --
Can this curl show a status bar similar to our sbt download script?
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