From d75b1a12d74415016d08a24718bf3b7f19d93955 Mon Sep 17 00:00:00 2001
From: "Yamashita, Yuu" <peek824545201@gmail.com>
Date: Thu, 3 Mar 2016 00:37:22 +0000
Subject: [PATCH] Removed diff between ruby-build <-> python-build a little

---
 plugins/python-build/bin/python-build | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/python-build/bin/python-build b/plugins/python-build/bin/python-build
index 2f8921b7..50c104b1 100755
--- a/plugins/python-build/bin/python-build
+++ b/plugins/python-build/bin/python-build
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# Usage: python-build [-kvp] <definition> <prefix>
+# Usage: python-build [-kpv] <definition> <prefix>
 #        python-build --definitions
 #        python-build --version
 #
@@ -390,6 +390,9 @@ fetch_tarball() {
   fi
 
    if [ "$package_url" != "${package_url%xz}" ]; then
+     if ! type -p xz >/dev/null; then
+      echo "warning: xz not found; consider installing \`xz\` package" >&4
+     fi
      package_filename="${package_filename%.gz}.xz"
      tar_args="${tar_args/z/J}"
    fi