From 332f413eb397aa78954b91cbfaad94d3f5c53f9f Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Tue, 9 Feb 2016 11:19:14 -0800
Subject: [PATCH] [New] expand `xz` support to more versions.

Per https://github.com/nodejs/node/pull/4894#issuecomment-175989848
---
 nvm.sh | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/nvm.sh b/nvm.sh
index 383b0b7..b208b84 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -3089,7 +3089,39 @@ nvm_supports_source_options() {
 }
 
 nvm_supports_xz() {
-  command which xz >/dev/null 2>&1 && nvm_version_greater_than_or_equal_to "$1" "2.3.2"
+  if [ -z "${1-}" ] || ! command which xz >/dev/null 2>&1; then
+    return 1
+  fi
+
+  # all node versions v4.0.0 and later have xz
+  if nvm_is_merged_node_version "${1}"; then
+    return 0
+  fi
+
+  # 0.12x: node v0.12.10 and later have xz
+  if nvm_version_greater_than_or_equal_to "${1}" "0.12.10" \
+    && nvm_version_greater "0.13.0" "${1}"; then
+    return 0
+  fi
+
+  # 0.10x: node v0.10.42 and later have xz
+  if nvm_version_greater_than_or_equal_to "$1" "0.10.42" \
+    && nvm_version_greater "0.11.0" "$1"; then
+    return 0
+  fi
+
+  local NVM_OS
+  NVM_OS="$(nvm_get_os)"
+  case "${NVM_OS}" in
+    darwin)
+      # darwin only has xz for io.js v2.3.2 and later
+      nvm_version_greater_than_or_equal_to "${1}" "2.3.2"
+    ;;
+    *)
+      nvm_version_greater_than_or_equal_to "${1}" "1.0.0"
+    ;;
+  esac
+  return $?
 }
 
 nvm_auto() {