From 59939d09e8f7b089d47a8976e5d0a02a3cc8a173 Mon Sep 17 00:00:00 2001
From: stelcheck <mtrudel@wizcorp.jp>
Date: Thu, 28 Aug 2014 22:45:07 +0900
Subject: [PATCH 1/3] * Make the creation of a symlink an overridable default
 behaviour

---
 nvm.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nvm.sh b/nvm.sh
index e121fff..01585e3 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -647,7 +647,9 @@ nvm() {
       export NODE_PATH
       export NVM_PATH="$NVM_VERSION_DIR/lib/node"
       export NVM_BIN="$NVM_VERSION_DIR/bin"
-      rm -f "$NVM_DIR/current" && ln -s "$NVM_VERSION_DIR" "$NVM_DIR/current"
+      if [ "$NVM_SYMLINK_CURRENT" = true ] || [ -z "$NVM_SYMLINK_CURRENT" ]; then
+        rm -f "$NVM_DIR/current" && ln -s "$NVM_VERSION_DIR" "$NVM_DIR/current"
+      fi
       echo "Now using node $VERSION"
     ;;
     "run" )

From 9306a9b3f02933632ba5a19bedfb66423e4f84f0 Mon Sep 17 00:00:00 2001
From: stelcheck <mtrudel@wizcorp.jp>
Date: Fri, 29 Aug 2014 14:57:30 +0900
Subject: [PATCH 2/3] * Unit tests

---
 ... symlink if $NVM_SYMLINK_CURRENT is false" | 85 +++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100755 "test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"

diff --git "a/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false" "b/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"
new file mode 100755
index 0000000..bf64b18
--- /dev/null
+++ "b/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"	
@@ -0,0 +1,85 @@
+#!/bin/bash
+
+. ../../nvm.sh
+
+TEST_NODE_VERSION="v0.10.29"
+
+TEST_COUNT=0
+TEST_PASSED=0
+TEST_FAILED=0
+
+function registerExpectedSymlink() {
+  registerResult ${1}
+}
+
+function registerExpectedNoSymlink() {
+  [ ${1} -ne 0 ]
+  registerResult $?
+}
+
+function registerResult() {
+  result=${1}
+
+  TEST_COUNT=$(($TEST_COUNT + 1))
+
+  [ ${result} -eq 0 ] \
+    && TEST_PASSED=$(($TEST_PASSED + 1)) \
+    || TEST_FAILED=$(($TEST_FAILED + 1))
+}
+
+function cleanup() {
+  rm -rf ../../${TEST_NODE_VERSION}
+  rm -f ../../current
+}
+
+function runNvmUse() {
+  mkdir ../../${TEST_NODE_VERSION}
+  nvm use ${TEST_NODE_VERSION} &> /dev/null
+  rmdir ../../${TEST_NODE_VERSION}
+}
+
+function isCurrentSymlinkPresent() {
+  [ -L ../../current ]
+}
+
+NVM_SYMLINK_CURRENT=false
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=false!"
+registerExpectedNoSymlink $?
+
+NVM_SYMLINK_CURRENT=true
+cleanup
+runNvmUse
+isCurrentSymlinkPresent || echo "Expected 'current' symlink to be created when NVM_SYMLINK_CURRENT=true!"
+registerExpectedSymlink $?
+
+NVM_SYMLINK_CURRENT=garbagevalue
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT contains a string!"
+registerExpectedNoSymlink $?
+
+NVM_SYMLINK_CURRENT=0
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=0!"
+registerExpectedNoSymlink $?
+
+NVM_SYMLINK_CURRENT=1
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=1!"
+registerExpectedNoSymlink $?
+
+unset NVM_SYMLINK_CURRENT
+cleanup
+runNvmUse
+isCurrentSymlinkPresent || echo "Expected 'current' symlink to be created when NVM_SYMLINK_CURRENT has been unset (default behaviour)!"
+registerExpectedSymlink $?
+
+cleanup
+
+echo "$(basename "$0"): ${TEST_COUNT} tested, ${TEST_PASSED} passed, ${TEST_FAILED} failed"
+
+[ ${TEST_FAILED} -ne 0 ] && exit 1

From 83a0efb08597c7781d06c01ff6116dcd279203db Mon Sep 17 00:00:00 2001
From: stelcheck <mtrudel@wizcorp.jp>
Date: Fri, 29 Aug 2014 15:01:15 +0900
Subject: [PATCH 3/3] * We print stats only on failure * || true

---
 ... the \"current\" symlink if $NVM_SYMLINK_CURRENT is false" | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git "a/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false" "b/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"
index bf64b18..8ae7b29 100755
--- "a/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"	
+++ "b/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"	
@@ -80,6 +80,4 @@ registerExpectedSymlink $?
 
 cleanup
 
-echo "$(basename "$0"): ${TEST_COUNT} tested, ${TEST_PASSED} passed, ${TEST_FAILED} failed"
-
-[ ${TEST_FAILED} -ne 0 ] && exit 1
+[ ${TEST_FAILED} -ne 0 ] && echo "${TEST_COUNT} tested, ${TEST_PASSED} passed, ${TEST_FAILED} failed" && exit 1 || true