Merge pull request #622 from ohcibi/master

Prefer tee over > to maximize compatibility

nvm.sh

@@ -1448,7 +1448,7 @@ $NVM_LS_REMOTE_IOJS_OUTPUT" | command grep -v "N/A" | sed '/^$/d')"
       if [ $? -ne 0 ]; then
         echo "! WARNING: Version '$3' does not exist." >&2
       fi
-      echo "$3" > "$NVM_ALIAS_DIR/$2"
+      echo "$3" | tee "$NVM_ALIAS_DIR/$2"
       if [ ! "_$3" = "_$VERSION" ]; then
         echo "$2 -> $3 (-> $VERSION)"
       else

test/fast/Aliases/Running "nvm alias <aliasname> <target>" again should change the target

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+if [ -n "$ZSH_VERSION" ]; then
+  # set clobber option in order to test that this does not produce any
+  # incompatibilities
+  setopt noclobber
+fi
+
+nvm alias test-stable-1 0.0.2
+
+nvm alias test-stable-1 | \grep -e "test-stable-1 -> 0.0.2 (-> v0.0.2)" \
+  || die "nvm alias test-stable-1 0.0.2 did not set test-stable-1 to 0.0.2"
+
+nvm alias test-stable-1 0.0.1
+
+nvm alias test-stable-1 | \grep -e "test-stable-1 -> 0.0.1 (-> v0.0.1)" \
+  || die "nvm alias test-stable-1 0.0.1 did not set test-stable-1 to 0.0.1"