[fix] `nvm exec`: show “io.js” for io.js versions.

nvm.sh

@@ -2225,7 +2225,13 @@ nvm() {
         return $EXIT_CODE
       fi
 
-      [ $NVM_SILENT -eq 1 ] || echo "Running node $VERSION$(nvm use --silent "$VERSION" && nvm_print_npm_version)"
+      if [ "${NVM_SILENT:-0}" != '1' ]; then
+        if nvm_is_iojs_version "$VERSION"; then
+          echo "Running io.js $(nvm_strip_iojs_prefix "$VERSION")$(nvm use --silent "$VERSION" && nvm_print_npm_version)"
+        else
+          echo "Running node $VERSION$(nvm use --silent "$VERSION" && nvm_print_npm_version)"
+        fi
+      fi
       NODE_VERSION="$VERSION" "$NVM_DIR/nvm-exec" "$@"
     ;;
     "ls" | "list" )

test/slow/nvm exec/Preamble works and respects "silent" flag

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm use 0.10
+NPM_VERSION_TEN="$(npm --version)"
+NODE_VERSION_TEN="$(node --version)"
+
+nvm use 1.0.0 && [ "$(node --version)" = "v1.0.0" ] || die "\`nvm use\` failed!"
+NPM_VERSION_ONE="$(npm --version)"
+
+OUTPUT="$(nvm exec 0.10 npm --version)"
+EXPECTED_OUTPUT="Running node ${NODE_VERSION_TEN} (npm v${NPM_VERSION_TEN})
+${NPM_VERSION_TEN}"
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "\`nvm exec\` failed to report node preamble; expected '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+OUTPUT="$(nvm exec --silent 0.10 npm --version | head -1)"
+EXPECTED_OUTPUT="${NPM_VERSION_TEN}"
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "\`nvm exec --silent\` failed to node suppress preamble; expected '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+OUTPUT="$(nvm exec 1 npm --version)"
+EXPECTED_OUTPUT="Running io.js v1.0.0 (npm v${NPM_VERSION_ONE})
+${NPM_VERSION_ONE}"
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "\`nvm exec\` failed to report io.js preamble; expected '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+OUTPUT="$(nvm exec --silent 1 npm --version | head -1)"
+EXPECTED_OUTPUT="${NPM_VERSION_ONE}"
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "\`nvm exec --silent\` failed to suppress io.js preamble; expected '$EXPECTED_OUTPUT', got '$OUTPUT'"
+

test/slow/nvm exec/Running "nvm exec 0.x" should work

@@ -8,7 +8,7 @@ nvm use 0.10
 NPM_VERSION_TEN="$(npm --version)"
 TEST_STRING="foo bar"
 
-nvm use 0.11.7 && [ "$(node --version)" = "v0.11.7" ] || die "\`nvm use\` failed!"
+nvm use 1.0.0 && [ "$(node --version)" = "v1.0.0" ] || die "\`nvm use\` failed!"
 
 [ "$(nvm exec 0.10 npm --version | tail -1)" = "$NPM_VERSION_TEN" ] || die "`nvm exec` failed to run with the correct version"
 

test/slow/nvm exec/Running "nvm exec" should pick up .nvmrc version

@@ -7,7 +7,7 @@ die () { echo $@ ; exit 1; }
 nvm use 0.10.7
 NPM_VERSION_TEN="$(npm --version)"
 
-nvm use 0.11.7 && [ "$(node --version)" = "v0.11.7" ] || die "\`nvm use\` failed!"
+nvm use 1.0.0 && [ "$(node --version)" = "v1.0.0" ] || die "\`nvm use\` failed!"
 
 echo "0.10.7" > .nvmrc
 

test/slow/nvm exec/setup_dir

@@ -2,7 +2,7 @@
 
 . ../../../nvm.sh
 nvm install 0.10.7
-nvm install 0.11.7
+nvm install 1.0.0
 
 if [ -f ".nvmrc" ]; then
   mv .nvmrc .nvmrc.bak

test/slow/nvm exec/teardown_dir

@@ -3,7 +3,7 @@
 . ../../../nvm.sh
 nvm deactivate
 nvm uninstall v0.10.7
-nvm uninstall v0.11.7
+nvm uninstall v1.0.0
 
 rm .nvmrc