Add support for `node` and `iojs` implicit aliases.

nvm.sh

@@ -218,16 +218,16 @@ nvm_remote_version() {
   PATTERN="$1"
   local VERSION
   if nvm_validate_implicit_alias "$PATTERN" 2> /dev/null ; then
-    VERSION="$(nvm_ls_remote "$PATTERN")"
-  else
     case "_$PATTERN" in
-      "_$(nvm_node_prefix)")
-        VERSION="$(nvm_ls_remote stable)"
+      "_$(nvm_iojs_prefix)")
+        VERSION="$(nvm_ls_remote_iojs | tail -n1)"
       ;;
       *)
-        VERSION="$(nvm_remote_versions "$PATTERN" | tail -n1)"
+        VERSION="$(nvm_ls_remote "$PATTERN")"
       ;;
     esac
+  else
+    VERSION="$(nvm_remote_versions "$PATTERN" | tail -n1)"
   fi
   echo "$VERSION"
   if [ "_$VERSION" = '_N/A' ]; then
@@ -236,20 +236,24 @@ nvm_remote_version() {
 }
 
 nvm_remote_versions() {
+  local NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
   local PATTERN
   PATTERN="$1"
-  if nvm_validate_implicit_alias "$PATTERN" 2> /dev/null ; then
-    echo >&2 "Implicit aliases are not supported in nvm_remote_versions."
-    return 1
+  if [ "_$PATTERN" = "_io.js" ]; then
+    PATTERN="$NVM_IOJS_PREFIX"
   fi
   case "_$PATTERN" in
-    "_$(nvm_iojs_prefix)" | "_io.js")
+    "_$NVM_IOJS_PREFIX")
       VERSIONS="$(nvm_ls_remote_iojs)"
     ;;
     "_$(nvm_node_prefix)")
       VERSIONS="$(nvm_ls_remote)"
     ;;
     *)
+      if nvm_validate_implicit_alias "$PATTERN" 2> /dev/null ; then
+        echo >&2 "Implicit aliases are not supported in nvm_remote_versions."
+        return 1
+      fi
       VERSIONS="$(echo "$(nvm_ls_remote "$PATTERN")
 $(nvm_ls_remote_iojs "$PATTERN")" | command grep -v "N/A" | command sed '/^$/d')"
     ;;
@@ -469,10 +473,6 @@ nvm_ls() {
     return
   fi
 
-  if nvm_resolve_alias "$PATTERN"; then
-    return
-  fi
-
   local NVM_IOJS_PREFIX
   NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
   local NVM_NODE_PREFIX
@@ -489,6 +489,9 @@ nvm_ls() {
       PATTERN="$PATTERN-"
     ;;
     *)
+      if nvm_resolve_alias "$PATTERN"; then
+        return
+      fi
       PATTERN=$(nvm_ensure_version_prefix $PATTERN)
     ;;
   esac
@@ -669,10 +672,20 @@ nvm_print_versions() {
 }
 
 nvm_validate_implicit_alias() {
-  if [ "_$1" != "_stable" ] && [ "_$1" != "_unstable" ]; then
-    echo "Only implicit aliases 'stable' and 'unstable' are supported." >&2
-    return 1
-  fi
+  local NVM_IOJS_PREFIX
+  NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
+  local NVM_NODE_PREFIX
+  NVM_NODE_PREFIX="$(nvm_node_prefix)"
+
+  case "$1" in
+    "stable" | "unstable" | "$NVM_IOJS_PREFIX" | "$NVM_NODE_PREFIX" )
+      return
+    ;;
+    *)
+      echo "Only implicit aliases 'stable', 'unstable', '$NVM_IOJS_PREFIX', and '$NVM_NODE_PREFIX' are supported." >&2
+      return 1
+    ;;
+  esac
 }
 
 nvm_print_implicit_alias() {
@@ -685,18 +698,67 @@ nvm_print_implicit_alias() {
     return 2
   fi
 
+  local ZHS_HAS_SHWORDSPLIT_UNSET
+
+  local NVM_IOJS_PREFIX
+  NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
+  local NVM_NODE_PREFIX
+  NVM_NODE_PREFIX="$(nvm_node_prefix)"
+  local NVM_COMMAND
   local LAST_TWO
-  if [ "_$1" = "_local" ]; then
-    LAST_TWO=$(nvm_ls | command grep -e '^v' | cut -c2- | cut -d . -f 1,2 | uniq)
-  else
-    LAST_TWO=$(nvm_ls_remote | command grep -e '^v' | cut -c2- | cut -d . -f 1,2 | uniq)
-  fi
+  case "$2" in
+    "$NVM_IOJS_PREFIX")
+      NVM_COMMAND="nvm_ls_remote_iojs"
+      if [ "_$1" = "_local" ]; then
+        NVM_COMMAND="nvm_ls iojs"
+      fi
+
+      ZHS_HAS_SHWORDSPLIT_UNSET=1
+      if nvm_has "setopt"; then
+        ZHS_HAS_SHWORDSPLIT_UNSET=$(setopt | command grep shwordsplit > /dev/null ; echo $?)
+        setopt shwordsplit
+      fi
+
+      local NVM_IOJS_VERSION
+      NVM_IOJS_VERSION="$($NVM_COMMAND | sed "s/^"$NVM_IOJS_PREFIX"-//" | command grep -e '^v' | cut -c2- | cut -d . -f 1,2 | uniq | tail -1)"
+      local EXIT_CODE
+      EXIT_CODE="$?"
+
+      if [ $ZHS_HAS_SHWORDSPLIT_UNSET -eq 1 ] && nvm_has "unsetopt"; then
+        unsetopt shwordsplit
+      fi
+
+      echo "$(nvm_add_iojs_prefix "$NVM_IOJS_VERSION")"
+      return $EXIT_CODE
+    ;;
+    "$NVM_NODE_PREFIX")
+      echo "stable"
+      return
+    ;;
+    *)
+      NVM_COMMAND="nvm_ls_remote"
+      if [ "_$1" = "_local" ]; then
+        NVM_COMMAND="nvm_ls node"
+      fi
+
+      ZHS_HAS_SHWORDSPLIT_UNSET=1
+      if nvm_has "setopt"; then
+        ZHS_HAS_SHWORDSPLIT_UNSET=$(setopt | command grep shwordsplit > /dev/null ; echo $?)
+        setopt shwordsplit
+      fi
+
+      LAST_TWO=$($NVM_COMMAND | command grep -e '^v' | cut -c2- | cut -d . -f 1,2 | uniq)
+
+      if [ $ZHS_HAS_SHWORDSPLIT_UNSET -eq 1 ] && nvm_has "unsetopt"; then
+        unsetopt shwordsplit
+      fi
+    ;;
+  esac
   local MINOR
   local STABLE
   local UNSTABLE
   local MOD
 
-  local ZHS_HAS_SHWORDSPLIT_UNSET
   ZHS_HAS_SHWORDSPLIT_UNSET=1
   if nvm_has "setopt"; then
     ZHS_HAS_SHWORDSPLIT_UNSET=$(setopt | command grep shwordsplit > /dev/null ; echo $?)
@@ -1189,12 +1251,11 @@ nvm() {
       else
         local NVM_IOJS_PREFIX
         NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
+        local NVM_NODE_PREFIX
+        NVM_NODE_PREFIX="$(nvm_node_prefix)"
         case "_$2" in
           "_$NVM_IOJS_PREFIX" | "_io.js")
-            VERSION="$(nvm_add_iojs_prefix $(nvm_ls | command grep "$NVM_IOJS_PREFIX" | tail -n1))"
-          ;;
-          "_$(nvm_node_prefix)")
-            VERSION="$(nvm_version stable)"
+            VERSION="$(nvm_version $NVM_IOJS_PREFIX)"
           ;;
           "_system")
             VERSION="system"
@@ -1469,7 +1530,7 @@ $NVM_LS_REMOTE_IOJS_OUTPUT" | command grep -v "N/A" | sed '/^$/d')"
           fi
         done
 
-        for ALIAS in "stable" "unstable"; do
+        for ALIAS in "$(nvm_node_prefix)" "stable" "unstable" "$(nvm_iojs_prefix)"; do
           if [ ! -f "$NVM_ALIAS_DIR/$ALIAS" ]; then
             if [ $# -lt 2 ] || [ "~$ALIAS" = "~$2" ]; then
               DEST="$(nvm_print_implicit_alias local "$ALIAS")"

test/fast/Aliases/Running "nvm alias" lists implicit aliases when they do not exist

@@ -11,8 +11,16 @@ STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
 echo "$NVM_ALIAS_OUTPUT" | \grep -e "^stable -> $EXPECTED_STABLE (-> $STABLE_VERSION) (default)$" \
   || die "nvm alias did not contain the default local stable node version"
 
+echo "$NVM_ALIAS_OUTPUT" | \grep -e "^node -> stable (-> $STABLE_VERSION) (default)$" \
+  || die "nvm alias did not contain the default local stable node version under 'node'"
+
 EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
 UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
 echo "$NVM_ALIAS_OUTPUT" | \grep -e "^unstable -> $EXPECTED_UNSTABLE (-> $UNSTABLE_VERSION) (default)$" \
   || die "nvm alias did not contain the default local unstable node version"
 
+EXPECTED_IOJS="$(nvm_print_implicit_alias local iojs)"
+IOJS_VERSION="$(nvm_version "$EXPECTED_IOJS")"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e "^iojs -> $EXPECTED_IOJS (-> $IOJS_VERSION) (default)$" \
+  || die "nvm alias did not contain the default local iojs version"
+

test/fast/Aliases/Running "nvm alias" lists manual aliases instead of implicit aliases when present

@@ -6,12 +6,16 @@ die () { echo $@ ; cleanup ; exit 1; }
 cleanup () {
   rm -rf ../../../alias/stable
   rm -rf ../../../alias/unstable
+  rm -rf ../../../alias/node
+  rm -rf ../../../alias/iojs
   rm -rf ../../../v0.8.1
   rm -rf ../../../v0.9.1
+  rm -rf ../../../versions/io.js/v0.2.1
 }
 
 mkdir ../../../v0.8.1
 mkdir ../../../v0.9.1
+mkdir -p ../../../versions/io.js/v0.2.1
 
 EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
 STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
@@ -24,14 +28,22 @@ UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
 
 nvm alias stable "$EXPECTED_UNSTABLE"
 nvm alias unstable "$EXPECTED_STABLE"
+nvm alias node stable
+nvm alias iojs unstable
 
 NVM_ALIAS_OUTPUT=$(nvm alias)
 
-echo "$NVM_ALIAS_OUTPUT" | \grep -e "^stable -> $EXPECTED_UNSTABLE (-> $UNSTABLE_VERSION)$" \
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^stable -> $EXPECTED_UNSTABLE (-> $UNSTABLE_VERSION)$" \
   || die "nvm alias did not contain the overridden 'stable' alias"
 
-echo "$NVM_ALIAS_OUTPUT" | \grep -e "^unstable -> $EXPECTED_STABLE (-> $STABLE_VERSION)$" \
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^unstable -> $EXPECTED_STABLE (-> $STABLE_VERSION)$" \
   || die "nvm alias did not contain the overridden 'unstable' alias"
 
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^node -> stable (-> $UNSTABLE_VERSION)$" \
+  || die "nvm alias did not contain the overridden 'node' alias"
+
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^iojs -> unstable (-> $STABLE_VERSION)$" \
+  || die "nvm alias did not contain the overridden 'iojs' alias"
+
 cleanup
 

test/fast/Aliases/nvm_resolve_alias

@@ -23,6 +23,11 @@ EXIT_CODE=$(nvm_resolve_alias nonexistent ; echo $?)
 STABLE="$(nvm_resolve_alias stable)"
 [ "_$STABLE" = "_v0.0.10" ] || die "'nvm_resolve_alias stable' was not v0.0.10; got $STABLE"
 
+NODE="$(nvm_resolve_alias node)"
+[ "_$NODE" = "_v0.0.10" ] || die "'nvm_resolve_alias node' was not v0.0.10; got $NODE"
+
 UNSTABLE="$(nvm_resolve_alias unstable)"
 [ "_$UNSTABLE" = "_v0.1.10" ] || die "'nvm_resolve_alias unstable' was not v0.1.10; got $UNSTABLE"
 
+IOJS="$(nvm_resolve_alias iojs)"
+[ "_$IOJS" = "_iojs-v0.2.10" ] || die "'nvm_resolve_alias iojs' was not iojs-v0.2.10; got $IOJS"

test/fast/Aliases/setup

@@ -6,4 +6,6 @@ for i in $(seq 1 10)
   mkdir -p ../../../v0.0.$i
   echo 0.1.$i > ../../../alias/test-unstable-$i
   mkdir -p ../../../v0.1.$i
+  echo 0.2.$i > ../../../alias/test-iojs-$i
+  mkdir -p ../../../versions/io.js/v0.2.$i
 done

test/fast/Aliases/teardown

@@ -6,8 +6,11 @@ for i in $(seq 1 10)
   rm -rf "../../../v0.0.$i"
   rm -f "../../../alias/test-unstable-$i"
   rm -rf "../../../v0.1.$i"
+  rm -rf "../../../alias/test-iojs-$i"
+  rm -rf "../../../versions/io.js/v0.2.$i"
 done
 
 rm -f "../../../alias/stable"
 rm -f "../../../alias/unstable"
-
+rm -f "../../../alias/node"
+rm -f "../../../alias/iojs"

test/fast/Unit tests/nvm_print_implicit_alias errors

@@ -14,13 +14,13 @@ FIRST_EXIT_CODE="$(nvm_print_implicit_alias > /dev/null 2>&1 ; echo $?)"
 [ "_$FIRST_EXIT_CODE" = "_1" ] \
   || die "nvm_print_implicit_alias without local|remote had wrong exit code: expected 1, got $FIRST_EXIT_CODE"
 
-EXPECTED_SECOND_MSG="Only implicit aliases 'stable' and 'unstable' are supported."
+EXPECTED_SECOND_MSG="Only implicit aliases 'stable', 'unstable', 'iojs', and 'node' are supported."
 [ "_$(nvm_print_implicit_alias local 2>&1)" = "_$EXPECTED_SECOND_MSG" ] \
-  || die "nvm_print_implicit_alias did not require stable|unstable as second argument"
+  || die "nvm_print_implicit_alias did not require stable|unstable|iojs|node as second argument"
 [ "_$(nvm_print_implicit_alias local foo 2>&1)" = "_$EXPECTED_SECOND_MSG" ] \
-  || die "nvm_print_implicit_alias did not require stable|unstable as second argument"
+  || die "nvm_print_implicit_alias did not require stable|unstable|iojs|node as second argument"
 
 SECOND_EXIT_CODE="$(nvm_print_implicit_alias local > /dev/null 2>&1 ; echo $?)"
 [ "_$SECOND_EXIT_CODE" = "_2" ] \
-  || die "nvm_print_implicit_alias without stable|unstable had wrong exit code: expected 2, got $SECOND_EXIT_CODE"
+  || die "nvm_print_implicit_alias without stable|unstable|iojs|node had wrong exit code: expected 2, got $SECOND_EXIT_CODE"
 

test/fast/Unit tests/nvm_print_implicit_alias success

@@ -7,7 +7,8 @@ cleanup() {
   rm -rf ../../../v0.4.6
   rm -rf ../../../v0.5.7
   rm -rf ../../../v0.7.7
-  unset -f nvm_ls_remote
+  rm -rf ../../../versions/io.js/v0.98.0
+  unset -f nvm_ls_remote nvm_ls_remote_iojs
 }
 
 . ../../../nvm.sh
@@ -17,13 +18,20 @@ mkdir ../../../v0.3.4
 mkdir ../../../v0.4.6
 mkdir ../../../v0.5.7
 mkdir ../../../v0.7.7
+mkdir -p ../../../versions/io.js/v0.98.0
 
 LATEST_STABLE="$(nvm_print_implicit_alias local stable)"
 [ "_$LATEST_STABLE" = "_0.4" ] || die "local stable is not latest even minor: expected 0.4, got $LATEST_STABLE"
 
+LATEST_NODE="$(nvm_print_implicit_alias local node)"
+[ "_$LATEST_NODE" = "_stable" ] || die "local node is not stable: expected stable, got $LATEST_NODE"
+
 LATEST_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
 [ "_$LATEST_UNSTABLE" = "_0.7" ] || die "local unstable is not latest odd minor: expected 0.7, got $LATEST_UNSTABLE"
 
+LATEST_IOJS="$(nvm_print_implicit_alias local iojs)"
+[ "_$LATEST_IOJS" = "_iojs-v0.98" ] || die "local iojs is not latest iojs: expected iojs-v0.98, got $LATEST_IOJS"
+
 nvm_ls_remote() {
   echo "v0.4.3"
   echo "v0.5.4"
@@ -37,11 +45,25 @@ nvm_ls_remote() {
   echo "v0.9.7"
 }
 
+nvm_ls_remote_iojs() {
+  echo "iojs-v0.1.0"
+  echo "iojs-v0.1.1"
+  echo "iojs-v0.7.8"
+  echo "iojs-v0.98.5"
+  echo "iojs-v0.99.0"
+}
+
 LATEST_STABLE="$(nvm_print_implicit_alias remote stable)"
 [ "_$LATEST_STABLE" = "_0.6" ] || die "remote stable is not latest even minor: expected 0.6, got $LATEST_STABLE"
 
+LATEST_NODE="$(nvm_print_implicit_alias remote node)"
+[ "_$LATEST_NODE" = "_stable" ] || die "remote node is not stable: expected stable, got $LATEST_NODE"
+
 LATEST_UNSTABLE="$(nvm_print_implicit_alias remote unstable)"
 [ "_$LATEST_UNSTABLE" = "_0.9" ] || die "remote unstable is not latest odd minor: expected 0.9, got $LATEST_UNSTABLE"
 
+LATEST_IOJS="$(nvm_print_implicit_alias remote iojs)"
+[ "_$LATEST_IOJS" = "_iojs-v0.99" ] || die "remote iojs is not latest: expected iojs-v0.99, got $LATEST_IOJS"
+
 cleanup
 

test/fast/Unit tests/nvm_remote_version

@@ -33,7 +33,7 @@ nvm_ls_remote() {
   fi
 }
 nvm_ls_remote_iojs() {
-  if nvm_is_iojs_version "$1"; then
+  if [ -z "$1" ] || nvm_is_iojs_version "$1"; then
     echo "test iojs output"
     echo "more iojs test output"
     echo "iojs pattern received: _$1_"
@@ -51,11 +51,28 @@ EXIT_CODE="$(nvm_remote_version iojs-foo >/dev/null 2>&1 ; echo $?)"
   || die "nvm_remote_version iojs-foo did not return last line only of nvm_ls_remote_iojs foo; got $OUTPUT"
 [ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version iojs-foo did not exit with 0, got $EXIT_CODE"
 
+OUTPUT="$(nvm_remote_version iojs)"
+EXIT_CODE="$(nvm_remote_version iojs >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_iojs pattern received: __" ] \
+  || die "nvm_remote_version iojs did not return last line only of nvm_ls_remote_iojs; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version iojs did not exit with 0, got $EXIT_CODE"
+
 OUTPUT="$(nvm_remote_version stable)"
 EXIT_CODE="$(nvm_remote_version stable >/dev/null 2>&1 ; echo $?)"
 [ "_$OUTPUT" = "_$(nvm_ls_remote stable)" ] \
   || die "nvm_remote_version stable did not return contents of nvm_ls_remote stable; got $OUTPUT"
 [ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version stable did not exit with 0, got $EXIT_CODE"
 
-cleanup
+OUTPUT="$(nvm_remote_version unstable)"
+EXIT_CODE="$(nvm_remote_version unstable >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote unstable)" ] \
+  || die "nvm_remote_version unstable did not return contents of nvm_ls_remote unstable; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version unstable did not exit with 0, got $EXIT_CODE"
 
+OUTPUT="$(nvm_remote_version node)"
+EXIT_CODE="$(nvm_remote_version node >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote node)" ] \
+  || die "nvm_remote_version node did not return contents of nvm_ls_remote node; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version node did not exit with 0, got $EXIT_CODE"
+
+cleanup

test/fast/Unit tests/nvm_validate_implicit_alias

@@ -4,16 +4,18 @@ die () { echo $@ ; exit 1; }
 
 . ../../../nvm.sh
 
-EXPECTED_MSG="Only implicit aliases 'stable' and 'unstable' are supported."
+EXPECTED_MSG="Only implicit aliases 'stable', 'unstable', 'iojs', and 'node' are supported."
 [ "_$(nvm_validate_implicit_alias 2>&1)" = "_$EXPECTED_MSG" ] \
-  || die "nvm_validate_implicit_alias did not require stable|unstable"
+  || die "nvm_validate_implicit_alias did not require stable|unstable|iojs|node"
 [ "_$(nvm_validate_implicit_alias foo 2>&1)" = "_$EXPECTED_MSG" ] \
-  || die "nvm_validate_implicit_alias did not require stable|unstable"
+  || die "nvm_validate_implicit_alias did not require stable|unstable|iojs|node"
 
 EXIT_CODE="$(nvm_validate_implicit_alias >/dev/null 2>&1 ; echo $?)"
 [ "_$EXIT_CODE" = "_1" ] \
-  || die "nvm_validate_implicit_alias without stable|unstable had wrong exit code: expected 1, got $EXIT_CODE"
+  || die "nvm_validate_implicit_alias without stable|unstable|iojs|node had wrong exit code: expected 1, got $EXIT_CODE"
 
 nvm_validate_implicit_alias stable || die "nvm_validate_implicit_alias stable did not exit 0"
 nvm_validate_implicit_alias unstable || die "nvm_validate_implicit_alias unstable did not exit 0"
+nvm_validate_implicit_alias node || die "nvm_validate_implicit_alias node did not exit 0"
+nvm_validate_implicit_alias iojs || die "nvm_validate_implicit_alias iojs did not exit 0"