add nodeenv

plugins/nodeenv/nodeenv.plugin.zsh

@@ -0,0 +1,49 @@
+if [[ ! $DISABLE_NODEENV_CD -eq 1 ]]; then
+    # Automatically activate Git projects's virtual environments based on the
+    # directory name of the project. Virtual environment name can be overridden
+    # by placing a .nodeenv file in the project root with a virtualenv name in it
+    function nodeenv_cwd {
+        if [ ! $NODEENV_CWD ]; then
+            NODEENV_CWD=1
+            # Check if this is a Git repo
+            NODEENV_PROJECT_ROOT=`git rev-parse --show-toplevel 2> /dev/null`
+            if (( $? != 0 )); then
+                NODEENV_PROJECT_ROOT="."
+            fi
+            # Check for virtualenv name override
+            if [[ -f "$NODEENV_PROJECT_ROOT/.nodeenv" ]]; then
+                NODEENV_NAME=`cat "$NODEENV_PROJECT_ROOT/.nodeenv"`
+            elif [[ -f "$NODEENV_PROJECT_ROOT/.nodeenv/bin/activate" ]];then
+                NODEENV_NAME="$NODEENV_PROJECT_ROOT/.nodeenv"
+            elif [[ "$NODEENV_PROJECT_ROOT" != "." ]]; then
+                NODEENV_NAME=`basename "$NODEENV_PROJECT_ROOT"`
+            else
+                NODEENV_NAME=""
+            fi
+            source $NODEENV_NAME/bin/activate && export CD_NODEENV="$NODEENV_NAME"
+            if [[ "$NODEENV_NAME" != "" ]]; then
+                # Activate the environment only if it is not already active
+                if [[ "$NODE_VIRTUAL_ENV" != "$WORKON_HOME/$NODEENV_NAME" ]]; then
+                    source $NODEENV_NAME/bin/activate && export CD_NODEENV="$NODEENV_NAME"
+                fi
+            elif [ $CD_NODEENV ]; then
+                # We've just left the repo, deactivate the environment
+                # Note: this only happens if the virtualenv was activated automatically
+                deactivate_node && unset CD_NODEENV
+            fi
+            unset NODEENV_PROJECT_ROOT
+            unset NODEENV_CWD
+        fi
+    }
+
+    # Append workon_cwd to the chpwd_functions array, so it will be called on cd
+    # http://zsh.sourceforge.net/Doc/Release/Functions.html
+    # TODO: replace with 'add-zsh-hook chpwd workon_cwd' when oh-my-zsh min version is raised above 4.3.4
+    if (( ${+chpwd_functions} )); then
+        if (( $chpwd_functions[(I)nodeenv_cwd] == 0 )); then
+            set -A chpwd_functions $chpwd_functions nodeenv_cwd
+        fi
+    else
+        set -A chpwd_functions nodeenv_cwd
+    fi
+fi