add .local/bin to PATH when installing (#33)

* add .local/bin to PATH when installing

* add .local/bin to PATH when installing

install.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 INSTALL_PREFIX=${HOME}/.local
+mkdir -p ${INSTALL_PREFIX}/bin
 mkdir -p ${INSTALL_PREFIX}
 wget -4 -nc https://nodejs.org/dist/v10.9.0/node-v10.9.0-linux-x64.tar.xz --header "Referer: nodejs.org"
 tar -xf 'node-v10.9.0-linux-x64.tar.xz'
@@ -12,6 +13,7 @@ rm -rf yarn-v1.9.4*
 NODE_BIN=${INSTALL_PREFIX}/node/bin
 YARN_BIN=${INSTALL_PREFIX}/yarn/bin
 export PATH=${INSTALL_PREFIX}/node/bin:${INSTALL_PREFIX}/yarn/bin:$PATH
+echo $PATH|grep -q ${INSTALL_PREFIX}/bin || echo "export PATH=${INSTALL_PREFIX}/bin:\${PATH}" >> ${HOME}/.bashrc
 echo $PATH|grep -q ${NODE_BIN} || echo "export PATH=${NODE_BIN}:\${PATH}" >> ${HOME}/.bashrc
 echo $PATH|grep -q ${YARN_BIN} || echo "export PATH=${YARN_BIN}:\${PATH}" >> ${HOME}/.bashrc
 source ${HOME}/.bashrc

setup.py

@@ -37,23 +37,24 @@ class CustomInstallCommand(install):
             print('Error: Make Install Failed')
             exit(-1)
 
-    def writeEnvironmentVariables(self, variable_name):
-        '''write an environment variable into ~/.bashrc'''
+    def exportToPath(self, path):
+        '''add path to Path through ~/.bashrc'''
         paths = os.getenv("PATH").split(':')
-        bin_path = os.path.join(os.getenv('HOME'),'.local/'+variable_name+'/bin')
+        bin_path = os.path.join(os.getenv('HOME'),'.local/'+path)
         
         if bin_path not in paths:
             bashrc_path = os.path.join(os.getenv('HOME'), '.bashrc')
             process = Popen('echo export PATH=' + bin_path + ':\$PATH >> ' + bashrc_path, shell=True)
             if process.wait() != 0:
-                print('Error: Write Environment Variables Failed')
+                print('Error: Write Bashrc Failed')
                 exit(-1)
 
     def run(self):
         install.run(self)
         self.makeInstall()
-        self.writeEnvironmentVariables('node')
-        self.writeEnvironmentVariables('yarn')
+        self.exportToPath('bin')
+        self.exportToPath('node/bin')
+        self.exportToPath('yarn/bin')
 
 setup(
     name = 'NNI',