drop iojs support

node.js and io.js already merged back together since v4.0. and iojs.org
redirects to nodejs.org. so, it does not make sense to offer this option
for new developers using node.js >= 4.0

Signed-off-by: Kefu Chai <tchaikov@gmail.com>

Makefile

@@ -87,16 +87,6 @@ test5: clean
 		python setup.py install                 && \
 		nodeenv -p --prebuilt
 
-test6: clean
-	@echo " ="
-	@echo " = test6: separate iojs's env"
-	@echo " ="
-	@rm -rf env                           && \
-		virtualenv --no-site-packages env && \
-		. env/bin/activate                && \
-		python setup.py install           && \
-		nodeenv -p --prebuilt --iojs
-
 test7: clean
 	@echo " ="
 	@echo " = test7: freeze for global installation"

README.rst

@@ -226,18 +226,6 @@ use `shim` script::
     $ ./env-4.3/bin/shim --version
     v0.4.3
 
-
-If you want to install iojs instead of nodejs then use ``--iojs``::
-
-    $ virtualenv env
-    $ . env/bin/activate
-    (env) $ nodeenv --iojs --list
-    1.0.0   1.0.1
-    (env) $ nodeenv --iojs -p --prebuilt
-     * Install iojs (1.0.1) ... done.
-     * Appending data to ~/tmp/env/bin/activate
-
-
 Configuration
 -------------
 You can use the INI-style file ``~/.nodeenvrc`` to set default values for many options,

nodeenv.py

@@ -46,7 +46,6 @@
 
 join = os.path.join
 abspath = os.path.abspath
-iojs_taken = False
 src_base_url = None
 
 is_PY3 = sys.version_info[0] >= 3
@@ -222,15 +221,10 @@ def parse_args(check=True):
         'The default is last stable version (`latest`). '
         'Use `system` to use system-wide node.')
 
-    parser.add_option(
-        '-i', '--iojs',
-        action='store_true', dest='io', default=False,
-        help='Use iojs instead of nodejs.')
-
     parser.add_option(
         '--mirror',
         action="store", dest='mirror',
-        help='Set mirror server of nodejs.org or iojs.org to download from.')
+        help='Set mirror server of nodejs.org to download from.')
 
     if not is_WIN:
         parser.add_option(
@@ -527,12 +521,12 @@ def get_node_bin_url(version):
         postfix = '-linux-x64-musl.tar.gz'
     else:
         postfix = '-%(system)s-%(arch)s.tar.gz' % sysinfo
-    filename = '%s-v%s%s' % (get_binary_prefix(), version, postfix)
+    filename = 'node-v%s%s' % (version, postfix)
     return get_root_url(version) + filename
 
 
 def get_node_src_url(version):
-    tar_name = '%s-v%s.tar.gz' % (get_binary_prefix(), version)
+    tar_name = 'node-v%s.tar.gz' % version
     return get_root_url(version) + tar_name
 
 
@@ -546,7 +540,7 @@ def tarfile_open(*args, **kwargs):
         tf.close()
 
 
-def download_node_src(node_url, src_dir, opt, prefix):
+def download_node_src(node_url, src_dir, opt):
     """
     Download source code
     """
@@ -565,8 +559,8 @@ def download_node_src(node_url, src_dir, opt, prefix):
 
     with ctx as archive:
         node_ver = re.escape(opt.node)
-        rexp_string = r"%s-v%s[^/]*/(README\.md|CHANGELOG\.md|LICENSE)"\
-            % (prefix, node_ver)
+        rexp_string = r"node-v%s[^/]*/(README\.md|CHANGELOG\.md|LICENSE)"\
+            % node_ver
         extract_list = [
             member
             for member in members(archive)
@@ -608,7 +602,6 @@ def copy_node_from_prebuilt(env_dir, src_dir, node_version):
     Copy prebuilt binaries into environment
     """
     logger.info('.', extra=dict(continued=True))
-    prefix = get_binary_prefix()
     if is_WIN:
         dest = join(env_dir, 'Scripts')
         mkdir(dest)
@@ -620,7 +613,7 @@ def copy_node_from_prebuilt(env_dir, src_dir, node_version):
     else:
         dest = env_dir
 
-    src_folder_tpl = src_dir + to_utf8('/%s-v%s*' % (prefix, node_version))
+    src_folder_tpl = src_dir + to_utf8('/node-v%s*' % node_version)
     src_folder, = glob.glob(src_folder_tpl)
     copytree(src_folder, dest, True)
 
@@ -689,10 +682,6 @@ def build_node_from_src(env_dir, src_dir, node_src_dir, opt):
     callit([make_cmd + ' install'], opt.verbose, True, node_src_dir, env)
 
 
-def get_binary_prefix():
-    return to_utf8('node' if not iojs_taken else 'iojs')
-
-
 def install_node(env_dir, src_dir, opt):
     """
     Download source code for node.js, unpack it
@@ -708,11 +697,10 @@ def install_node(env_dir, src_dir, opt):
 
 def install_node_wrapped(env_dir, src_dir, opt):
     env_dir = abspath(env_dir)
-    prefix = get_binary_prefix()
-    node_src_dir = join(src_dir, to_utf8('%s-v%s' % (prefix, opt.node)))
+    node_src_dir = join(src_dir, to_utf8('node-v%s' % opt.node))
     src_type = "prebuilt" if opt.prebuilt else "source"
 
-    logger.info(' * Install %s %s (%s) ' % (src_type, prefix, opt.node),
+    logger.info(' * Install %s node (%s) ' % (src_type, opt.node),
                 extra=dict(continued=True))
 
     if opt.prebuilt:
@@ -722,7 +710,7 @@ def install_node_wrapped(env_dir, src_dir, opt):
 
     # get src if not downloaded yet
     if not os.path.exists(node_src_dir):
-        download_node_src(node_url, src_dir, opt, prefix)
+        download_node_src(node_url, src_dir, opt)
 
     logger.info('.', extra=dict(continued=True))
 
@@ -1020,14 +1008,9 @@ def main():
         logger.error('Installing system node.js on win32 is not supported!')
         exit(1)
 
-    global iojs_taken
     global src_base_url
 
     src_domain = None
-    if opt.io:
-        iojs_taken = True
-        src_domain = "iojs.org"
-
     if opt.mirror:
         if '://' in opt.mirror:
             src_base_url = opt.mirror