Backport PR #4934: `ipython profile create` respects `--ipython-dir`

closes  #4704

IPython/core/profileapp.py

@@ -280,8 +280,8 b' class ProfileCreate(BaseIPythonApplication):'
             app.log = self.log
             app.overwrite = self.overwrite
             app.copy_config_files=True
-            app.profile = self.profile
-            app.init_profile_dir()
+            app.ipython_dir=self.ipython_dir
+            app.profile_dir=self.profile_dir
             app.init_config_files()
 
     def stage_default_config_file(self):

IPython/core/tests/test_profile.py

@@ -36,7 +36,8 b' from IPython.core.profiledir import ProfileDir'
 from IPython.testing import decorators as dec
 from IPython.testing import tools as tt
 from IPython.utils import py3compat
-
+from IPython.utils.process import getoutput
+from IPython.utils.tempdir import TemporaryDirectory
 
 #-----------------------------------------------------------------------------
 # Globals
@@ -151,3 +152,15 b' def test_list_bundled_profiles():'
     bundled_true = [u'cluster', u'math', u'pysh', u'sympy']
     bundled = sorted(list_bundled_profiles())
     nt.assert_equal(bundled, bundled_true)
+
+
+def test_profile_create_ipython_dir():
+    """ipython profile create respects --ipython-dir"""
+    with TemporaryDirectory() as td:
+        getoutput([sys.executable, '-m', 'IPython', 'profile', 'create',
+             'foo', '--ipython-dir=%s' % td])
+        profile_dir = os.path.join(td, 'profile_foo')
+        assert os.path.exists(profile_dir)
+        ipython_config = os.path.join(profile_dir, 'ipython_config.py')
+        assert os.path.exists(ipython_config)
+        
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