Remove unused ruby activate script

pre_commit/languages/ruby.py

@@ -79,29 +79,6 @@ def _install_rbenv(
         _extract_resource('ruby-download.tar.gz', plugins_dir)
         _extract_resource('ruby-build.tar.gz', plugins_dir)
 
-    activate_path = prefix.path(directory, 'bin', 'activate')
-    with open(activate_path, 'w') as activate_file:
-        # This is similar to how you would install rbenv to your home directory
-        # However we do a couple things to make the executables exposed and
-        # configure it to work in our directory.
-        # We also modify the PS1 variable for manual debugging sake.
-        activate_file.write(
-            '#!/usr/bin/env bash\n'
-            "export RBENV_ROOT='{directory}'\n"
-            'export PATH="$RBENV_ROOT/bin:$PATH"\n'
-            'eval "$(rbenv init -)"\n'
-            'export PS1="(rbenv)$PS1"\n'
-            # This lets us install gems in an isolated and repeatable
-            # directory
-            "export GEM_HOME='{directory}/gems'\n"
-            'export PATH="$GEM_HOME/bin:$PATH"\n'
-            '\n'.format(directory=prefix.path(directory)),
-        )
-
-        # If we aren't using the system ruby, add a version here
-        if version != C.DEFAULT:
-            activate_file.write(f'export RBENV_VERSION="{version}"\n')
-
 
 def _install_ruby(
         prefix: Prefix,

tests/languages/ruby_test.py

@@ -1,7 +1,6 @@
 import os.path
-import shlex
 
-from pre_commit.languages.ruby import _install_rbenv
+from pre_commit.languages import ruby
 from pre_commit.prefix import Prefix
 from pre_commit.util import cmd_output
 from testing.util import xfailif_windows_no_ruby
@@ -10,31 +9,20 @@ from testing.util import xfailif_windows_no_ruby
 @xfailif_windows_no_ruby
 def test_install_rbenv(tempdir_factory):
     prefix = Prefix(tempdir_factory.get())
-    _install_rbenv(prefix)
+    ruby._install_rbenv(prefix)
     # Should have created rbenv directory
     assert os.path.exists(prefix.path('rbenv-default'))
-    # We should have created our `activate` script
-    activate_path = prefix.path('rbenv-default', 'bin', 'activate')
-    assert os.path.exists(activate_path)
 
     # Should be able to activate using our script and access rbenv
-    cmd_output(
-        'bash', '-c',
-        '. {} && rbenv --help'.format(
-            shlex.quote(prefix.path('rbenv-default', 'bin', 'activate')),
-        ),
-    )
+    with ruby.in_env(prefix, 'default'):
+        cmd_output('rbenv', '--help')
 
 
 @xfailif_windows_no_ruby
 def test_install_rbenv_with_version(tempdir_factory):
     prefix = Prefix(tempdir_factory.get())
-    _install_rbenv(prefix, version='1.9.3p547')
+    ruby._install_rbenv(prefix, version='1.9.3p547')
 
     # Should be able to activate and use rbenv install
-    cmd_output(
-        'bash', '-c',
-        '. {} && rbenv install --help'.format(
-            shlex.quote(prefix.path('rbenv-1.9.3p547', 'bin', 'activate')),
-        ),
-    )
+    with ruby.in_env(prefix, '1.9.3p547'):
+        cmd_output('rbenv', 'install', '--help')