Display error if `pyenv activate` was invoked as a command

bin/pyenv-activate

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+#
+# Summary: Activate virtual environment
+#
+# Usage: pyenv activate <virtualenv>
+#        pyenv activate --unset
+#
+# Activate a Python virtualenv environment in current shell.
+# This acts almost as same as `pyenv shell`, but this invokes the `activate`
+# script in your shell.
+#
+# <virtualenv> should be a string matching a Python version known to pyenv.
+
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+{ printf "\x1B[31;1m"
+  echo
+  echo "Failed to activate virtualenv."
+  echo
+  echo "Perhaps pyenv-virtualenv has not been loaded into your shell properly."
+  echo "Please restart current shell and try again."
+  echo
+  printf "\x1B[0m"
+} 1>&2
+exit 1

bin/pyenv-deactivate

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+#
+# Summary: Deactivate virtual environment
+#
+# Usage: pyenv deactivate
+#
+# Deactivate a Python virtual environment.
+
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+{ printf "\x1B[31;1m"
+  echo
+  echo "Failed to deactivate virtualenv."
+  echo
+  echo "Perhaps pyenv-virtualenv has not been loaded into your shell properly."
+  echo "Please restart current shell and try again."
+  echo
+  printf "\x1B[0m"
+} 1>&2
+exit 1

test/activate.bats

@@ -85,3 +85,9 @@ EOS
 pyenv-virtualenv: cannot activate multiple versions at once: venv venv27
 EOS
 }
+
+@test "should fail if activate is invoked as a command" {
+  run pyenv-activate
+
+  assert_failure
+}

test/deactivate.bats

@@ -25,3 +25,9 @@ functions -q deactivate; and deactivate
 pyenv shell --unset
 EOS
 }
+
+@test "should fail if deactivate is invoked as a command" {
+  run pyenv-deactivate
+
+  assert_failure
+}