created new project.

modified rbenv source for Python and renamed to pyenv.

libexec/pyenv-help

@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+print_set_version() {
+  echo "<version> should be a string matching a Python version known by pyenv."
+
+  local versions="$(pyenv-versions --bare)"
+  if [ -z "$versions" ]; then
+    echo "There are currently no Python versions installed for pyenv."
+  else
+    echo "The currently installed Python versions are:"
+    echo "$versions" | sed 's/^/  /'
+  fi
+
+  echo
+  echo "The special version string 'system' will use your default system Python"
+}
+
+case "$1" in
+"") echo "usage: pyenv <command> [<args>]
+
+Some useful pyenv commands are:
+   commands      List all pyenv commands
+   rehash        Rehash pyenv shims (run this after installing binaries)
+   global        Set or show the global Python version
+   local         Set or show the local directory-specific Python version
+   shell         Set or show the shell-specific Python version
+   version       Show the current Python version
+   versions      List all Python versions known by pyenv
+   which         Show the full path for the given Python command
+   whence        List all Python versions with the given command
+
+See 'pyenv help <command>' for information on a specific command.
+For full documentation, see: https://github.com/sstephenson/pyenv#readme"
+;;
+commands) echo "usage: pyenv commands
+       pyenv commands --sh
+       pyenv commands --no-sh
+
+List all pyenv commands."
+;;
+global) echo "usage: pyenv global <version>
+
+Sets the global Python version. You can override the global version at
+any time by setting a directory-specific version with \`pyenv local'
+or by setting the PYENV_VERSION environment variable.
+
+$(print_set_version)"
+;;
+local) echo "usage: pyenv local <version>
+       pyenv local --unset
+
+Sets the local directory-specific Python version by writing the version
+name to a file named '.pyenv-version'.
+
+When you run a Python command, pyenv will look for an '.pyenv-version'
+file in the current directory and each parent directory. If no such
+file is found in the tree, pyenv will use the global Python version
+specified with \`pyenv global', or the version specified in the
+PYENV_VERSION environment variable.
+
+$(print_set_version)"
+;;
+shell) echo "usage: pyenv shell <version>
+       pyenv shell --unset
+
+Sets a shell-specific Python version by setting the 'PYENV_VERSION'
+environment variable in your shell. This version overrides both
+project-specific versions and the global version.
+
+$(print_set_version)"
+;;
+versions) echo "usage: pyenv versions
+       pyenv versions --bare
+
+Lists all Python versions known by pyenv."
+;;
+which) echo "usage: pyenv which <command>
+
+Displays the full path to the binary that pyenv will execute when you
+run the given command."
+;;
+whence) echo "usage: pyenv whence <command>
+
+Lists all Python versions with the given command installed."
+;;
+*)
+  command_path="$(command -v "pyenv-$1" || true)"
+  if [ -n "$command_path" ]; then
+    echo "Sorry, the \`$1' command isn't documented yet."
+    echo
+    echo "You can view the command's source here:"
+    echo "$command_path"
+    echo
+  else
+    echo "pyenv: no such command \`$1'"
+  fi
+esac