create project

.gitignore

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+*.swo
+*.swp

LICENSE

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+Copyright (c) 2013 Yamashita, Yuu
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# pyenv-update
+
+pyenv-update is a [pyenv](https://github.com/yyuu/pyenv) plugin
+that provides a `pyenv update` command to update pyenv and its plugins.
+
+This plugin was inspired from [rbenv-update](https://github.com/rkh/rbenv-update).
+
+## Installation
+
+### Installing as a pyenv plugin
+
+Installing pyenv-update as a pyenv plugin will give you access to the
+`pyenv update` command.
+
+    $ git clone git://github.com/yyuu/pyenv-update.git ~/.pyenv/plugins/pyenv-update
+
+## Usage
+
+To update pyenv and plugins (including pyenv-update itself), just type `pyenv update`.
+
+    $ pyenv update
+
+## Version History
+
+#### 20130531
+
+ * Initial public release.
+
+### License
+
+(The MIT License)
+
+* Copyright (c) 2013 Yamashita, Yuu
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

bin/pyenv-update

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+#!/usr/bin/env bash
+
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+if [ -z "$PYENV_ROOT" ]; then
+  PYENV_ROOT="${HOME}/.pyenv"
+fi
+
+verify_repo_origin() {
+  local repo="$1"
+  ( cd "${repo}" && git remote show origin 1>/dev/null 2>&1 ) || return 1
+}
+
+verify_repo_master() {
+  local repo="$1"
+  local name="$(cd "${repo}" && git name-rev --name-only HEAD 2>/dev/null)"
+  [[ "${name}" == "master" ]] || return 1
+}
+
+verify_repo_clean() {
+  local repo="$1"
+  if ( cd "${repo}" | git status --short ) | grep -q -v '^[!?][!?]'; then
+    return 1
+  else
+    return 0
+  fi
+}
+
+verify_repo() {
+  local repo="$1"
+  if ! verify_repo_origin "${repo}"; then
+    echo "pyenv: ${repo} does not have origin." 1>&2
+    return 1
+  fi
+  if ! verify_repo_master "${repo}"; then
+    echo "pyenv: ${repo} is not on master branch." 1>&2
+    return 1
+  fi
+  if ! verify_repo_clean "${repo}"; then
+    echo "pyenv: ${repo} is not clean" 1>&2
+    return 1
+  fi
+}
+
+update_repo() {
+  local repo="$1"
+  if ! verify_repo "${repo}"; then
+    return 1
+  fi
+  ( cd "${repo}" && git pull origin master )
+}
+
+for repo in "${PYENV_ROOT}" "${PYENV_ROOT}/plugins/"*; do
+  if [ -d "${repo}/.git" ]; then
+    echo "Updating ${repo}..." 1>&2
+    update_repo "${repo}" || exit 1
+  fi
+done