pyenv/libexec/rbenv-local

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#!/usr/bin/env bash
#
# Summary: Set or show the local directory-specific Ruby version
#
# Usage: rbenv local <version>
# rbenv local --unset
#
# Sets the local directory-specific Ruby version by writing the version
# name to a file named `.rbenv-version'.
#
# When you run a Ruby command, rbenv will look for an `.rbenv-version'
# file in the current directory and each parent directory. If no such
# file is found in the tree, rbenv will use the global Ruby version
# specified with `rbenv global', or the version specified in the
# RBENV_VERSION environment variable.
#
# <version> should be a string matching a Ruby version known to rbenv.
# The special version string `system' will use your default system Ruby.
# Run `rbenv versions' for a list of available Ruby versions.
set -e
[ -n "$RBENV_DEBUG" ] && set -x
# Provide rbenv completions
if [ "$1" = "--complete" ]; then
echo --unset
echo system
exec rbenv-versions --bare
fi
RBENV_VERSION="$1"
RBENV_VERSION_FILE=".rbenv-version"
if [ "$RBENV_VERSION" = "--unset" ]; then
rm -f "$RBENV_VERSION_FILE"
elif [ -n "$RBENV_VERSION" ]; then
rbenv-version-file-write "$RBENV_VERSION_FILE" "$RBENV_VERSION"
else
rbenv-version-file-read "$RBENV_VERSION_FILE" ||
{ echo "rbenv: no local version configured for this directory"
exit 1
} >&2
fi