pyenv/libexec/rbenv---version

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#!/usr/bin/env bash
# Summary: Display the version of rbenv
#
# Displays the current revision info of rbenv from git if available, or falls
# back to the version of the last release.
#
# The format of the git revision is:
# ${version}-${num_commits}-g${git_sha}
# where `num_commits` is the number of commits since `version` was tagged.
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set -e
[ -n "$RBENV_DEBUG" ] && set -x
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version=0.3.0
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cd "$RBENV_ROOT"
git_revision="$(git describe --tags HEAD 2>/dev/null || true)"
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git_revision="${git_revision#v}"
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echo "rbenv ${git_revision:-$version}"