pyenv/libexec/rbenv-version-name
Mislav Marohnić 6820704c91 Remove warning about extraneous "ruby-" prefix in .ruby-version
When we started to support reading `.ruby-version` files, we made a
commitment to not support fuzzy version matching. Treating "ruby-2.1.5"
as "2.1.5" is a sort of fuzzy matching, so we put in place a warning
telling you to remove the extraneous "ruby-" prefix popularly used by
other Ruby version managers to denote MRI. (Their logic is that MRI is
"ruby" and other rubies are not "ruby", apparently.)

However, people are often not able to remove the prefix in their
projects because they want to support other coworkers and tools that
sadly still require the prefix, like RubyMine.

So to restore sanity for a big portion of our users, the warning is gone.
2015-01-29 01:55:58 -08:00

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#!/usr/bin/env bash
# Summary: Show the current Ruby version
set -e
[ -n "$RBENV_DEBUG" ] && set -x
if [ -z "$RBENV_VERSION" ]; then
RBENV_VERSION_FILE="$(rbenv-version-file)"
RBENV_VERSION="$(rbenv-version-file-read "$RBENV_VERSION_FILE" || true)"
fi
if [ -z "$RBENV_VERSION" ] || [ "$RBENV_VERSION" = "system" ]; then
echo "system"
exit
fi
version_exists() {
local version="$1"
[ -d "${RBENV_ROOT}/versions/${version}" ]
}
if version_exists "$RBENV_VERSION"; then
echo "$RBENV_VERSION"
elif version_exists "${RBENV_VERSION#ruby-}"; then
echo "${RBENV_VERSION#ruby-}"
else
echo "rbenv: version \`$RBENV_VERSION' is not installed" >&2
exit 1
fi