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#!/usr/bin/env bash
# Usage: rbenv version-file [<dir>]
# Summary: Detect the file that sets the current rbenv version
set -e
[ -n "$RBENV_DEBUG" ] && set -x
target_dir="$1"
find_local_version_file() {
local root="$1"
while ! [[ "$root" =~ ^//[^/]*$ ]]; do
if [ -s "${root}/.ruby-version" ]; then
echo "${root}/.ruby-version"
return 0
fi
[ -n "$root" ] || break
root="${root%/*}"
done
return 1
}
if [ -n "$target_dir" ]; then
find_local_version_file "$target_dir"
else
find_local_version_file "$RBENV_DIR" || {
[ "$RBENV_DIR" != "$PWD" ] && find_local_version_file "$PWD"
} || echo "${RBENV_ROOT}/version"
fi
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