#!/usr/bin/env bash
# Summary: Display the version of nodenv
#
# Displays the version number of this nodenv release, including the
# current revision from git, if available.
#
# The format of the git revision is:
#   <version>+<num_commits>.<git_sha>
# where `num_commits` is the number of commits since `version` was
# tagged.

set -e
[ -n "$NODENV_DEBUG" ] && set -x

cd "${BASH_SOURCE%/*}" 2>/dev/null

version=1.4.0

semver_compliant() {
  sed -E 's/-([[:digit:]]+)-g([[:alnum:]]+)/+\1.\2/'
}

if git remote -v 2>/dev/null | grep -q nodenv; then
  git_revision="$(git describe --tags HEAD 2>/dev/null | semver_compliant || true)"
  git_revision="${git_revision#v}"
fi

echo "nodenv ${git_revision:-$version}"