os/scripts/version

#!/bin/bash

if [ -e .git ] || [ -e ../.git ]; then
    if [ -n "$(git status --porcelain --untracked-files=no)" ]; then
        DIRTY="-dirty"
    fi

    COMMIT=$(git rev-parse --short HEAD)
    GIT_TAG=${DRONE_TAG:-$(git tag -l --contains HEAD | head -n 1)}
else
    COMMIT=HEAD
    GIT_TAG=HEAD
    DIRTY="-dirty"
fi

if [[ -z "$DIRTY" && -n "$GIT_TAG" ]]; then
    VERSION=$GIT_TAG
else
    VERSION="${COMMIT}${DIRTY}"
fi

if [ -z "$ARCH" ]; then
    ARCH=$(go env GOHOSTARCH)
fi

SUFFIX="-${ARCH}"

HELM_TAG=${TAG:-${VERSION}}
HELM_VERSION=${HELM_TAG/v/}
TAG=${TAG:-${VERSION}${SUFFIX}}
REPO=${REPO:-rancher}

if echo $TAG | grep -q dirty; then
    TAG=dev
    HELM_TAG=dev
    HELM_VERSION=0.0.0-dev
fi

if ! echo "$HELM_VERSION" | grep -q '^[0-9]\.[0-9]'; then
    HELM_VERSION=0.0.0-dev
fi