From b5cae82278c894a407f8a4150325b45b0ee5c2bc Mon Sep 17 00:00:00 2001
From: Chi-En Wu <jason.wu@hahow.in>
Date: Thu, 23 Apr 2020 16:19:20 +0800
Subject: [PATCH] refactor: remove duplicate template `common.chart`

---
 README.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/README.md b/README.md
index 5fc3da1..4e70d6f 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ It provides utilities that reflect best practices of Kubernetes chart developmen
   * [`common.serviceMonitor`](#commonservicemonitor)
   * [`common.serviceMonitor.secret`](#commonservicemonitorsecret)
 - [Partial Objects](#partial-objects)
+  * [`common.chart`](#commonchart)
   * [`common.container`](#commoncontainer)
   * [`common.fullname`](#commonfullname)
   * [`common.labels`](#commonlabels)
@@ -731,6 +732,26 @@ When writing Kubernetes resources, you may find the following helpers useful to
 
 
 
+### `common.chart`
+
+The `common.chart` helper prints the chart name and version, escaped to be legal in a Kubernetes label field.
+
+Example template:
+
+```yaml
+helm.sh/chart: {{ include "common.chart" . }}
+```
+
+For the chart `foo` with version `1.2.3-beta.55+1234`, this will render:
+
+```yaml
+helm.sh/chart: foo-1.2.3-beta.55_1234
+```
+
+(Note that `+` is an illegal character in label values)
+
+
+
 ### `common.container`
 
 The `common.container` template accepts a list of three values: