mirror of https://github.com/helm/helm
Merge pull request #5991 from thomastaylor312/ref/history
ref(*): Refactors the history action to return releasespull/6008/head
commit
b4bf3526c6
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package action
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import (
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"fmt"
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"encoding/json"
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"github.com/ghodss/yaml"
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"github.com/gosuri/uitable"
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)
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// OutputFormat is a type for capturing supported output formats
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type OutputFormat string
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// TableFunc is a function that can be used to add rows to a table
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type TableFunc func(tbl *uitable.Table)
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const (
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Table OutputFormat = "table"
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JSON OutputFormat = "json"
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YAML OutputFormat = "yaml"
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)
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// ErrInvalidFormatType is returned when an unsupported format type is used
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var ErrInvalidFormatType = fmt.Errorf("invalid format type")
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// String returns the string reprsentation of the OutputFormat
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func (o OutputFormat) String() string {
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return string(o)
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}
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// Marshal uses the specified output format to marshal out the given data. It
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// does not support tabular output. For tabular output, use MarshalTable
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func (o OutputFormat) Marshal(data interface{}) (byt []byte, err error) {
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switch o {
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case YAML:
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byt, err = yaml.Marshal(data)
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case JSON:
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byt, err = json.Marshal(data)
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default:
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err = ErrInvalidFormatType
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}
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return
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}
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// MarshalTable returns a formatted table using the given headers. Rows can be
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// added to the table using the given TableFunc
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func (o OutputFormat) MarshalTable(f TableFunc) ([]byte, error) {
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if o != Table {
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return nil, ErrInvalidFormatType
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}
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tbl := uitable.New()
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if f == nil {
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return []byte{}, nil
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}
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f(tbl)
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return tbl.Bytes(), nil
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}
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// ParseOutputFormat takes a raw string and returns the matching OutputFormat.
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// If the format does not exists, ErrInvalidFormatType is returned
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func ParseOutputFormat(s string) (out OutputFormat, err error) {
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switch s {
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case Table.String():
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out, err = Table, nil
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case JSON.String():
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out, err = JSON, nil
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case YAML.String():
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out, err = YAML, nil
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default:
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out, err = "", ErrInvalidFormatType
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}
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return
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}
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@ -1,24 +0,0 @@
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package action
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func min(x, y int) int {
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if x < y {
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return x
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}
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return y
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}
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