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62f8343879
This is a consolidation effort, avoiding usage of naked strings in codebase. Whenever possible use constants which can be repurposed elsewhere. This also fixes `goconst ./...` reported issues.
92 lines
3.1 KiB
Go
92 lines
3.1 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 cmd
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import (
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"fmt"
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"math"
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"runtime"
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"strings"
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"time"
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"github.com/cheggaaa/pb"
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"github.com/fatih/color"
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)
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// colorizeUpdateMessage - inspired from Yeoman project npm package https://github.com/yeoman/update-notifier
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func colorizeUpdateMessage(updateString string, newerThan time.Duration) string {
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// Initialize coloring.
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cyan := color.New(color.FgCyan, color.Bold).SprintFunc()
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yellow := color.New(color.FgYellow, color.Bold).SprintfFunc()
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// Calculate length without color coding, due to ANSI color
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// characters padded to actual string the final length is wrong
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// than the original string length.
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hTime := timeDurationToHumanizedDuration(newerThan)
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line1Str := fmt.Sprintf(" Minio is %s old ", hTime.StringShort())
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line2Str := fmt.Sprintf(" Update: %s ", updateString)
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line1Length := len(line1Str)
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line2Length := len(line2Str)
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// Populate lines with color coding.
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line1InColor := fmt.Sprintf(" Minio is %s old ", yellow(hTime.StringShort()))
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line2InColor := fmt.Sprintf(" Update: %s ", cyan(updateString))
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// calculate the rectangular box size.
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maxContentWidth := int(math.Max(float64(line1Length), float64(line2Length)))
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line1Rest := maxContentWidth - line1Length
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line2Rest := maxContentWidth - line2Length
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// termWidth is set to a default one to use when we are
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// not able to calculate terminal width via OS syscalls
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termWidth := 25
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if width, err := pb.GetTerminalWidth(); err == nil {
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termWidth = width
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}
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var message string
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switch {
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case len(line2Str) > termWidth:
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message = "\n" + line1InColor + "\n" + line2InColor + "\n"
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default:
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// on windows terminal turn off unicode characters.
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var top, bottom, sideBar string
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if runtime.GOOS == globalWindowsOSName {
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top = yellow("*" + strings.Repeat("*", maxContentWidth) + "*")
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bottom = yellow("*" + strings.Repeat("*", maxContentWidth) + "*")
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sideBar = yellow("|")
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} else {
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// color the rectangular box, use unicode characters here.
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top = yellow("┏" + strings.Repeat("━", maxContentWidth) + "┓")
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bottom = yellow("┗" + strings.Repeat("━", maxContentWidth) + "┛")
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sideBar = yellow("┃")
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}
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// fill spaces to the rest of the area.
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spacePaddingLine1 := strings.Repeat(" ", line1Rest)
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spacePaddingLine2 := strings.Repeat(" ", line2Rest)
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// construct the final message.
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message = "\n" + top + "\n" +
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sideBar + line1InColor + spacePaddingLine1 + sideBar + "\n" +
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sideBar + line2InColor + spacePaddingLine2 + sideBar + "\n" +
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bottom + "\n"
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}
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// Return the final message.
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return message
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}
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