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update: Change update notifier for new style banner. (#3289)

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For binary releases and operating systems it would be

All operating systems.
```
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Minio is 25 days 12 hours 30 minutes old                           ┃
┃ Update: https://dl.minio.io/server/minio/release/linux-amd64/minio ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
```

On docker.
```
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Minio is 25 days 12 hours 32 minutes old ┃
┃ Update: docker pull minio/minio          ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
```
This commit is contained in:
Harshavardhana
2016-11-19 23:20:13 -08:00
committed by GitHub
parent 1c47365445
commit 2c3a2241e7
8 changed files with 289 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
cmd/update-notifier.go
View File

@@ -18,15 +18,17 @@ package cmd
import (
"fmt"
"math"
"runtime"
"strings"
"time"
"github.com/cheggaaa/pb"
"github.com/fatih/color"
)
// colorizeUpdateMessage - inspired from Yeoman project npm package https://github.com/yeoman/update-notifier
func colorizeUpdateMessage(updateString string) string {
func colorizeUpdateMessage(updateString string, newerThan time.Duration) string {
// Initialize coloring.
cyan := color.New(color.FgCyan, color.Bold).SprintFunc()
yellow := color.New(color.FgYellow, color.Bold).SprintfFunc()
@@ -34,15 +36,20 @@ func colorizeUpdateMessage(updateString string) string {
// Calculate length without color coding, due to ANSI color
// characters padded to actual string the final length is wrong
// than the original string length.
line1Str := fmt.Sprintf(" New update: %s ", updateString)
hTime := timeDurationToHumanizedDuration(newerThan)
line1Str := fmt.Sprintf(" Minio is %s old ", hTime.StringShort())
line2Str := fmt.Sprintf(" Update: %s ", updateString)
line1Length := len(line1Str)
line2Length := len(line2Str)
// Populate lines with color coding.
line1InColor := fmt.Sprintf(" New update: %s ", cyan(updateString))
line1InColor := fmt.Sprintf(" Minio is %s old ", yellow(hTime.StringShort()))
line2InColor := fmt.Sprintf(" Update: %s ", cyan(updateString))
// Calculate the rectangular box size.
maxContentWidth := line1Length
// calculate the rectangular box size.
maxContentWidth := int(math.Max(float64(line1Length), float64(line2Length)))
line1Rest := maxContentWidth - line1Length
line2Rest := maxContentWidth - line2Length
// termWidth is set to a default one to use when we are
// not able to calculate terminal width via OS syscalls
@@ -54,27 +61,29 @@ func colorizeUpdateMessage(updateString string) string {
var message string
switch {
case len(line1Str) > termWidth:
message = "\n" + line1InColor + "\n"
case len(line2Str) > termWidth:
message = "\n" + line1InColor + "\n" + line2InColor + "\n"
default:
// On windows terminal turn off unicode characters.
// on windows terminal turn off unicode characters.
var top, bottom, sideBar string
if runtime.GOOS == "windows" {
top = yellow("*" + strings.Repeat("*", maxContentWidth) + "*")
bottom = yellow("*" + strings.Repeat("*", maxContentWidth) + "*")
sideBar = yellow("|")
} else {
// Color the rectangular box, use unicode characters here.
// color the rectangular box, use unicode characters here.
top = yellow("┏" + strings.Repeat("━", maxContentWidth) + "┓")
bottom = yellow("┗" + strings.Repeat("━", maxContentWidth) + "┛")
sideBar = yellow("┃")
}
// Fill spaces to the rest of the area.
// fill spaces to the rest of the area.
spacePaddingLine1 := strings.Repeat(" ", line1Rest)
spacePaddingLine2 := strings.Repeat(" ", line2Rest)
// Construct the final message.
// construct the final message.
message = "\n" + top + "\n" +
sideBar + line1InColor + spacePaddingLine1 + sideBar + "\n" +
sideBar + line2InColor + spacePaddingLine2 + sideBar + "\n" +
bottom + "\n"
}
// Return the final message.