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Avoid go-prompt to show colored prompt properly in Windows (#7890)

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Update prompt shows some weird characters under Windows, the reason
is that go-prompt is used to show a yes/no prompt, since go-prompt
does not seem to have a way to support color/fatih, this PR will
implements its own yes/no prompt with the correct text coloration.
This commit is contained in:
Anis Elleuch 2019-07-09 01:46:04 +01:00 committed by kannappanr
parent 58d90ed73c
commit 8e09374cb8
1 changed files with 18 additions and 3 deletions
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21
cmd/update-main.go
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@ -30,12 +30,12 @@ import (
"strings"
"time"
"github.com/fatih/color"
"github.com/inconshreveable/go-update"
"github.com/minio/cli"
xhttp "github.com/minio/minio/cmd/http"
"github.com/minio/minio/cmd/logger"
_ "github.com/minio/sha256-simd" // Needed for sha256 hash verifier.
"github.com/segmentio/go-prompt"
)
// Check for new software updates.
@ -452,7 +452,7 @@ func getUpdateInfo(timeout time.Duration, mode string) (updateMsg string, sha256
func doUpdate(sha256Hex string, latestReleaseTime time.Time, ok bool) (updateStatusMsg string, err error) {
if !ok {
updateStatusMsg = colorGreenBold("MinIO update to version RELEASE.%s canceled.",
updateStatusMsg = colorRedBold("MinIO update to version RELEASE.%s canceled.",
latestReleaseTime.Format(minioReleaseTagTimeLayout))
return updateStatusMsg, nil
}
@ -482,10 +482,25 @@ func doUpdate(sha256Hex string, latestReleaseTime time.Time, ok bool) (updateSta
latestReleaseTime.Format(minioReleaseTagTimeLayout)), nil
}
// Confirm continues prompting until the input is boolean-ish.
func confirm(prompt string, args ...interface{}) bool {
for {
var s string
fmt.Fprintf(color.Output, prompt+": ", args...)
fmt.Scanln(&s)
switch s {
case "Yes", "yes", "y", "Y":
return true
case "No", "no", "n", "N":
return false
}
}
}
func shouldUpdate(quiet bool, sha256Hex string, latestReleaseTime time.Time) (ok bool) {
ok = true
if !quiet {
ok = prompt.Confirm(colorGreenBold("Update to RELEASE.%s [%s]", latestReleaseTime.Format(minioReleaseTagTimeLayout), "yes"))
ok = confirm(colorGreenBold("Update to RELEASE.%s ? [%s]", latestReleaseTime.Format(minioReleaseTagTimeLayout), "y/n"))
}
return ok
}