octoleo/gh-ost
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Merge branch 'master' into resurrect

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This commit is contained in:
Shlomi Noach 2016-12-30 07:59:21 +02:00
commit 856d0d487a
1 changed files with 5 additions and 0 deletions
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5
go/cmd/gh-ost/main.go
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@ -117,8 +117,13 @@ func main() {
stack := flag.Bool("stack", false, "add stack trace upon error")
help := flag.Bool("help", false, "Display usage")
version := flag.Bool("version", false, "Print version & exit")
checkFlag := flag.Bool("check-flag", false, "Check if another flag exists/supported. This allows for cross-version scripting. Exits with 0 when all additional provided flags exist, nonzero otherwise. You must provide (dummy) values for flags that require a value. Example: gh-ost --check-flag --cut-over-lock-timeout-seconds --nice-ratio 0")
flag.Parse()
if *checkFlag {
return
}
if *help {
fmt.Fprintf(os.Stderr, "Usage of gh-ost:\n")
flag.PrintDefaults()