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Fix docker run/exec/create not printing error messages

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If an error message happens while parsing docker run or docker exec, the message
is not being printed out.

Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
Upstream-commit: 12a7e78b125afd277adb7cd099817a419f4faaa0
Component: engine
This commit is contained in:
Dan Walsh
2015-01-09 14:57:05 -05:00
parent 37a68ceed5
commit 287a9987a0
2 changed files with 15 additions and 11 deletions
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22
components/engine/utils/flags.go
View File

@ -27,15 +27,19 @@ func ParseFlags(cmd *flag.FlagSet, args []string, withHelp bool) error {
os.Exit(0)
}
if str := cmd.CheckArgs(); str != "" {
if withHelp {
if os.Args[0] == cmd.Name() {
str += ". See '" + os.Args[0] + " --help'"
} else {
str += ". See '" + os.Args[0] + " " + cmd.Name() + " --help'"
}
}
fmt.Fprintf(cmd.Out(), "docker: %s.\n", str)
os.Exit(1)
ReportError(cmd, str, withHelp)
}
return nil
}
func ReportError(cmd *flag.FlagSet, str string, withHelp bool) {
if withHelp {
if os.Args[0] == cmd.Name() {
str += ". See '" + os.Args[0] + " --help'"
} else {
str += ". See '" + os.Args[0] + " " + cmd.Name() + " --help'"
}
}
fmt.Fprintf(cmd.Out(), "docker: %s.\n", str)
os.Exit(1)
}