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use - for stdin (#190)

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This commit is contained in:
Victor Vrantchan
2017-05-29 22:43:08 -04:00
committed by GitHub
parent b96c506dce
commit 891b1a2870
1 changed files with 14 additions and 9 deletions
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23
cmd/mdmctl/apply.go
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@@ -120,10 +120,7 @@ func (cmd *applyCommand) applyBlueprint(args []string) error {
}
if *flBlueprintPath != "" {
if _, err := os.Stat(*flBlueprintPath); os.IsNotExist(err) {
return err
}
jsonBytes, err := ioutil.ReadFile(*flBlueprintPath)
jsonBytes, err := readBytesFromPath(*flBlueprintPath)
if err != nil {
return err
}
@@ -183,12 +180,9 @@ func (cmd *applyCommand) applyProfile(args []string) error {
}
if *flProfilePath == "" {
flagset.Usage()
return errors.New("bad input: must provide -f parameter")
return errors.New("bad input: must provide -f parameter. use - for stdin")
}
if _, err := os.Stat(*flProfilePath); os.IsNotExist(err) {
return err
}
profileBytes, err := ioutil.ReadFile(*flProfilePath)
profileBytes, err := readBytesFromPath(*flProfilePath)
if err != nil {
return err
}
@@ -211,3 +205,14 @@ func (cmd *applyCommand) applyProfile(args []string) error {
fmt.Printf("applied profile id %s from %s\n", p.Identifier, *flProfilePath)
return nil
}
func readBytesFromPath(path string) ([]byte, error) {
if path == "-" {
return ioutil.ReadAll(os.Stdin)
}
if _, err := os.Stat(path); os.IsNotExist(err) {
return nil, err
}
return ioutil.ReadFile(path)
}