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path: root/cmd/podman/formats/formats.go
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Diffstat (limited to 'cmd/podman/formats/formats.go')
-rw-r--r--cmd/podman/formats/formats.go30
1 files changed, 24 insertions, 6 deletions
diff --git a/cmd/podman/formats/formats.go b/cmd/podman/formats/formats.go
index 4b6527b30..bfd773c45 100644
--- a/cmd/podman/formats/formats.go
+++ b/cmd/podman/formats/formats.go
@@ -11,6 +11,7 @@ import (
"github.com/ghodss/yaml"
"github.com/pkg/errors"
+ "golang.org/x/crypto/ssh/terminal"
)
const (
@@ -70,7 +71,8 @@ func (j JSONStructArray) Out() error {
// If the we did get NULL back, we should spit out {} which is
// at least valid JSON for the consumer.
- fmt.Printf("%s\n", data)
+ fmt.Printf("%s", data)
+ humanNewLine()
return nil
}
@@ -95,13 +97,20 @@ func (t StdoutTemplateArray) Out() error {
if err != nil {
return errors.Wrapf(err, "Template parsing error")
}
- for _, img := range t.Output {
+ for i, img := range t.Output {
basicTmpl := tmpl.Funcs(basicFunctions)
err = basicTmpl.Execute(w, img)
if err != nil {
return err
}
- fmt.Fprintln(w, "")
+ if i != len(t.Output)-1 {
+ fmt.Fprintln(w, "")
+ continue
+ }
+ // Only print new line at the end of the output if stdout is the terminal
+ if terminal.IsTerminal(int(os.Stdout.Fd())) {
+ fmt.Fprintln(w, "")
+ }
}
return w.Flush()
}
@@ -112,7 +121,8 @@ func (j JSONStruct) Out() error {
if err != nil {
return err
}
- fmt.Printf("%s\n", data)
+ fmt.Printf("%s", data)
+ humanNewLine()
return nil
}
@@ -126,7 +136,7 @@ func (t StdoutTemplate) Out() error {
if err != nil {
return err
}
- fmt.Println()
+ humanNewLine()
return nil
}
@@ -138,6 +148,14 @@ func (y YAMLStruct) Out() error {
if err != nil {
return err
}
- fmt.Println(string(buf))
+ fmt.Printf("%s", string(buf))
+ humanNewLine()
return nil
}
+
+// humanNewLine prints a new line at the end of the output only if stdout is the terminal
+func humanNewLine() {
+ if terminal.IsTerminal(int(os.Stdout.Fd())) {
+ fmt.Println()
+ }
+}