add {{.RunningFor}} placeholder in ps --format

For docker compatibility

Signed-off-by: Ashley Cui <acui@redhat.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/cmd/podman/containers/ps.go b/cmd/podman/containers/ps.go
index 34fa4fab5..64271031d 100644
--- a/cmd/podman/containers/ps.go
+++ b/cmd/podman/containers/ps.go
@@ -307,6 +307,10 @@ func (l psReporter) Status() string {
 	return l.State()
 }
 
+func (l psReporter) RunningFor() string {
+	return l.CreatedHuman()
+}
+
 // Command returns the container command in string format
 func (l psReporter) Command() string {
 	command := strings.Join(l.ListContainer.Command, " ")
diff --git a/test/e2e/ps_test.go b/test/e2e/ps_test.go
index 281968fcd..f10ef5c99 100644
--- a/test/e2e/ps_test.go
+++ b/test/e2e/ps_test.go
@@ -476,5 +476,13 @@ var _ = Describe("Podman ps", func() {
 		session.WaitWithDefaultTimeout()
 		Expect(session.OutputToString()).To(ContainSubstring("echo very long cr..."))
 	})
+	It("podman ps --format {{RunningFor}}", func() {
+		_, ec, _ := podmanTest.RunLsContainer("")
+		Expect(ec).To(Equal(0))
 
+		result := podmanTest.Podman([]string{"ps", "-a", "--format", "{{.RunningFor}}"})
+		result.WaitWithDefaultTimeout()
+		Expect(result.ExitCode()).To(Equal(0))
+		Expect(result.OutputToString()).To(ContainSubstring("ago"))
+	})
 })