Allow users to disable detach keys

If user specifies --detach-keys="", this will disable the feature.

Adding define.DefaultDetachKeys to help screen to help identify detach keys.

Updated man pages with additonal information.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

4 files changed, 6 insertions, 4 deletions

diff --git a/cmd/podman/attach.go b/cmd/podman/attach.go
index b78633ed6..b03673f29 100644
--- a/cmd/podman/attach.go
+++ b/cmd/podman/attach.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/containers/libpod/cmd/podman/cliconfig"
+	"github.com/containers/libpod/libpod/define"
 	"github.com/containers/libpod/pkg/adapter"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -31,7 +32,7 @@ func init() {
 	attachCommand.SetHelpTemplate(HelpTemplate())
 	attachCommand.SetUsageTemplate(UsageTemplate())
 	flags := attachCommand.Flags()
-	flags.StringVar(&attachCommand.DetachKeys, "detach-keys", "", "Override the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`")
+	flags.StringVar(&attachCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`")
 	flags.BoolVar(&attachCommand.NoStdin, "no-stdin", false, "Do not attach STDIN. The default is false")
 	flags.BoolVar(&attachCommand.SigProxy, "sig-proxy", true, "Proxy received signals to the process")
 	flags.BoolVarP(&attachCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
diff --git a/cmd/podman/common.go b/cmd/podman/common.go
index 33a848553..7046d1925 100644
--- a/cmd/podman/common.go
+++ b/cmd/podman/common.go
@@ -188,7 +188,7 @@ func getCreateFlags(c *cliconfig.PodmanCommand) {
 		"Run container in background and print container ID",
 	)
 	createFlags.String(
-		"detach-keys", "",
+		"detach-keys", define.DefaultDetachKeys,
 		"Override the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`",
 	)
 	createFlags.StringSlice(
diff --git a/cmd/podman/exec.go b/cmd/podman/exec.go
index 649a7b0db..afa701897 100644
--- a/cmd/podman/exec.go
+++ b/cmd/podman/exec.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/containers/libpod/cmd/podman/cliconfig"
+	"github.com/containers/libpod/libpod/define"
 	"github.com/containers/libpod/pkg/adapter"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -34,7 +35,7 @@ func init() {
 	execCommand.SetUsageTemplate(UsageTemplate())
 	flags := execCommand.Flags()
 	flags.SetInterspersed(false)
-	flags.StringVar(&execCommand.DetachKeys, "detach-keys", "", "Override the key sequence for detaching a container. Format is a single character [a-Z] or ctrl-<value> where <value> is one of: a-z, @, ^, [, , or _")
+	flags.StringVar(&execCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character [a-Z] or ctrl-<value> where <value> is one of: a-z, @, ^, [, , or _")
 	flags.StringArrayVarP(&execCommand.Env, "env", "e", []string{}, "Set environment variables")
 	flags.BoolVarP(&execCommand.Interactive, "interactive", "i", false, "Keep STDIN open even if not attached")
 	flags.BoolVarP(&execCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
diff --git a/cmd/podman/start.go b/cmd/podman/start.go
index 2d2cf74d2..d4b4534bb 100644
--- a/cmd/podman/start.go
+++ b/cmd/podman/start.go
@@ -35,7 +35,7 @@ func init() {
 	startCommand.SetUsageTemplate(UsageTemplate())
 	flags := startCommand.Flags()
 	flags.BoolVarP(&startCommand.Attach, "attach", "a", false, "Attach container's STDOUT and STDERR")
-	flags.StringVar(&startCommand.DetachKeys, "detach-keys", "", "Override the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`")
+	flags.StringVar(&startCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`")
 	flags.BoolVarP(&startCommand.Interactive, "interactive", "i", false, "Keep STDIN open even if not attached")
 	flags.BoolVarP(&startCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
 	flags.BoolVar(&startCommand.SigProxy, "sig-proxy", false, "Proxy received signals to the process (default true if attaching, false otherwise)")