enable autocompletion of flags

command/alloc_status.go

@@ -61,7 +61,12 @@ func (c *AllocStatusCommand) Synopsis() string {
 }
 
 func (c *AllocStatusCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-short":   complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+		"-json":    complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+	}
 }
 
 func (c *AllocStatusCommand) AutocompleteArgs() complete.Predictor {

command/check.go

@@ -5,6 +5,8 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/posener/complete"
 )
 
 const (
@@ -127,3 +129,14 @@ func (c *AgentCheckCommand) checkClientHealth(clientStats map[string]string, min
 
 	return HealthPass
 }
+
+func (c *AgentCheckCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-min-peers":   complete.PredictNothing,
+		"-min-servers": complete.PredictNothing,
+	}
+}
+
+func (c *AgentCheckCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}

command/client_config.go

@@ -3,6 +3,8 @@ package command
 import (
 	"fmt"
 	"strings"
+
+	"github.com/posener/complete"
 )
 
 type ClientConfigCommand struct {
@@ -108,3 +110,14 @@ func (c *ClientConfigCommand) Run(args []string) int {
 	// Should not make it this far
 	return 1
 }
+
+func (c *ClientConfigCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-servers":        complete.PredictNothing,
+		"-update-servers": complete.PredictNothing,
+	}
+}
+
+func (c *ClientConfigCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}

command/deployment_fail.go

@@ -43,7 +43,10 @@ func (c *DeploymentFailCommand) Synopsis() string {
 }
 
 func (c *DeploymentFailCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-detach":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *DeploymentFailCommand) AutocompleteArgs() complete.Predictor {

command/deployment_list.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"github.com/hashicorp/nomad/api"
+	"github.com/posener/complete"
 )
 
 type DeploymentListCommand struct {
@@ -35,6 +36,18 @@ List Options:
 	return strings.TrimSpace(helpText)
 }
 
+func (c *DeploymentListCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-json":    complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
+}
+
+func (c *DeploymentListCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}
+
 func (c *DeploymentListCommand) Synopsis() string {
 	return "List all deployments"
 }

command/deployment_pause.go

@@ -32,11 +32,13 @@ Pause Options:
 }
 
 func (c *DeploymentPauseCommand) Synopsis() string {
-	return "Pause a deployment"
+	return "Pause a deployment."
 }
 
 func (c *DeploymentPauseCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *DeploymentPauseCommand) AutocompleteArgs() complete.Predictor {

command/deployment_promote.go

@@ -48,11 +48,15 @@ Promote Options:
 }
 
 func (c *DeploymentPromoteCommand) Synopsis() string {
-	return "Promote canaries in a deployment"
+	return "Promote canaries in a deployment."
 }
 
 func (c *DeploymentPromoteCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-group":   complete.PredictNothing,
+		"-detach":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *DeploymentPromoteCommand) AutocompleteArgs() complete.Predictor {

command/deployment_resume.go

@@ -41,7 +41,10 @@ func (c *DeploymentResumeCommand) Synopsis() string {
 }
 
 func (c *DeploymentResumeCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-detach":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *DeploymentResumeCommand) AutocompleteArgs() complete.Predictor {

command/deployment_status.go

@@ -43,7 +43,11 @@ func (c *DeploymentStatusCommand) Synopsis() string {
 }
 
 func (c *DeploymentStatusCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-verbose": complete.PredictNothing,
+		"-json":    complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+	}
 }
 
 func (c *DeploymentStatusCommand) AutocompleteArgs() complete.Predictor {

command/eval_status.go

@@ -49,7 +49,12 @@ func (c *EvalStatusCommand) Synopsis() string {
 }
 
 func (c *EvalStatusCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-json":    complete.PredictNothing,
+		"-monitor": complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *EvalStatusCommand) AutocompleteArgs() complete.Predictor {

command/fs.go

@@ -79,8 +79,17 @@ func (f *FSCommand) Synopsis() string {
 	return "Inspect the contents of an allocation directory"
 }
 
-func (f *FSCommand) AutocompleteFlags() complete.Flags {
-	return nil
+func (c *FSCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-H":       complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+		"-job":     complete.PredictNothing,
+		"-stat":    complete.PredictNothing,
+		"-f":       complete.PredictNothing,
+		"-tail":    complete.PredictNothing,
+		"-n":       complete.PredictNothing,
+		"-c":       complete.PredictNothing,
+	}
 }
 
 func (f *FSCommand) AutocompleteArgs() complete.Predictor {

command/inspect.go

@@ -42,7 +42,11 @@ func (c *InspectCommand) Synopsis() string {
 }
 
 func (c *InspectCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-version": complete.PredictNothing,
+		"-json":    complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+	}
 }
 
 func (c *InspectCommand) AutocompleteArgs() complete.Predictor {

command/job_deployments.go

@@ -44,7 +44,12 @@ func (c *JobDeploymentsCommand) Synopsis() string {
 }
 
 func (c *JobDeploymentsCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-json":    complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+		"-latest":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *JobDeploymentsCommand) AutocompleteArgs() complete.Predictor {

command/job_dispatch.go

@@ -57,7 +57,11 @@ func (c *JobDispatchCommand) Synopsis() string {
 }
 
 func (c *JobDispatchCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-meta":    complete.PredictNothing,
+		"-detach":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *JobDispatchCommand) AutocompleteArgs() complete.Predictor {

command/job_history.go

@@ -34,7 +34,7 @@ History Options:
 
   -p
     Display the difference between each job and its predecessor.
-    
+
   -full
     Display the full job definition for each version.
 
@@ -54,8 +54,14 @@ func (c *JobHistoryCommand) Synopsis() string {
 	return "Display all tracked versions of a job"
 }
 
-func (c *JobHistoryCommand) AutocompleteFlags() complete.Flags {
-	return nil
+func (c *JobHistoryCommand) Autocompleteflags() complete.Flags {
+	return complete.Flags{
+		"-p":       complete.PredictNothing,
+		"-full":    complete.PredictNothing,
+		"-version": complete.PredictNothing,
+		"-json":    complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+	}
 }
 
 func (c *JobHistoryCommand) AutocompleteArgs() complete.Predictor {

command/job_promote.go

@@ -53,7 +53,11 @@ func (c *JobPromoteCommand) Synopsis() string {
 }
 
 func (c *JobPromoteCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-group":   complete.PredictNothing,
+		"-detach":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *JobPromoteCommand) AutocompleteArgs() complete.Predictor {

command/job_revert.go

@@ -41,7 +41,10 @@ func (c *JobRevertCommand) Synopsis() string {
 }
 
 func (c *JobRevertCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-detach":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *JobRevertCommand) AutocompleteArgs() complete.Predictor {

command/job_status.go

@@ -61,7 +61,12 @@ func (c *JobStatusCommand) Synopsis() string {
 }
 
 func (c *JobStatusCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-all-allocs": complete.PredictNothing,
+		"-evals":      complete.PredictNothing,
+		"-short":      complete.PredictNothing,
+		"-verbose":    complete.PredictNothing,
+	}
 }
 
 func (c *JobStatusCommand) AutocompleteArgs() complete.Predictor {

command/keyring.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/hashicorp/nomad/api"
 	"github.com/mitchellh/cli"
+	"github.com/posener/complete"
 )
 
 // KeyringCommand is a Command implementation that handles querying, installing,
@@ -155,3 +156,15 @@ Keyring Options:
 func (c *KeyringCommand) Synopsis() string {
 	return "Manages gossip layer encryption keys"
 }
+
+func (c *KeyringCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-install": complete.PredictNothing,
+		"-list":    complete.PredictNothing,
+		"-remove":  complete.PredictNothing,
+		"-use":     complete.PredictNothing,
+	}
+}
+func (c *KeyringCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}

command/logs.go

@@ -61,8 +61,16 @@ func (l *LogsCommand) Synopsis() string {
 	return "Streams the logs of a task."
 }
 
-func (l *LogsCommand) AutocompleteFlags() complete.Flags {
-	return nil
+func (c *LogsCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-stderr":  complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+		"-job":     complete.PredictNothing,
+		"-f":       complete.PredictNothing,
+		"-tail":    complete.PredictNothing,
+		"-n":       complete.PredictNothing,
+		"-c":       complete.PredictNothing,
+	}
 }
 
 func (l *LogsCommand) AutocompleteArgs() complete.Predictor {

command/node_drain.go

@@ -46,7 +46,12 @@ func (c *NodeDrainCommand) Synopsis() string {
 }
 
 func (c *NodeDrainCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-disable": complete.PredictNothing,
+		"-enable":  complete.PredictNothing,
+		"-self":    complete.PredictNothing,
+		"-yes":     complete.PredictNothing,
+	}
 }
 
 func (c *NodeDrainCommand) AutocompleteArgs() complete.Predictor {

command/node_status.go

@@ -86,7 +86,15 @@ func (c *NodeStatusCommand) Synopsis() string {
 }
 
 func (c *NodeStatusCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-allocs":  complete.PredictNothing,
+		"-json":    complete.PredictNothing,
+		"-self":    complete.PredictNothing,
+		"-short":   complete.PredictNothing,
+		"-stats":   complete.PredictNothing,
+		"-t":       complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *NodeStatusCommand) AutocompleteArgs() complete.Predictor {

command/operator_raft_list.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"github.com/hashicorp/nomad/api"
+	"github.com/posener/complete"
 	"github.com/ryanuber/columnize"
 )
 
@@ -32,6 +33,16 @@ List Peers Options:
 	return strings.TrimSpace(helpText)
 }
 
+func (c *OperatorRaftListCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-stale": complete.PredictNothing,
+	}
+}
+
+func (c *OperatorRaftListCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}
+
 func (c *OperatorRaftListCommand) Synopsis() string {
 	return "Display the current Raft peer configuration"
 }

command/operator_raft_remove.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"github.com/hashicorp/nomad/api"
+	"github.com/posener/complete"
 )
 
 type OperatorRaftRemoveCommand struct {
@@ -36,6 +37,16 @@ Remove Peer Options:
 	return strings.TrimSpace(helpText)
 }
 
+func (c *OperatorRaftRemoveCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-peer-address": complete.PredictNothing,
+	}
+}
+
+func (c *OperatorRaftRemoveCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}
+
 func (c *OperatorRaftRemoveCommand) Synopsis() string {
 	return "Remove a Nomad server from the Raft configuration"
 }

command/plan.go

@@ -79,7 +79,10 @@ func (c *PlanCommand) Synopsis() string {
 }
 
 func (c *PlanCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-diff":    complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *PlanCommand) AutocompleteArgs() complete.Predictor {

command/run.go

@@ -98,7 +98,13 @@ func (c *RunCommand) Synopsis() string {
 }
 
 func (c *RunCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-check-index": complete.PredictNothing,
+		"-detach":      complete.PredictNothing,
+		"-verbose":     complete.PredictNothing,
+		"-vault-token": complete.PredictNothing,
+		"-output":      complete.PredictNothing,
+	}
 }
 
 func (c *RunCommand) AutocompleteArgs() complete.Predictor {

command/server_members.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"github.com/hashicorp/nomad/api"
+	"github.com/posener/complete"
 	"github.com/ryanuber/columnize"
 )
 
@@ -35,6 +36,16 @@ Server Members Options:
 	return strings.TrimSpace(helpText)
 }
 
+func (c *ServerMembersCommand) AutocompleteFlags() complete.Flags {
+	return complete.Flags{
+		"-detailed": complete.PredictNothing,
+	}
+}
+
+func (c *ServerMembersCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}
+
 func (c *ServerMembersCommand) Synopsis() string {
 	return "Display a list of known servers and their status"
 }

command/stop.go

@@ -52,7 +52,12 @@ func (c *StopCommand) Synopsis() string {
 }
 
 func (c *StopCommand) AutocompleteFlags() complete.Flags {
-	return nil
+	return complete.Flags{
+		"-detach":  complete.PredictNothing,
+		"-purge":   complete.PredictNothing,
+		"-yes":     complete.PredictNothing,
+		"-verbose": complete.PredictNothing,
+	}
 }
 
 func (c *StopCommand) AutocompleteArgs() complete.Predictor {