From d60a0ddcc1784b2dd807cc8e4d4f3deb0c074171 Mon Sep 17 00:00:00 2001
From: Jhon Honce <jhonce@redhat.com>
Date: Wed, 28 Oct 2020 11:03:09 -0700
Subject: Restore --format table header support

Signed-off-by: Jhon Honce <jhonce@redhat.com>
---
 cmd/podman/images/history.go |  3 ++-
 cmd/podman/images/list.go    | 13 +++++++++----
 cmd/podman/images/search.go  | 19 ++++++++++++-------
 3 files changed, 23 insertions(+), 12 deletions(-)

(limited to 'cmd/podman/images')

diff --git a/cmd/podman/images/history.go b/cmd/podman/images/history.go
index 3075218d1..e9751b365 100644
--- a/cmd/podman/images/history.go
+++ b/cmd/podman/images/history.go
@@ -11,6 +11,7 @@ import (
 	"unicode"
 
 	"github.com/containers/common/pkg/report"
+	"github.com/containers/podman/v2/cmd/podman/parse"
 	"github.com/containers/podman/v2/cmd/podman/registry"
 	"github.com/containers/podman/v2/pkg/domain/entities"
 	"github.com/docker/go-units"
@@ -119,7 +120,7 @@ func history(cmd *cobra.Command, args []string) error {
 	case opts.quiet:
 		row = "{{.ID}}\n"
 	}
-	format := "{{range . }}" + row + "{{end}}"
+	format := parse.EnforceRange(row)
 
 	tmpl, err := template.New("report").Parse(format)
 	if err != nil {
diff --git a/cmd/podman/images/list.go b/cmd/podman/images/list.go
index 489b15086..e24631b24 100644
--- a/cmd/podman/images/list.go
+++ b/cmd/podman/images/list.go
@@ -12,6 +12,7 @@ import (
 
 	"github.com/containers/common/pkg/report"
 	"github.com/containers/image/v5/docker/reference"
+	"github.com/containers/podman/v2/cmd/podman/parse"
 	"github.com/containers/podman/v2/cmd/podman/registry"
 	"github.com/containers/podman/v2/pkg/domain/entities"
 	"github.com/docker/go-units"
@@ -105,10 +106,10 @@ func images(cmd *cobra.Command, args []string) error {
 		return err
 	}
 	switch {
-	case listFlag.quiet:
-		return writeID(imgs)
 	case report.IsJSON(listFlag.format):
 		return writeJSON(imgs)
+	case listFlag.quiet:
+		return writeID(imgs)
 	default:
 		if cmd.Flag("format").Changed {
 			listFlag.noHeading = true // V1 compatibility
@@ -171,9 +172,13 @@ func writeTemplate(imgs []imageReporter) error {
 	} else {
 		row = report.NormalizeFormat(listFlag.format)
 	}
+	format := parse.EnforceRange(row)
+
+	tmpl, err := template.New("list").Parse(format)
+	if err != nil {
+		return err
+	}
 
-	format := "{{range . }}" + row + "{{end}}"
-	tmpl := template.Must(template.New("list").Parse(format))
 	w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
 	defer w.Flush()
 
diff --git a/cmd/podman/images/search.go b/cmd/podman/images/search.go
index b1a1442a6..66256aaa0 100644
--- a/cmd/podman/images/search.go
+++ b/cmd/podman/images/search.go
@@ -8,6 +8,7 @@ import (
 	"github.com/containers/common/pkg/auth"
 	"github.com/containers/common/pkg/report"
 	"github.com/containers/image/v5/types"
+	"github.com/containers/podman/v2/cmd/podman/parse"
 	"github.com/containers/podman/v2/cmd/podman/registry"
 	"github.com/containers/podman/v2/pkg/domain/entities"
 	"github.com/pkg/errors"
@@ -130,26 +131,30 @@ func imageSearch(cmd *cobra.Command, args []string) error {
 	}
 
 	hdrs := report.Headers(entities.ImageSearchReport{}, nil)
-	row := "{{.Index}}\t{{.Name}}\t{{.Description}}\t{{.Stars}}\t{{.Official}}\t{{.Automated}}\n"
-	if searchOptions.ListTags {
+	renderHeaders := true
+	var row string
+	switch {
+	case searchOptions.ListTags:
 		if len(searchOptions.Filters) != 0 {
 			return errors.Errorf("filters are not applicable to list tags result")
 		}
 		row = "{{.Name}}\t{{.Tag}}\n"
-	}
-	if cmd.Flags().Changed("format") {
+	case cmd.Flags().Changed("format"):
+		renderHeaders = parse.HasTable(searchOptions.Format)
 		row = report.NormalizeFormat(searchOptions.Format)
+	default:
+		row = "{{.Index}}\t{{.Name}}\t{{.Description}}\t{{.Stars}}\t{{.Official}}\t{{.Automated}}\n"
 	}
-	row = "{{range .}}" + row + "{{end}}"
+	format := parse.EnforceRange(row)
 
-	tmpl, err := template.New("search").Parse(row)
+	tmpl, err := template.New("search").Parse(format)
 	if err != nil {
 		return err
 	}
 	w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
 	defer w.Flush()
 
-	if !cmd.Flags().Changed("format") {
+	if renderHeaders {
 		if err := tmpl.Execute(w, hdrs); err != nil {
 			return errors.Wrapf(err, "failed to write search column headers")
 		}
-- 
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