Add plural to the header

Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>

Author: silvin-lubecki

README.md

@@ -255,7 +255,7 @@ Commands:
   fork        Create a fork of an existing application to be modified
   helm        Generate a Helm chart
   init        Start building a Docker application
-  inspect     Shows metadata and settings for a given application
+  inspect     Shows metadata, settings and a summary of the compose file for a given application
   merge       Merge a multi-file application into a single file
   push        Push the application to a registry
   render      Render the Compose file for the application

e2e/testdata/envvariables-inspect.golden

@@ -6,8 +6,8 @@ Service (1) Replicas Ports Image
 ----------- -------- ----- -----
 test        1              alpine:latest
 
-Setting (4)          Value
------------          -----
+Settings (4)         Value
+------------         -----
 myapp.alpine_version latest
 myapp.command1       cat
 myapp.command2       foo

e2e/testdata/helloworld-inspect.golden

@@ -8,7 +8,7 @@ Service (1) Replicas Ports Image
 ----------- -------- ----- -----
 hello       1        8080  hashicorp/http-echo
 
-Setting (2) Value
------------ -----
-port        8080
-text        Hello, World!
+Settings (2) Value
+------------ -----
+port         8080
+text         Hello, World!

internal/inspect/inspect.go

@@ -87,7 +87,11 @@ func printSection(out io.Writer, len int, printer func(io.Writer), headers ...st
 	}
 	fmt.Fprintln(out)
 	w := tabwriter.NewWriter(out, 0, 0, 1, ' ', 0)
-	headers[0] = fmt.Sprintf("%s (%d)", headers[0], len)
+	var plural string
+	if len > 1 {
+		plural = "s"
+	}
+	headers[0] = fmt.Sprintf("%s%s (%d)", headers[0], plural, len)
 	printHeaders(w, headers...)
 	printer(w)
 	w.Flush()

internal/inspect/testdata/inspect-full.golden

@@ -20,7 +20,7 @@ Secret (1)
 ----------
 my-secret
 
-Setting (2) Value
------------ -----
-port        8080
-text        hello
+Settings (2) Value
+------------ -----
+port         8080
+text         hello