From f2488dc37b71be01e11f07ac66de21cbb3889537 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20H=C3=A4usler?= <haeusler.christian@mac.com>
Date: Sun, 17 Mar 2019 09:08:33 +0100
Subject: [PATCH] feat: Command to list tags of a single file (#5)

Added the sub command `inspect` which prints out the tags of a single file.
---
 cmd/inspect.go       | 32 ++++++++++++++++++++++++++++++++
 fixtures/help.golden |  3 +++
 main.go              |  1 +
 3 files changed, 36 insertions(+)
 create mode 100644 cmd/inspect.go

diff --git a/cmd/inspect.go b/cmd/inspect.go
new file mode 100644
index 0000000..4fc8e6f
--- /dev/null
+++ b/cmd/inspect.go
@@ -0,0 +1,32 @@
+package cmd
+
+import (
+	"strings"
+
+	"github.com/corvus-ch/bilocation/tag"
+	"gopkg.in/alecthomas/kingpin.v2"
+)
+
+// Inspect registers the inspect sub command to the application.
+func Inspect(app *kingpin.Application, cfg *config) {
+	c := app.Command("inspect", "show the tags of a file")
+	c.Action(func(_ *kingpin.ParseContext) error {
+		set, err := tag.Read(cfg.Path())
+		if err != nil {
+			return err
+		}
+
+		for name := range set {
+			c := set.Get(name)
+			if len(c) > 0 {
+				cfg.Log().Infof("%s (%s)", name, strings.Join(c, ", "))
+			} else {
+				cfg.Log().Info(name)
+			}
+		}
+		return nil
+	})
+	c.Arg("file", "path to the file").
+		Required().
+		ExistingFileVar(&cfg.path)
+}
diff --git a/fixtures/help.golden b/fixtures/help.golden
index 5c9237d..7c3c426 100644
--- a/fixtures/help.golden
+++ b/fixtures/help.golden
@@ -16,6 +16,9 @@ ERROR
 ERROR   untag <file> <tag>...
 ERROR     removes a tag from a file
 ERROR 
+ERROR   inspect <file>
+ERROR     show the tags of a file
+ERROR 
 ERROR   search [<flags>] <query>
 ERROR     search for files wit a given tag
 ERROR 
diff --git a/main.go b/main.go
index 8fa3aa9..70d6c51 100644
--- a/main.go
+++ b/main.go
@@ -28,6 +28,7 @@ func App(log logr.Logger) *kingpin.Application {
 	cfg := cmd.NewConfig(log)
 	cmd.Tag(app, cfg)
 	cmd.Untag(app, cfg)
+	cmd.Inspect(app, cfg)
 	cmd.Search(app, cfg)
 	cmd.Summary(app, cfg)