Add info command

cmd/info.go

@@ -0,0 +1,69 @@
+package cmd
+
+import (
+	"database/sql"
+	"fmt"
+
+	"github.com/Jaculabilis/intake/core"
+	"github.com/spf13/cobra"
+)
+
+var infoCmd = &cobra.Command{
+	Use:   "info",
+	Short: "Print intake config",
+	Long: `Print intake config as it would be used by other commands.
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		info()
+	},
+	DisableFlagsInUseLine: true,
+}
+
+func init() {
+	rootCmd.AddCommand(infoCmd)
+}
+
+func info() {
+	fmt.Printf("Revision:  %s\n", core.GetRevInfo())
+
+	fmt.Printf("Data path: %s\n", dataPath)
+	fmt.Printf("Database:  %s\n", core.DatabasePath(dataPath))
+
+	db := openDb()
+
+	row := db.QueryRow("select exists(select 1 from password)")
+	var hasPassword bool
+	if err := row.Scan(&hasPassword); err != nil && err != sql.ErrNoRows {
+		fmt.Printf("Password:  error: %v\n", err)
+	} else {
+		if hasPassword {
+			fmt.Printf("Password:  yes\n")
+		} else {
+			fmt.Printf("Password:  no\n")
+		}
+	}
+
+	row = db.QueryRow("select count(*) from sources")
+	var sources int
+	if err := row.Scan(&sources); err != nil {
+		fmt.Printf("Sources:   error: %v\n", err)
+	} else {
+		fmt.Printf("Sources:   %d\n", sources)
+	}
+
+	row = db.QueryRow("select count(*) from channels")
+	var channels int
+	if err := row.Scan(&channels); err != nil {
+		fmt.Printf("Channels:  error: %v\n", err)
+	} else {
+		fmt.Printf("Channels:  %d\n", channels)
+	}
+
+	row = db.QueryRow("select count(*) from items")
+	var items int
+	if err := row.Scan(&items); err != nil {
+		fmt.Printf("Items:     error: %v\n", err)
+	} else {
+		fmt.Printf("Items:     %d\n", items)
+	}
+}

core/info.go

@@ -0,0 +1,18 @@
+package core
+
+import "runtime/debug"
+
+func GetRevInfo() (rev string) {
+	rev = ""
+	if info, ok := debug.ReadBuildInfo(); ok {
+		for _, setting := range info.Settings {
+			if setting.Key == "vcs.revision" {
+				rev = setting.Value + rev
+			}
+			if setting.Key == "vcs.modified" {
+				rev = rev + "-dirty"
+			}
+		}
+	}
+	return
+}