add cli pkg

aburdulescu · Dec 12, 2023 · a336e46 · a336e46
1 parent 10a441b
commit a336e46
Showing 1 changed file with 32 additions and 0 deletions.
diff --git a/internal/cli/cmd/cmd.go b/internal/cli/cmd/cmd.go
@@ -0,0 +1,32 @@
+package cmd
+
+import (
+	"flag"
+	"fmt"
+	"os"
+)
+
+type Cmd struct {
+	// command name
+	Name string
+
+	// short usage message to be used in the app
+	Short string
+
+	// long usage message
+	Long string
+
+	// flag set
+	Flags *flag.FlagSet
+}
+
+func (c *Cmd) Init() {
+	if c.Name == "" {
+		panic("cmd: missing Name")
+	}
+	c.Flags = flag.NewFlagSet(c.Name, flag.ContinueOnError)
+	c.Flags.Usage = func() {
+		fmt.Fprint(os.Stderr, c.Long)
+		c.Flags.PrintDefaults()
+	}
+}