Instant slider animation

2 files changed, 22 insertions, 1 deletions

diff --git a/cmd/termpicker/flags.go b/cmd/termpicker/flags.go
index f3cfd53..660c053 100644
--- a/cmd/termpicker/flags.go
+++ b/cmd/termpicker/flags.go
@@ -2,4 +2,15 @@ package main
 
 import "github.com/urfave/cli/v2"
 
-var AppFlags []cli.Flag = []cli.Flag{}
+const (
+	flagLogfile = "logfile"
+)
+
+var AppFlags []cli.Flag = []cli.Flag{
+	&cli.StringFlag{
+		Name:    flagLogfile,
+		Aliases: []string{"l"},
+		Usage:   "Log file",
+		Value:   "/dev/null", // Don't log by default
+	},
+}
diff --git a/cmd/termpicker/main.go b/cmd/termpicker/main.go
index 0ebbadb..ef9f87f 100644
--- a/cmd/termpicker/main.go
+++ b/cmd/termpicker/main.go
@@ -14,6 +14,16 @@ import (
 )
 
 func AppAction(ctx *cli.Context) error {
+	logFile, err := os.Create(ctx.String(flagLogfile))
+	if err != nil {
+		slog.Error("Failed to create log file", util.ErrKey, err.Error())
+		os.Exit(1)
+	}
+	defer logFile.Close()
+
+	handler := slog.NewJSONHandler(logFile, nil)
+	slog.SetDefault(slog.New(handler))
+
 	slog.Info("Starting Termpicker")
 	// RGB {{{
 	r := slider.New('R', 255, progress.WithGradient("#660000", "#ff0000"))