Support system path systems everywhere

pkg/cmd/cli/key.go

@@ -28,7 +28,11 @@ func (c *CreateCmd) Run(cli *CliContext) error {
 		fmt.Println("The following key has been generated and saved to: ", cli.config.configPath)
 	} else {
 		conf = cli.config.keyConfig
-		fmt.Printf("Key already exists at: %s. Use --force to overwrite.\n", cli.config.configPath)
+		fmt.Printf(`Key already exists at: %s.
+
+!!CAUTION!!
+You may overwrite this existing key but this action is irreversible and may invalidate any PAIR clean rooms that are currently in progress. Use --force to proceed with overwriting.
+`, cli.config.configPath)
 	}
 
 	return nil

pkg/cmd/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"optable-pair-cli/pkg/cmd/cli"
+	"path/filepath"
 
 	"github.com/adrg/xdg"
 	"github.com/alecthomas/kong"
@@ -24,7 +25,7 @@ https://github.com/Optable/match/blob/main/pkg/pair/README.md and
 https://iabtechlab.com/pair/
 `
 
-const keyConfigPath = "opair/key/key.json"
+var keyConfigPath = filepath.Join("opair", "key", "key.json")
 
 func main() {
 	var c cli.Cli

pkg/pair/match.go

@@ -9,6 +9,7 @@ import (
 	"optable-pair-cli/pkg/io"
 	"optable-pair-cli/pkg/keys"
 	"os"
+	"path/filepath"
 	"runtime"
 	"strings"
 	"sync/atomic"
@@ -109,8 +110,8 @@ func (w *writer) NewWriter(index int) (*csv.Writer, error) {
 		return csv.NewWriter(os.Stdout), nil
 	}
 
-	p := strings.TrimRight(w.path, "/")
-	f, err := os.Create(fmt.Sprintf("%s/result_%d.csv", p, index))
+	p := strings.TrimRight(w.path, string(filepath.Separator))
+	f, err := os.Create(filepath.Join(p, fmt.Sprintf("result_%d.csv", index)))
 	if err != nil {
 		return nil, err
 	}