Fix editor on Windows

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/google/go-jsonnet v0.20.0
 	github.com/google/uuid v1.6.0
 	github.com/jsonnet-bundler/jsonnet-bundler v0.6.0
+	github.com/mattn/go-isatty v0.0.20
 	github.com/oklog/ulid/v2 v2.1.0
 	github.com/pkg/errors v0.9.1
 	github.com/rs/zerolog v1.33.0
@@ -33,7 +34,6 @@ require (
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect

pkg/pipes/cobra_windows.go

@@ -2,7 +2,10 @@ package pipes
 
 import (
 	"context"
+	"fmt"
 	"os"
+	"os/exec"
+	"strings"
 )
 
 func editorCmd(ctx context.Context, filename string) *exec.Cmd {
@@ -26,5 +29,5 @@ func editorCmd(ctx context.Context, filename string) *exec.Cmd {
 		args = append(args, shell, "/C", fmt.Sprintf("%s %q", editor, filename))
 	}
 
-	return exec.CommandContext(cmd.Context(), args[0], args[1:]...)
+	return exec.CommandContext(ctx, args[0], args[1:]...)
 }