Add .zsh_history support

Author: tstromberg

cmd/evade-bash-history/main.go cmd/evade-shell-history/main.gocmd/evade-bash-history/main.go renamed to cmd/evade-shell-history/main.go

@@ -10,7 +10,7 @@ import (
 )
 
 func main() {
-	if err := simulate.TruncateBashHistory(); err != nil {
+	if err := simulate.TruncateShellHistory(); err != nil {
 		log.Fatalf("unexpected error: %v", err)
 	}
 }

pkg/simulate/bash_history.go pkg/simulate/shell_history.gopkg/simulate/bash_history.go renamed to pkg/simulate/shell_history.go

@@ -10,13 +10,18 @@ import (
 	cp "github.com/otiai10/copy"
 )
 
-func TruncateBashHistory() error {
+func TruncateShellHistory() error {
 	home, err := os.UserHomeDir()
 	if err != nil {
 		return fmt.Errorf("home dir: %w", err)
 	}
 
 	path := filepath.Join(home, ".bash_history")
+	_, err = os.Stat(path)
+	if err != nil {
+		path = filepath.Join(home, ".zsh_history")
+	}
+
 	log.Printf("backing up %s ...", path)
 	if err := cp.Copy(path, path+".bak"); err != nil {
 		return fmt.Errorf("copy: %w", err)
@@ -42,6 +47,6 @@ func TruncateBashHistory() error {
 	}
 
 	log.Printf("stat: %+v", s)
-	time.Sleep(1 * time.Second)
+	time.Sleep(15 * time.Second)
 	return nil
 }