added option to set alias for PKCS12

acme.sh

@@ -1211,16 +1211,17 @@ _toPkcs() {
 toPkcs() {
   domain="$1"
   pfxPassword="$2"
+  pfxName="$3"
   if [ -z "$domain" ]; then
-    _usage "Usage: $PROJECT_ENTRY --toPkcs -d domain [--password pfx-password]"
+    _usage "Usage: $PROJECT_ENTRY --toPkcs -d domain [--password pfx-password] [--name pfx-name/pfx-alias]"
     return 1
   fi
 
-  _isEcc="$3"
+  _isEcc="$4"
 
   _initpath "$domain" "$_isEcc"
 
-  _toPkcs "$CERT_PFX_PATH" "$CERT_KEY_PATH" "$CERT_PATH" "$CA_CERT_PATH" "$pfxPassword"
+  _toPkcs "$CERT_PFX_PATH" "$CERT_KEY_PATH" "$CERT_PATH" "$CA_CERT_PATH" "$pfxPassword" "$pfxName"
 
   if [ "$?" = "0" ]; then
     _info "Success, Pfx is exported to: $CERT_PFX_PATH"
@@ -5469,6 +5470,7 @@ _process() {
   _fullchain_file=""
   _reloadcmd=""
   _password=""
+  _name="1"
   _accountconf=""
   _useragent=""
   _accountemail=""
@@ -5746,6 +5748,10 @@ _process() {
         _password="$2"
         shift
         ;;
+      --name)
+        _name="$2"
+        shift
+        ;;
       --accountconf)
         _accountconf="$2"
         ACCOUNT_CONF_PATH="$_accountconf"
@@ -6016,7 +6022,7 @@ _process() {
     uninstallcronjob) uninstallcronjob ;;
     cron) cron ;;
     toPkcs)
-      toPkcs "$_domain" "$_password" "$_ecc"
+      toPkcs "$_domain" "$_password" "$_name" "$_ecc"
       ;;
     toPkcs8)
       toPkcs8 "$_domain" "$_ecc"