[PATCH 2/4] msi: Re-publish product if previous installation with different package is detected

[Hans Leidekker]

> diff --git a/dlls/msi/action.c b/dlls/msi/action.c
> index 74917afdd1..ba351b45bc 100644
> --- a/dlls/msi/action.c
> +++ b/dlls/msi/action.c
> @@ -4473,6 +4473,7 @@ static UINT ACTION_PublishProduct(MSIPACKAGE *package)
>      UINT rc;
>      HKEY hukey = NULL, hudkey = NULL;
>      MSIRECORD *uirow;
> +    BOOL republish = FALSE;
>  
>      if (!list_empty(&package->patches))
>      {
> @@ -4481,14 +4482,65 @@ static UINT ACTION_PublishProduct(MSIPACKAGE *package)
>              goto end;
>      }
>  
> -    /* FIXME: also need to publish if the product is in advertise mode */
> -    if (!msi_check_publish(package))
> -        return ERROR_SUCCESS;
> -
>      rc = MSIREG_OpenProductKey(package->ProductCode, NULL, package->Context,
> -                               &hukey, TRUE);
> -    if (rc != ERROR_SUCCESS)
> -        goto end;
> +                               &hukey, FALSE);
> +    if (rc == ERROR_SUCCESS)
> +    {
> +        WCHAR *package_code;
> +
> +        package_code = msi_reg_get_val_str(hukey, INSTALLPROPERTY_PACKAGECODEW);
> +        if (package_code)
> +        {
> +            WCHAR guid[MAX_PATH], packed[SQUASHED_GUID_SIZE], *p;
> +            MSIHANDLE hdb, suminfo;
> +            DWORD size;
> +
> +            hdb = alloc_msihandle(&package->db->hdr);
> +            if (!hdb)
> +            {
> +                RegCloseKey(hukey);
> +                return ERROR_NOT_ENOUGH_MEMORY;
> +            }
> +
> +            rc = MsiGetSummaryInformationW(hdb, NULL, 0, &suminfo);
> +            MsiCloseHandle(hdb);
> +            if (rc == ERROR_SUCCESS)
> +            {
> +                size = sizeof(guid);
> +                rc = MsiSummaryInfoGetPropertyW(suminfo, PID_REVNUMBER, NULL, NULL, NULL, guid, &size);
> +                MsiCloseHandle(suminfo);
> +            }
> +            if (rc == ERROR_SUCCESS)
> +            {
> +                p = strchrW(guid, ';');
> +                if (p) *p = 0;
> +                squash_guid(guid, packed);

This duplicates code to retrieve the package code in msi_publish_product_properties.
You could use get_package_code from package.c, which avoids creating a handle.