[Bug 43149] New: apt-get update falied for stable version

https://bugs.winehq.org/show_bug.cgi?id=43149

Bug ID: 43149
           Summary: apt-get update falied for stable version
           Product: Packaging
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: wine-packages
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail], [e-mail]
      Distribution: ---

Executed commands as specified in winehq.org for installing current stable
release:
> wget -nc https://dl.winehq.org/wine-builds/Release.key

--2017-06-07 11:32:13--  https://dl.winehq.org/wine-builds/Release.key
Resolving dl.winehq.org (dl.winehq.org)... 151.101.32.69
Connecting to dl.winehq.org (dl.winehq.org)|151.101.32.69|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 3122 (3.0K) [application/pgp-keys]
Saving to: ‘Release.key’

Release.key         100%[===================>]   3.05K  --.-KB/s    in 0s

2017-06-07 11:32:13 (21.3 MB/s) - ‘Release.key’ saved [3122/3122]
> sudo apt-key add Release.key

OK
> sudo apt-add-repository https:/dl.winehq/wine-builds/ubuntu

Then executed following command received the following issues messages and
update failed.
> sudo apt-get update

Err:6 https:/dl.winehq/wine-builds/ubuntu xenial/main amd64 Packages           
  Protocol "http" not supported or disabled in libcurl

Reading package lists... Done
W: The repository 'https:/dl.winehq/wine-builds/ubuntu xenial Release' does not
have a Release file.
N: Data from such a repository can't be authenticated and is therefore
potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration
details.
E: Method gave invalid 400 URI Failure message: Protocol "http" not supported
or disabled in libcurl
E: Method gave invalid 400 URI Failure message: Protocol "http" not supported
or disabled in libcurl
E: Method gave invalid 400 URI Failure message: Protocol "http" not supported
or disabled in libcurl
W: The repository 'http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial
Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore
potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration
details.