[MacPorts] #61505: Golang 1.15.5 Fails to Install on BigSur

[MacPorts]

#61505: Golang 1.15.5 Fails to Install on BigSur
-----------------------------+-------------------------------
 Reporter:  Gregory-Gelfond  |      Owner:  (none)
     Type:  defect           |     Status:  new
 Priority:  Normal           |  Milestone:
Component:  ports            |    Version:  2.6.4
 Keywords:  go               |       Port:  go @1.15.5 (lang)
-----------------------------+-------------------------------
 Running the command: `sudo port install go` yields the following output:

 {{{
 --->  Fetching archive for go
 --->  Attempting to fetch go-1.15.5_0.darwin_20.x86_64.tbz2 from
 https://packages.macports.org/go
 --->  Attempting to fetch go-1.15.5_0.darwin_20.x86_64.tbz2.rmd160 from
 https://packages.macports.org/go
 --->  Installing go @1.15.5_0
 tar: ./+CONTENTS: Not found in archive
 tar: Error exit delayed from previous errors.
 Error: Failed to install go: child process exited abnormally
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_go/go/main.log
 for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 Error: Processing of port go failed
 }}}

 I've attached the main.log file for reference.

-- 
Ticket URL: <https://trac.macports.org/ticket/61505>
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