[Bug 1967425] [NEW] Backport golang 1.16 to Bionic

[Lucas Kanashiro]

Public bug reported:

[Impact]

To enable packages that are backported wholesale to all releases of
Ubuntu (i.e. runc and docker.io) to stop depending on what is now a
fairly ancient version of Go (some of them require at least Go 1.16), we
are going to upload 1.16 to bionic (this version is in focal already).
This is an unusual "SRU" but the plan has been concocted with the
approval of the Ubuntu security team (who I will ask to comment here to
confirm their acceptance of the plan).

[Test Plan]

A smoke test, like this:

$ apt install golang-1.16-go
$ PATH=/usr/lib/go-1.16/bin:$PATH
$ go version
< check it's 1.16 >
$ cat > trivial.go
package main
func main() {}
$ go run trivial.go
$ cat > trivialcgo.go
package main
import "C"
func main() {}
$ go run trivialcgo.go

Then we should verify that runc from Jammy builds with the golang-1.16
in proposed, take the runc package, edit this line in debian/rules:

export PATH:=/usr/lib/go-1.16/bin:${PATH}

to reference go-1.16 instead, edit the build-dependencies, and upload
that to a PPA that has proposed enabled and check it builds everywhere.

[Where problems could occur]

It's a new package so should not impact any existing behavior. I'm not
at all proposing to update the default version of Go in a stable
release.

** Affects: golang-1.16 (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1967425

Title:
  Backport golang 1.16 to Bionic

Status in golang-1.16 package in Ubuntu:
  New

Bug description:
  [Impact]

  To enable packages that are backported wholesale to all releases of
  Ubuntu (i.e. runc and docker.io) to stop depending on what is now a
  fairly ancient version of Go (some of them require at least Go 1.16),
  we are going to upload 1.16 to bionic (this version is in focal
  already). This is an unusual "SRU" but the plan has been concocted
  with the approval of the Ubuntu security team (who I will ask to
  comment here to confirm their acceptance of the plan).

  [Test Plan]

  A smoke test, like this:

  $ apt install golang-1.16-go
  $ PATH=/usr/lib/go-1.16/bin:$PATH
  $ go version
  < check it's 1.16 >
  $ cat > trivial.go
  package main
  func main() {}
  $ go run trivial.go
  $ cat > trivialcgo.go
  package main
  import "C"
  func main() {}
  $ go run trivialcgo.go

  Then we should verify that runc from Jammy builds with the golang-1.16
  in proposed, take the runc package, edit this line in debian/rules:

  export PATH:=/usr/lib/go-1.16/bin:${PATH}

  to reference go-1.16 instead, edit the build-dependencies, and upload
  that to a PPA that has proposed enabled and check it builds
  everywhere.

  [Where problems could occur]

  It's a new package so should not impact any existing behavior. I'm not
  at all proposing to update the default version of Go in a stable
  release.

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