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  1. 01 Aug, 2018 2 commits
    • Russ Cox's avatar
      cmd/go: split go mod into multiple subcommands · 6121987a
      Russ Cox authored 
      The current "go mod" command does too many things.
The design is unclear.

It looks like "everything you might want to do with modules"
which causes people to think all module operations go through
"go mod", which is the opposite of the seamless integration we're
going for. In particular too many people think "go mod -require"
and "go get" are the same.

It does make sense to put the module-specific functionality
under "go mod", but not as flags. Instead, split "go mod" into
multiple subcommands:

	go mod edit   # old go mod -require ...
	go mod fix    # old go mod -fix
	go mod graph  # old go mod -graph
	go mod init   # old go mod -init
	go mod tidy   # old go mod -sync
	go mod vendor # old go mod -vendor
	go mod verify # old go mod -verify

Splitting out the individual commands makes both the docs
and the implementations dramatically easier to read.
It simplifies the command lines
(go mod -init -module m is now 'go mod init m')
and allows command-specific flags.

We've avoided subcommands in the go command to date, and we
should continue to avoid adding them unless it really makes
the experience significantly better. In this case, it does.

Creating subcommands required some changes in the core
command-parsing and help logic to generalize from one
level to multiple levels.

As part of having "go mod init" be a separate command,
this CL changes the failure behavior during module initialization
to be delayed until modules are actually needed.
Initialization can still happen early, but the base.Fatalf
is delayed until something needs to use modules.
This fixes a bunch of commands like 'go env' that were
unhelpfully failing with GO111MODULE=on when not in a
module directory.

Fixes #26432.
Fixes #26581.
Fixes #26596.
Fixes #26639.

Change-Id: I868db0babe8c288e8af684b29d4a5ae4825d6407
Reviewed-on: https://go-review.googlesource.com/126655
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: 's avatarBryan C. Mills <bcmills@google.com>
      6121987a
    • Russ Cox's avatar
      cmd/go: add 'go version' statement in go.mod · 16962faf
      Russ Cox authored 
      We aren't planning to use this or advertise it much yet,
but having support for it now will make it easier to start
using in the future - older go commands will understand
what 'go 1.20' means and that they don't have go 1.20.

Fixes #23969.

Change-Id: I729130b2690d3c0b794b49201526b53de5093c45
Reviewed-on: https://go-review.googlesource.com/125940
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: 's avatarBryan C. Mills <bcmills@google.com>
      16962faf
  3. 31 Jul, 2018 20 commits
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  7. 29 Jul, 2018 3 commits
  9. 28 Jul, 2018 9 commits
  11. 27 Jul, 2018 3 commits