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Hana (Hyang-Ah) Kim 678efe0184 gopls/internal/lsp/cmd: fix vulncheck error handling 
Fix 1 - print usage info only when appropriate:

tool.CommandLineError is a special error that makes a command
exits with full usage documentation. When Govulncheck hook runs and
fails, it's unlikely the failure was from command line misuse
and the extra usage doc will distract users from the root cause.
Let's stop that by returning a plain error.

Fix 2 - stop printing package loading errors twice:

Package loading error was printed by the logger in gopls/internal/vulncheck.cmd
and once more by the gopls command line handler. Print it once.

For testing, added back the replace statement to go.mod.
We will update go.mod back after this commit is merged.

Change-Id: Ifaf569a31bbbc84d7b84e1b6d90a8fa0b27ac758
Reviewed-on: https://go-review.googlesource.com/c/tools/+/429515
Reviewed-by: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/tools/+/429937
 		2022-09-12 13:21:00 +00:00
benchmark/parse benchmark/parse: add unit test for String function 2019-12-16 21:43:19 +00:00
blog copyright: test that all files in the repo have copyright notices 2021-01-11 22:19:46 +00:00
cmd all: remove redundant type conversion 2022-09-07 17:33:19 +00:00
container/intsets all: remove redundant type conversion 2022-09-07 17:33:19 +00:00
copyright gopls: migrate internal/lsp to gopls/internal/lsp 2022-09-07 16:44:44 +00:00
cover cover: add function to parse profiles from an io.Reader 2021-10-05 03:23:35 +00:00
go go/ssa/ssautil: initialize info when there is syntax 2022-09-11 21:08:46 +00:00
godoc godoc/redirect: delete golang.org-specific code 2022-08-16 14:47:05 +00:00
gopls gopls/internal/lsp/cmd: fix vulncheck error handling 2022-09-12 13:21:00 +00:00
imports all: gofmt 2022-04-12 17:53:17 +00:00
internal all: remove redundant type conversion 2022-09-07 17:33:19 +00:00
playground playground: remove /share registration, add Proxy 2021-02-25 15:03:53 +00:00
present all: gofmt 2022-04-12 17:53:17 +00:00
refactor all: gofmt some recent file changes 2022-06-27 19:42:14 +00:00
txtar all: gofmt 2022-04-12 17:53:17 +00:00
.gitattributes tools: copying .gitattributes to all subrepositories (fixes windows build) 2014-12-23 06:32:51 +00:00
.gitignore .gitignore: roll back ".gitignore: ignore emacs backup files" 2018-02-13 00:43:28 +00:00
.prettierrc all: add a section on JS/CSS formatting to README 2020-05-28 15:31:34 +00:00
CONTRIBUTING.md CONTRIBUTING.md: remove note about not accepting Pull Requests 2018-03-14 18:02:17 +00:00
LICENSE
…
PATENTS go.empty: add PATENTS file to the subrepo. 2012-04-16 11:24:04 +10:00
README.md README: restructure and update 2022-05-04 14:51:12 +00:00
codereview.cfg tools: add codereview.cfg 2015-03-18 17:04:00 +00:00
go.mod x/tools: update go.mod following moving LSP code to x/tools/gopls 2022-09-07 22:05:45 +00:00
go.sum x/tools: update go.mod following moving LSP code to x/tools/gopls 2022-09-07 22:05:45 +00:00

README.md

Go Tools

PkgGoDev

This repository provides the golang.org/x/tools module, comprising various tools and packages mostly for static analysis of Go programs, some of which are listed below. Use the "Go reference" link above for more information about any package.

It also contains the golang.org/x/tools/gopls module, whose root package is a language-server protocol (LSP) server for Go. An LSP server analyses the source code of a project and responds to requests from a wide range of editors such as VSCode and Vim, allowing them to support IDE-like functionality.

Selected commands:

  • cmd/goimports formats a Go program like go fmt and additionally inserts import statements for any packages required by the file after it is edited.
  • cmd/callgraph prints the call graph of a Go program.
  • cmd/digraph is a utility for manipulating directed graphs in textual notation.
  • cmd/stringer generates declarations (including a String method) for "enum" types.
  • cmd/toolstash is a utility to simplify working with multiple versions of the Go toolchain.

These commands may be fetched with a command such as go install golang.org/x/tools/cmd/goimports@latest.

Selected packages:

  • go/ssa provides a static single-assignment form (SSA) intermediate representation (IR) for Go programs, similar to a typical compiler, for use by analysis tools.

  • go/packages provides a simple interface for loading, parsing, and type checking a complete Go program from source code.

  • go/analysis provides a framework for modular static analysis of Go programs.

  • go/callgraph provides call graphs of Go programs using a variety of algorithms with different trade-offs.

  • go/ast/inspector provides an optimized means of traversing a Go parse tree for use in analysis tools.

  • go/cfg provides a simple control-flow graph (CFG) for a Go function.

  • go/expect reads Go source files used as test inputs and interprets special comments within them as queries or assertions for testing.

  • go/gcexportdata and go/gccgoexportdata read and write the binary files containing type information used by the standard and gccgo compilers.

  • go/types/objectpath provides a stable naming scheme for named entities ("objects") in the go/types API.

Numerous other packages provide more esoteric functionality.

Contributing

This repository uses Gerrit for code changes. To learn how to submit changes, see https://golang.org/doc/contribute.html.

The main issue tracker for the tools repository is located at https://github.com/golang/go/issues. Prefix your issue with "x/tools/(your subdir):" in the subject line, so it is easy to find.

JavaScript and CSS Formatting

This repository uses prettier to format JS and CSS files.

The version of prettier used is 1.18.2.

It is encouraged that all JS and CSS code be run through this before submitting a change. However, it is not a strict requirement enforced by CI.