Type error analyzers can be viewed as enhancing type errors, rather
than analyzers in their own right. Create a source.DiagnosePackage
function that combines the list/parse/typecheck diagnostics with type
error analyzers. This allows us to remove some special cases from the
analysis path, and is a first step in removing all the special
handling for analysis quick fixes.
Along the way:
Pass pointers to source.Analyzer after I spent half an hour chasing a
loop capture bug. Spend a further 2-3 hours chasing slowdown in the
command tests as a result.
Move Unnecessary tag generation into diagnostic creation rather than
as a mutating post-processing step that required cloning diagnostics.
Change-Id: Id246667a9dcf484dc79516f92d5524261c435794
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297879
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Fully switch to the new generated command API, and remove the old
dynamic command configuration.
This involved several steps:
+ Switch the command dispatch in internal/lsp/command.go to go through
the command package. This means that all commands must now use the new
signature.
+ Update commandHandler to use the new command signatures.
+ Fix some errors discovered in the command interface now that we're
actually using it.
+ Regenerate bindings.
+ Update all code lens and suggested fixes to new the new command
constructors.
+ Generate values in the command package to hold command names and the
full set of commands, so that they may be referenced by name.
+ Update any references to command names to use the command package.
+ Delete command metadata from the source package. Rename command.go to
fix.go.
+ Update lsp tests to execute commands directly rather than use an
internal API. This involved a bit of hackery to collect the edits.
+ Update document generation to use command metadata. Documenting the
arguments is left to a later CL.
+ Various small fixes related to the above.
This change is intended to be invisible to users. We have changed the
command signatures, but have not (previously) committed to backwards
compatibility for commands. Notably, the gopls.test and gopls.gc_details
signatures are preserved, as these are the two cases where we are aware
of LSP clients calling them directly, not from a code lens or
diagnostic.
For golang/go#40438
Change-Id: Ie1b92c95d6ce7e2fc25fc029d1f85b942f40e851
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The Typescript source is still at version 3.16, but there are new
requests, more detailed client capabilities, and an attempt to be
more specific about ranges of number in the Typescript code.
Vscode defines types integer and uinteger (32-bit signed and unsigned),
so the Go code now uses int32 and uint32.
They've changed the use of TextDocument, so version information is sometimes
missing. cache/session.go:625 was changed correspondingly.
This CL also make CodeAction.Disabled into a pointer.
New requests or notifications:
DidCreateFiles, DidRenameFiles, DidDeleteFiles (notifications)
ShowDocument, WillCreateFiles,WillRenameFiles, WillDeleteFiles (request)
It's a lot of code; I've probably missed something.
Change-Id: I8449ad8473ac00947d0344c5f6133f9bd73b9e10
Reviewed-on: https://go-review.googlesource.com/c/tools/+/286192
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This change ensures that packages using exec.LookPath or
exec.Command to find or run binaries do not accidentally run
programs from the current directory when they mean to run programs
from the system PATH instead.
Change-Id: I5907aa630ff64012395a7eb472967a477d90f12e
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/949438
Reviewed-by: Katie Hockman <katiehockman@google.com>
Reviewed-by: Russ Cox <rsc@google.com>
Reviewed-on: https://go-review.googlesource.com/c/tools/+/284773
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Add a "licenses" command that shows the licenses of included software.
As special cases, we print the Go license first, and the LSP
specification license second since we bundle a Go version of it.
Change-Id: I3575073766a458c214108643b2b550c407a118dd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/282112
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"gopls rename" appears to require a new name as a positional argument
but the command line help message doesn't include it. Update the help
message.
Change-Id: Iea769d2095b0642ebbacce128da336ec0dc56828
Reviewed-on: https://go-review.googlesource.com/c/tools/+/280472
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This CL handles the panic in the sergi/go-diff library which has not
yet been resolved. We add an error return to the ComputeEdits function
and return an error if there is a panic. I'm not sure if this is the
best approach, but it does seem better than allowing the server to
crash.
A concern would be that the user wouldn't know why their code wasn't
being formatted, but hopefully they might look through the logs and
notice the error message. At least, other features would continue
working. The best fix will definitely be the fix for the panic, but that
is not yet available.
Threading through the error return was not pretty, but I thought it was
probably worth doing since it could be needed in other situations.
Updates golang/go#42927
Change-Id: I7f0c05eb296ef9e93b4de8ef071301cdb9dce152
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Combine the generation of the API json with the generation of the
documentation. This cuts out a step from the generation process, and
allows us to depend on third-party modules. Use litter to print a
composite literal instead of JSON text, which will diff and merge much
better.
The only real drawback is that you have to "go run" from the gopls
module to avoid adding the extra deps to tools.
Sorry about the copy and paste; there's relatively little actual code
change, just a bit in doMain and rewriteAPI.
Change-Id: Iac936d31b7e52651b3b33f27497cfdbd133f1e76
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Go 1.16 will set -mod=readonly to be the default behavior of the go
command. This CL changes gopls' behavior to be more in line with that.
The model we end up with is more explicit about managing the go.mod.
Previously, adding an import for a package in the module cache but not
in scope would succeed, but add a warning with a quick fix. Now, the
import will fail, again with a quick fix, and the project will not
compile until the require is added. It also means that the go.sum needs
to be in sync. Previously, the go command would update the temporary
go.sum if the user's was out of date, and then we would discard those
changes. Now, loads will fail until the go.sum is brought into sync,
either by `go mod tidy` or the new "update go.sum" command.
The go.sum requirements affect many regtests. I added a DumpGoSum
function to the environment, which prints the txtar format go.sum file
that needs to be added to the workspace. We'll need to keep them in
sync, unfortunately. We could update them on the fly, but that would
slow down the regression tests somewhat and potentially mess up the test
setup. So I'm not sure what to do exactly. Perhaps maintain them
out-of-line in a separate file that could be auto-updated? Dunno.
I also had to add go directives to go.mod files to keep old Go versions
happy.
Multi-module workspace mode currently doesn't create a go.sum file at
all and is held back to the old behavior until it does.
Change-Id: Ib31afc17614afac2f5fbdf31c7fc03a90bd13e3a
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We can offer better error messages to users in GOPATH mode. The Go
command has clear error messages indicating where it's looking for
its dependencies, so we can borrow these messages too.
The error message will look like this:
https://user-images.githubusercontent.com/5856771/100292862-bde8bb00-2f4f-11eb-9920-d945ee2c7e87.png
Change-Id: I39d367d0731ea5b7b7bb963699be3003b4fefe86
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This updates fillstruct to work even when the struct is partially
filled. User supplied fields are preserved but comments are blown away.
Preserving comments appears to be very hard with the current ast
library. One possible option is to do manual string shenanigans, but
after exploring that path it seems like A Bad Idea.
Fixesgolang/go#39804
Change-Id: Iec0bb93db05d4d726dfa6c77a8139f53b14bcc77
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We can offer better error messages to users in GOPATH mode. The Go
command has clear error messages indicating where it's looking for
its dependencies, so we can borrow these messages too.
The error message will look like this:
https://user-images.githubusercontent.com/5856771/100292862-bde8bb00-2f4f-11eb-9920-d945ee2c7e87.png
Change-Id: I888b33804eec7f38c329ae2e4343b82fcc22f1df
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272166
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The workspace symbol tests are not really resilient to changes and
did not generate/use golden files consistently. This made it really
tricky to switch the workspace symbols defaults.
To improve the workflow, consolidate the different kinds of tests into
one function, generate and use golden files, and require that all of the
workspace symbol queries appear in one file only. Also converted the
brittle workspace symbol regtest to a marker test.
Update golang/go#41760
Change-Id: I41ccd3ae58ae08fea717c7d8e9a2a10330e8c14f
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Some features (notably, workspace symbols) produce results with file
paths outside of the command-line package. This logic can be useful for
all tests, so factor it out into the shared testing package.
Change-Id: I2e00ebc0174079660c2f07562c50fd9377088475
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There was a bug and inconsistency in how const identifiers were
categorized when being used. The new code always makes them readonly
variables.
The predeclared identifiers (true, false, nil, iota) were treated
inconsistently. The new code makes them all readonly variables.
Under rare conditions the output from gopls semtok was not syntactic
Go code because is would put a /* comment immediately after an
operator /, thereby generating a spurious line comment.
Fixesgolang/go#42715
Change-Id: I5b1ccfaf607d6baa58c132e460c5617db6634a72
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These tests require special cases and are difficult to understand in the
marker format. They are much simpler as regression tests.
Fixesgolang/go#40332
Change-Id: I791b9092d0f3d08aa5415eced427850626f8eb2a
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Upgrades to bring gopls up to date with the latest LSP protocol
specifications. There are two new RPCs, Moniker, and ResolveCodeAction,
and a new field CodeDescription in Diagnostic.
This CL also includes the tiny change to helper.go to cope with
_s in function declarations.
Change-Id: I1a0dcb57adc48510f2a0ed97cf18aa4719648822
Reviewed-on: https://go-review.googlesource.com/c/tools/+/265117
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instead copy the client's token types and modifiers into the options,
and reconstruct the inverse map once per LSP request.
Change-Id: I4ae5b56a31060882a06b1b6bbc65d26e4085e058
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This CL switches from automatically registering the semantic tokens
capability to dynamic registration. This allows us to turn it on and
off as the option is switched--otherwise it defaults on always.
To achieve this, we also have to set session options on
didChangeConfiguration. It turns out that the passed-in "changed"
parameter can be null, which is why we always refetch the workspace
configuration.
Fixesgolang/go#41963
Change-Id: I58d742577ce7f3da67db32011ba21bd9813eb203
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The command 'gopls semtok <file>.go' produces a version of <file>.go
decorated with comments describing tokens as semantic tokens. The
format is described towards the top of cmd/semantictokens.go.
There are also tests in testdata/semantic/. a.go is used by lsp_test.go
(with -cover) to show that essentially all of semantic.go is executed.
b.go illustrates the handling of strange, but legal, constructs
like 'const false = nil and non-ascii'. The .golden files show
the expected results.
The implementation will panic, rather than log, on unexpected state.
gopls semtok has been run on all the .go files in x/tools and in
the source distribution. There were no unexpected messages nor panics.
Change-Id: I11715bcc8d6830d1951eb58239978c4a363bbc30
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Updated the generator to check for this. Necessary to fix command name
collision in VS Code Go. Not the nicest solution, but seemed like the
least invasive one.
The codelens configuration is a little strange now, with the "gopls_"
prefixes, but the alternative is adding the prefix when processing the
config and that would make the default look different from the example.
Fixesgolang/go#41187
Change-Id: I5cf42f4a96f6252016dcd5c40a4ac401e1b30a8f
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Factor out processing of string enums when setting options results. In a
couple places this will result in errors being detected for invalid
values where they weren't before. Interestingly the default branch for
symbolMatcher was 'caseInsensitive', when in fact the default matcher in
the absence of any setting is 'fuzzy'. The command tests were implicitly
relying on this bug, passing 'default' to mean 'caseInsensitive'. Fix
this.
Also add a test, since option processing is not trivial.
Change-Id: Ib3ec4b1619add4c7315b6a689ca257e068da6027
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Do a pass of unused code cleanup and other staticcheck errors.
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Enable documentation for Debugging options, code lenses, and LSP
commands.
See the comment in loadCommands; reading comments off a composite
literal is annoying. If the documentation were available at runtime this
would be much easier, and we should probably switch to that at the first
sign of trouble.
Fixesgolang/go#33544.
Change-Id: I503b62aa2fc4a993f5978c449088db54fc79f7de
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Multi-module mode works rather differently than module mode, so ideally
we should have good test coverage for it. We can get a lot for a little
by running the marker tests as a module in a multi-module workspace. To
do that, we can move everything one directory lower, and use the
original directory as the root of the workspace.
The mechanics of setting it up are a little distasteful but not too bad.
We prepend a directory to all the paths in the packagestest.Module, and
after Export, move the created go.mod down into that directory. The only
other change is to find the golden files in the right place.
Command line tests use URIs everywhere, and it was too annoying to fix
them, so I didn't bother. Unimported completion tests fail and are
skipped for the moment.
Change-Id: I5a15156ca4c357ca668bfee05deb9493203e43a1
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Wire up a command to generate a gopls.mod file for a multi-module
workspace. In the future, this can actually be used to manage the
workspace, but for now the file is just generated, not actually used.
For golang/go#32394
Change-Id: I8a53da8ac9337bde132c7d8ca8557467f368fc24
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Mostly a rollback of CL 217541. No changes in the actual tests.
Change-Id: I910551d4750822bd2d8c5039d1cf194e42d01500
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We were previously behaving as though the slice/map values in the
options struct could be modified directly. The options should be cloned
before modification. Also, convert any usage of source.Options to
*source.Options.
Fixesgolang/go#39592
Change-Id: Ib39f668bca0fa1038162206bd7793fd2049af576
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This change enables the multi-module workspace mode by default, so that
we can catch all of the test failures and edge cases. It is still
disabled in GOPATH mode and for any workspaces that contain a module
with a vendor directory.
A few minor changes had to be made to handle changes caused by the
workspace module pseudoversions.
Updates golang/go#32394
Change-Id: Ib433b269dfc435d73365677945057c1c2cbb1869
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gopls has many settings. We want to automatically generate
documentation, and we want to allow clients to perform their own
validation if they so desire.
Using all three of AST, type information, and reflection, generate a
JSON description of the settings and their default values. Add a gopls
command that prints it. Add a documentation generator that uses it to
write settings.md.
I assumed that everything not explicitly documented was experimental,
and moved it into that section. I also moved expandWorkspaceToModule to
experimental; I hope it's not long for this world, personally.
Along the way, rename many fields, make the enum matching case
insensitive, and add a stringer call so that the defaults print nicely.
Fixesgolang/go#33544.
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Seems we've drifted a bit from go1.12 support, mostly due to error
wrapping.
Fix this, as well as some assorted other failures.
I haven't tested 1.12 interactively.
For golang/go#39146
Change-Id: Id347ead2a13e89b76d2ae0047750e6b6b49911eb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/250941
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
* Adds outgoing calls call hierarchy for function declarations to gopls. Returns all call ranges and call items for functions/literals being called.
* Adds tests for outgoing call.
* Updates cmd to account for call ranges and call items being in different files for outgoing calls.
* Updates prepare call hierarchy to return declaration as root instead of cursor position.
Example:
Example shows https://github.com/golang/tools/blob/master/internal/lsp/source/call_hierarchy.go
Show Call Hierarchy View: https://imgur.com/a/DA5vc6l
Peek Call Hierarchy View: https://imgur.com/a/fuiG0Be
Note:
* While incoming calls for a function defined in an interface return references to that function, outgoing calls don't return anything since we don't know what implementation to return outgoing calls for.* Outgoing calls to function literals show as variable name used to define the literal, compared to <scope>.func() for incoming calls.
Change-Id: Ib8afbd8617675d12952db0b80170ada5988e90ab
Reviewed-on: https://go-review.googlesource.com/c/tools/+/248537
Run-TryBot: Danish Dua <danishdua@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
When the client closes its connection, we get an EOF, but it's not
really an error. Suppress it so that the gopls binary doesn't exit with
an error.
In principle we should connect this to (lsp.Server).shutdown somehow,
but as far as I know a path for that doesn't exist, and this seems
pretty innocuous to me.
Fixesgolang/go#40832.
Change-Id: I9dd83d26bcf5c07e03188d3829e603005d80c8c4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/249417
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
* Adds incoming calls hierarchy to gopls. Returns function declarations/function literals/files enclosing the call/s to the function being inpected.
* Updates cmd to show ranges where calls to function in consideration are made by the caller.
* Added tests for incoming calls.
Example:
This example shows call hierarchy for PathEnclosingInterval in tools/go/ast/astutil.go
Show Call Hierarchy View: https://imgur.com/a/9VhspgA
Peek Call Hierarchy View: https://imgur.com/a/XlKubFk
Note:
* Function literals show up as <scope>.func() in call hierarchy since they don't have a name. Here scope is either the function enclosing the literal or a file for top level declarations
* Top level calls (calls not inside a function, ex: to initialize exported variables) show up as the file name
* Clicking on an item shows the the range where a call is made in the scope
Change-Id: I56426139e4e550dfabe43c9e9f1838efd1e43e38
Reviewed-on: https://go-review.googlesource.com/c/tools/+/247699
Run-TryBot: Danish Dua <danishdua@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
The lsprpc package implements support for connecting to remotes on unix
domain sockets, as well as auto-starting the remote if it doesn't exist.
Unfortunately, commands other than 'serve' were instead assuming the tcp
network.
Fix this to share functionality.
Fixesgolang/go#40732
Change-Id: I46c303ea91d087d7432e0e3236a68e58e1ea6344
Reviewed-on: https://go-review.googlesource.com/c/tools/+/248181
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
* adds gopls command line tool for call hierarchy
* adds lsp setup for call hierarchy
* adds handler for textDocument/prepareCallHierarchy to display selected
identifier and get incoming/outgoing calls for it
* setup testing
Change-Id: I0a0904abdbe11273a56162b6e5be93b97ceb9c26
Reviewed-on: https://go-review.googlesource.com/c/tools/+/246521
Run-TryBot: Danish Dua <danishdua@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
This CL is a follow-up from CL 241983. I didn't realize that the
undeclaredname analysis was also using the go/printer.Fprint trick,
which we decided was both incorrect and inefficient. This CL does
approximately the same things as CL 241983, with a few changes to make
the approach more general.
source.Analyzer now has a field to indicate if its suggested fix needs
to be computed separately, and that is used to determine which
code actions get commands. We also make helper functions to map
analyses to their commands.
I figured out a neater way to test suggested fixes in this CL, so I
reversed the move to source_test back to lsp_test (which was the right
place all along).
Change-Id: I505bf4790481d887edda8b82897e541ec73fb427
Reviewed-on: https://go-review.googlesource.com/c/tools/+/242366
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Extract function is a code action, similar to extract variable. After
highlighting a selection, if valid, the lightbulb appears to trigger
extraction. The current implementation does not allow users to
extract selections with a return statement.
Updates golang/go#37170
Change-Id: I5fc3b19cf7dbca4407ecf0cc37017661223614d1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241957
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Josh Baum <joshbaum@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
The gopls daemon had different default logging behavior than the sidecar
gopls: by default, the daemon was started with -logfile=auto.
Additionally, because most logs are reflected back to the forwarder, the
actual daemon logs have very little (if any) information.
This means that if you simply start gopls with -remote=auto, you'll get
a single logfile named /tmp/gopls-<pid>.log, which is mostly empty. This
is not a delightful experience.
Fix this via several improvements:
+ Log lifecycle events in the Daemon, to give the log a purpose.
+ Give the daemon a new default log location:
/tmp/gopls-daemon-<pid>.log.
+ Don't pass -logfile=auto to the daemon by default.
Fixesgolang/go#40105
Change-Id: I5e91ea98b4968c512bce76a596bbae441f461a66
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241440
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
I add a code action that triggers upon request of the user. A variable
name is generated manually for the extracted code because the LSP does
not support a user's ability to provide a name.
Change-Id: Id1ec19b49562b7cfbc2cd416378bec9bd021d82f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240182
Run-TryBot: Josh Baum <joshbaum@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
I've forgotten to specify scheme a few times, and gopls is quiet
about invalid ocagent addresses.
Add an example to the CLI help output aid the users with the format
implicitly.
Change-Id: I89ba8a16c18dabff2b4b87b2235755c22ae71117
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239057
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
To prevent misleading errors from outstanding go command invocations at
test completion, properly shutdown the LSP connection before cleaning up
exported files.
Change-Id: I9ad175060fefc5b914e544c5f58b9b6658405edc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238546
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Rebecca Stambler
Heschi Kreinick
Rob Findley
pjw
Ajanthan Balachandran
Roland Shoemaker
Eric Chiang
Jean de Klerk
Danish Dua
Josh Baum
Pontus Leitzler
