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x/tools/cmd/goimports,gofmt: duplicate imports are not removed if they are separated by an empty line #71078

@chiawendt

Description

@chiawendt

gopls version

golang.org/x/tools/gopls v0.17.1
golang.org/x/tools/gopls@v0.17.1 h1:Mt/DSfnnSe3dyf6MH/dZZ0iww+viHNhAFc4rEYDiOAw=
github.com/BurntSushi/toml@v1.4.1-0.20240526193622-a339e1f7089c h1:pxW6RcqyfI9/kWtOwnv/G+AzdKuy2ZrqINhenH4HyNs=
github.com/google/go-cmp@v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
golang.org/x/exp/typeparams@v0.0.0-20231108232855-2478ac86f678 h1:1P7xPZEwZMoBoz0Yze5Nx2/4pxj6nw9ZqHWXqP0iRgQ=
golang.org/x/mod@v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
golang.org/x/sync@v0.9.0 h1:fEo0HyrW1GIgZdpbhCRO0PkJajUS5H9IFUztCgEo2jQ=
golang.org/x/telemetry@v0.0.0-20241106142447-58a1122356f5 h1:TCDqnvbBsFapViksHcHySl/sW4+rTGNIAoJJesHRuMM=
golang.org/x/text@v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
golang.org/x/tools@v0.27.1-0.20241219162658-575221bfbda3 h1:kgwdasJRsdDWYgWcEgMF424DiXwwXHSb3V8xVTi//i8=
golang.org/x/vuln@v1.0.4 h1:SP0mPeg2PmGCu03V+61EcQiOjmpri2XijexKdzv8Z1I=
honnef.co/go/tools@v0.5.1 h1:4bH5o3b5ZULQ4UrBmP+63W9r7qIkqJClEA9ko5YKx+I=
mvdan.cc/gofumpt@v0.7.0 h1:bg91ttqXmi9y2xawvkuMXyvAA/1ZGJqYAEGjXuP0JXU=
mvdan.cc/xurls/v2@v2.5.0 h1:lyBNOm8Wo71UknhUs4QTFUNNMyxy2JEIaKKo0RWOh+8=
go: go1.23.1

go env

.

What did you do?

gofmt or goimports this file:

package main

import (
	"fmt"

	"fmt"
)

func main() {
	fmt.Println()
}

What did you see happen?

file unchanged

What did you expect to see?

duplicate "fmt" import are removed.

The duplicate imports are removed correctly if there is no empty between the duplicate imports:

import (
	"fmt"
	"fmt"
)

will be formatted to:

import (
	"fmt"
)

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    FrozenDueToAgeToolsThis label describes issues relating to any tools in the x/tools repository.goplsIssues related to the Go language server, gopls.

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