scripts: apply shellcheck fixes

Bump to 1.6.1

cross: bump dependency versions

build(deps-dev): bump through2 from 3.0.1 to 3.0.2 (#388)

Bumps [through2](https://github.com/rvagg/through2) from 3.0.1 to 3.0.2.
- [Release notes](https://github.com/rvagg/through2/releases)
- [Commits](https://github.com/rvagg/through2/compare/v3.0.1...v3.0.2)

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html: add disableLeaveAlert client option

build(deps-dev): bump webpack-cli from 3.3.11 to 3.3.12 (#387)

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 3.3.11 to 3.3.12.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/v3.3.12/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/v3.3.11...v3.3.12)

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build(deps-dev): bump terser-webpack-plugin from 3.0.5 to 3.0.6 (#386)

Bumps [terser-webpack-plugin](https://github.com/webpack-contrib/terser-webpack-plugin) from 3.0.5 to 3.0.6.
- [Release notes](https://github.com/webpack-contrib/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/terser-webpack-plugin/compare/v3.0.5...v3.0.6)

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src/http.c: fix checking pss's len member (#385)

len member is a size_t type so it can't be less than 0 by definition.

Signed-off-by: Bartosz Bilas <b.bilas@grinn-global.com>

github: bump libwebsockets versions

html: rebuild header file

build(deps-dev): bump copy-webpack-plugin from 5.1.1 to 6.0.2 (#369)

* build(deps-dev): bump copy-webpack-plugin from 5.1.1 to 6.0.2 in /html

Bumps [copy-webpack-plugin](https://github.com/webpack-contrib/copy-webpack-plugin) from 5.1.1 to 6.0.2.
- [Release notes](https://github.com/webpack-contrib/copy-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/copy-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/copy-webpack-plugin/compare/v5.1.1...v6.0.2)

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* html: update webpack config

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Co-authored-by: Shuanglei Tao <tsl0922@gmail.com>

build(deps-dev): bump terser-webpack-plugin from 3.0.1 to 3.0.5 (#383)

Bumps [terser-webpack-plugin](https://github.com/webpack-contrib/terser-webpack-plugin) from 3.0.1 to 3.0.5.
- [Release notes](https://github.com/webpack-contrib/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/terser-webpack-plugin/compare/v3.0.1...v3.0.5)

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build(deps-dev): bump lint-staged from 10.2.6 to 10.2.11 (#384)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 10.2.6 to 10.2.11.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v10.2.6...v10.2.11)

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build(deps-dev): bump css-loader from 3.5.3 to 3.6.0 (#380)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 3.5.3 to 3.6.0.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v3.5.3...v3.6.0)

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build(deps-dev): bump ts-loader from 7.0.4 to 7.0.5 (#363)

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 7.0.4 to 7.0.5.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v7.0.4...v7.0.5)

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build(deps-dev): bump typescript from 3.9.3 to 3.9.5 (#371)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.3 to 3.9.5.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.9.3...v3.9.5)

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xterm.js 4.7.0

cmake: update git command args (#293)

cmake: fix build without C++ (#382)

Specify that ttyd is a C project to avoid the
following build failure if a C++ compiler isn't found.

CMake Error at CMakeLists.txt:3 (project):
  The CMAKE_CXX_COMPILER:

    /home/bartekk/Projects/buildroots/buildroot-dev/buildroot/output/host/bin/arm-buildroot-linux-uclibcgnueabihf-g++

  is not a full path to an existing compiler tool.

  Tell CMake where to find the compiler by setting either the environment
  variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
  to the compiler, or to the compiler name if it is in the PATH.

Signed-off-by: Bartosz Bilas <bartosz.bilas@hotmail.com>

http: fix build with lws 1.7

protocol: fix readonly handling (#373)

Previously, if running in readonly mode (`-R`), we would keep
accumulating incoming websocket data to `pss->buffer`, resizing it with
every incoming message. This would also break the `RESIZE` operation as
we would never get rid of the `INPUT` message.

Now we discard `INPUT` messages in `readonly` mode, 1) allowing resize
to work and 2) preventing the buffer from growing indefinitely.

build(deps): [security] bump websocket-extensions (#372)

Bumps [websocket-extensions](https://github.com/faye/websocket-extensions-node) from 0.1.3 to 0.1.4. **This update includes a security fix.**
- [Release notes](https://github.com/faye/websocket-extensions-node/releases)
- [Changelog](https://github.com/faye/websocket-extensions-node/blob/master/CHANGELOG.md)
- [Commits](https://github.com/faye/websocket-extensions-node/compare/0.1.3...0.1.4)

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html: rebuild header file

build(deps-dev): bump lint-staged from 10.2.2 to 10.2.6 (#362)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 10.2.2 to 10.2.6.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v10.2.2...v10.2.6)

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build(deps-dev): bump typescript from 3.9.2 to 3.9.3 (#360)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.2 to 3.9.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.9.2...v3.9.3)

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build(deps): bump preact from 10.4.1 to 10.4.4 (#358)

Bumps [preact](https://github.com/preactjs/preact) from 10.4.1 to 10.4.4.
- [Release notes](https://github.com/preactjs/preact/releases)
- [Commits](https://github.com/preactjs/preact/compare/10.4.1...10.4.4)

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xterm.js 4.6.0

Fix type declaration (#357)

`pty` is a file descriptor (i.e. an int), not a pid.

build(deps-dev): bump typescript from 3.8.3 to 3.9.2 (#350)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.8.3 to 3.9.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.8.3...v3.9.2)

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build(deps-dev): bump webpack-dev-server from 3.10.3 to 3.11.0 (#347)

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 3.10.3 to 3.11.0.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-dev-server/compare/v3.10.3...v3.11.0)

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build(deps-dev): bump ts-loader from 7.0.3 to 7.0.4 (#349)

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 7.0.3 to 7.0.4.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v7.0.3...v7.0.4)

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build(deps-dev): bump ts-loader from 7.0.2 to 7.0.3 (#342)

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 7.0.2 to 7.0.3.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v7.0.2...v7.0.3)

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build(deps-dev): bump terser-webpack-plugin from 3.0.0 to 3.0.1 (#343)

Bumps [terser-webpack-plugin](https://github.com/webpack-contrib/terser-webpack-plugin) from 3.0.0 to 3.0.1.
- [Release notes](https://github.com/webpack-contrib/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/terser-webpack-plugin/compare/v3.0.0...v3.0.1)

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build(deps-dev): bump node-sass from 4.14.0 to 4.14.1 (#340)

Bumps [node-sass](https://github.com/sass/node-sass) from 4.14.0 to 4.14.1.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/node-sass/compare/v4.14.0...v4.14.1)

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src: fix lws version check for keep alive

html: set URL of stylesheet by href

URL should be set with attribute `href`, `src` is no longer supportd by new browsers

build(deps-dev): bump terser-webpack-plugin from 2.3.5 to 3.0.0 (#339)

Bumps [terser-webpack-plugin](https://github.com/webpack-contrib/terser-webpack-plugin) from 2.3.5 to 3.0.0.
- [Release notes](https://github.com/webpack-contrib/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/terser-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/terser-webpack-plugin/compare/v2.3.5...v3.0.0)

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build(deps-dev): bump ts-loader from 7.0.1 to 7.0.2 (#336)

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 7.0.1 to 7.0.2.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v7.0.1...v7.0.2)

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build(deps-dev): bump html-webpack-plugin from 4.2.0 to 4.3.0 (#338)

Bumps [html-webpack-plugin](https://github.com/jantimon/html-webpack-plugin) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/jantimon/html-webpack-plugin/releases)
- [Changelog](https://github.com/jantimon/html-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jantimon/html-webpack-plugin/compare/v4.2.0...v4.3.0)

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build(deps-dev): bump tslint from 6.1.1 to 6.1.2 (#332)

Bumps [tslint](https://github.com/palantir/tslint) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/palantir/tslint/releases)
- [Changelog](https://github.com/palantir/tslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/palantir/tslint/compare/6.1.1...6.1.2)

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build(deps-dev): bump lint-staged from 10.1.7 to 10.2.2 (#337)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 10.1.7 to 10.2.2.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v10.1.7...v10.2.2)

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build(deps-dev): bump style-loader from 1.1.4 to 1.2.1 (#333)

Bumps [style-loader](https://github.com/webpack-contrib/style-loader) from 1.1.4 to 1.2.1.
- [Release notes](https://github.com/webpack-contrib/style-loader/releases)
- [Changelog](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/style-loader/compare/v1.1.4...v1.2.1)

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build(deps-dev): bump css-loader from 3.5.2 to 3.5.3 (#330)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 3.5.2 to 3.5.3.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v3.5.2...v3.5.3)

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html: rebuild header file

build(deps): bump preact from 10.3.4 to 10.4.1 in /html (#323)

Bumps [preact](https://github.com/preactjs/preact) from 10.3.4 to 10.4.1.
- [Release notes](https://github.com/preactjs/preact/releases)
- [Commits](https://github.com/preactjs/preact/compare/10.3.4...10.4.1)

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build(deps-dev): bump html-webpack-plugin from 4.0.0 to 4.2.0 in /html (#313)

Bumps [html-webpack-plugin](https://github.com/jantimon/html-webpack-plugin) from 4.0.0 to 4.2.0.
- [Release notes](https://github.com/jantimon/html-webpack-plugin/releases)
- [Changelog](https://github.com/jantimon/html-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jantimon/html-webpack-plugin/compare/v4.0.0...v4.2.0)

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build(deps-dev): bump node-sass from 4.13.1 to 4.14.0 in /html (#327)

Bumps [node-sass](https://github.com/sass/node-sass) from 4.13.1 to 4.14.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/node-sass/compare/v4.13.1...v4.14.0)

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build(deps-dev): bump lint-staged from 10.1.3 to 10.1.7 in /html (#326)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 10.1.3 to 10.1.7.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v10.1.3...v10.1.7)

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build(deps-dev): bump webpack from 4.42.1 to 4.43.0 in /html (#325)

Bumps [webpack](https://github.com/webpack/webpack) from 4.42.1 to 4.43.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.42.1...v4.43.0)

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build(deps-dev): bump ts-loader from 6.2.1 to 7.0.1 in /html (#320)

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 6.2.1 to 7.0.1.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v6.2.1...v7.0.1)

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build(deps-dev): bump style-loader from 1.1.3 to 1.1.4 in /html (#317)

Bumps [style-loader](https://github.com/webpack-contrib/style-loader) from 1.1.3 to 1.1.4.
- [Release notes](https://github.com/webpack-contrib/style-loader/releases)
- [Changelog](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/style-loader/compare/v1.1.3...v1.1.4)

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build(deps-dev): bump husky from 4.2.3 to 4.2.5 in /html (#310)

Bumps [husky](https://github.com/typicode/husky) from 4.2.3 to 4.2.5.
- [Release notes](https://github.com/typicode/husky/releases)
- [Changelog](https://github.com/typicode/husky/blob/master/CHANGELOG.md)
- [Commits](https://github.com/typicode/husky/compare/v4.2.3...v4.2.5)

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build(deps-dev): bump css-loader from 3.4.2 to 3.5.2 (#306)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 3.4.2 to 3.5.2.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v3.4.2...v3.5.2)

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build(deps-dev): bump lint-staged from 10.0.8 to 10.1.3 (#304)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 10.0.8 to 10.1.3.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v10.0.8...v10.1.3)

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build(deps-dev): bump tslint from 5.20.1 to 6.1.1 (#302)

Bumps [tslint](https://github.com/palantir/tslint) from 5.20.1 to 6.1.1.
- [Release notes](https://github.com/palantir/tslint/releases)
- [Changelog](https://github.com/palantir/tslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/palantir/tslint/compare/5.20.1...6.1.1)

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remove greenkeeper config

html: xterm.js 4.5.0

clang-format: udpate ColumnLimit to 100 and reformat code

Improvements for --base-path usage (#292)

* Trim trailing slashes in --base-path option

* Redirect `/base-path` to `/base-path/`

* Log endpoints if --base-path is provided

* Use predefined token for standard header 'location'

Update webpack in group default to the latest version 🚀 (#288)

* chore(package): update webpack to version 4.42.1

* chore(package): update lockfile html/yarn.lock

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Update html-webpack-plugin in group default to the latest version 🚀 (#287)

* chore(package): update html-webpack-plugin to version 4.0.0

* chore(package): update lockfile html/yarn.lock

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man: add the --base-path option

src: reformat with clang-format

html: update npm packages

build(deps): bump acorn from 6.4.0 to 6.4.1 in /html (#284)

Bumps [acorn](https://github.com/acornjs/acorn) from 6.4.0 to 6.4.1.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/6.4.0...6.4.1)

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html: recreate sentry object on zmodem reset

all: use the static keyword on functions

protocol: replace uv_try_write with uv_write

README: update badges

workflow: update trigger

workflow: bump to lws 4.0.1

Add -b, --base-path option for reverse proxies (#151) (#281)

* Add -b, --base-path option for reverse proxies (#151)

workflow: add lws 4.0.0

protocol: fix lws callback compatibility

server: mute lws 4.0 extensions warning

html: reuse xterm instance on reconnect

html: preact 10.3.2

Add 64-bit ARM (aarch64) build (#275)

workflow: update backend

update README

README: move docs to wiki

update README

libwebsockets: 3.2.2

update README

Bump to 1.6.0

README: remove duplicate apt packages

all: cleanup third party makefiles

cmake: cleanup unused config

cmake: remove pkg-config usage

html: polish code

README: add nginx proxy conf

html: use api to fetch auth token

html: xterm.js 4.4.0

html: embed gziped version

cmake: remove xxd dependency

Update lint-staged in group default to the latest version 🚀 (#264)

* chore(package): update lint-staged to version 10.0.3

* chore(package): update lockfile html/yarn.lock

Update issue templates

http: add missing header (#263)

Fixes compilation without deprecated OpenSSL APIs.

server: print listen port on start

Update husky in group default to the latest version 🚀 (#262)

* chore(package): update husky to version 4.0.6

* chore(package): update lockfile html/yarn.lock

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