feat(nu): 'nushell' completion support

Cargo.toml

@@ -7,6 +7,7 @@ members = [
   "clap_lex",
   "clap_complete",
   "clap_complete_fig",
+  "clap_complete_nushell",
   "clap_mangen",
 ]
 

clap_complete_nushell/CHANGELOG.md

@@ -0,0 +1,11 @@
+# Change Log
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+<!-- next-header -->
+## [Unreleased] - ReleaseDate
+
+<!-- next-url -->
+[Unreleased]: https://github.com/clap-rs/clap/compare/bd163098e122bb65e053a61b773931c8f36d2e7d...HEAD

clap_complete_nushell/Cargo.toml

@@ -0,0 +1,45 @@
+[package]
+name = "clap_complete_nushell"
+version = "0.1.11"
+description = "A generator library used with clap for Nushell completion scripts"
+repository = "https://github.com/clap-rs/clap/tree/master/clap_complete_nushell"
+categories = ["command-line-interface"]
+keywords = [
+  "clap",
+  "cli",
+  "completion",
+  "nushell"
+]
+license.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+include.workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[package.metadata.release]
+pre-release-replacements = [
+  {file="CHANGELOG.md", search="Unreleased", replace="{{version}}", min=1},
+  {file="CHANGELOG.md", search="\\.\\.\\.HEAD", replace="...{{tag_name}}", exactly=1},
+  {file="CHANGELOG.md", search="ReleaseDate", replace="{{date}}", min=1},
+  {file="CHANGELOG.md", search="<!-- next-header -->", replace="<!-- next-header -->\n## [Unreleased] - ReleaseDate\n", exactly=1},
+  {file="CHANGELOG.md", search="<!-- next-url -->", replace="<!-- next-url -->\n[Unreleased]: https://github.com/clap-rs/clap/compare/{{tag_name}}...HEAD", exactly=1},
+]
+
+[lib]
+bench = false
+
+[dependencies]
+clap = { path = "../", version = "4.0.0", default-features = false, features = ["std"] }
+clap_complete = { path = "../clap_complete", version = "4.0.0" }
+
+[dev-dependencies]
+snapbox = { version = "0.4.10", features = ["diff"] }
+clap = { path = "../", version = "4.0.0", default-features = false, features = ["std", "help"] }
+nu-cli = "0.78.0"
+nu-command = "0.78.0"
+nu-parser = "0.78.0"
+nu-protocol = "0.78.0"
+nu-test-support = "0.78.0"
+reedline = "0.18.0"

clap_complete_nushell/LICENSE-APACHE

@@ -0,0 +1,201 @@
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clap_complete_nushell/LICENSE-MIT

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2022 nibon7 <[email protected]>  and Clap Contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
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+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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