Initial implementation

.clippy.toml

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+disallowed-methods = [
+    # https://internals.rust-lang.org/t/synchronized-ffi-access-to-posix-environment-variable-functions/15475
+    { path = "std::env::remove_var", reason = "this function should be considered `unsafe`" },
+    { path = "std::env::set_var", reason = "this function should be considered `unsafe`" },
+    # Since we are using fs-err crate (as `fs`), `fs::*` functions will output a better error.
+    { path = "std::fs::canonicalize", reason = "use `fs::canonicalize` instead" },
+    { path = "std::fs::copy", reason = "use `fs::copy` instead" },
+    { path = "std::fs::create_dir_all", reason = "use `fs::create_dir_all` instead" },
+    { path = "std::fs::create_dir", reason = "use `fs::create_dir` instead" },
+    { path = "std::fs::hard_link", reason = "use `fs::hard_link` instead" },
+    { path = "std::fs::metadata", reason = "use `fs::metadata` instead" },
+    { path = "std::fs::read_dir", reason = "use `fs::read_dir` instead" },
+    { path = "std::fs::read_link", reason = "use `fs::read_link` instead" },
+    { path = "std::fs::read_to_string", reason = "use `fs::read_to_string` instead" },
+    { path = "std::fs::read", reason = "use `fs::read` instead" },
+    { path = "std::fs::remove_dir_all", reason = "use `fs::remove_dir_all` instead" },
+    { path = "std::fs::remove_dir", reason = "use `fs::remove_dir` instead" },
+    { path = "std::fs::remove_file", reason = "use `fs::remove_file` instead" },
+    { path = "std::fs::rename", reason = "use `fs::rename` instead" },
+    { path = "std::fs::set_permissions", reason = "use `fs::set_permissions` instead" },
+    { path = "std::fs::symlink_metadata", reason = "use `fs::symlink_metadata` instead" },
+    { path = "std::fs::write", reason = "use `fs::write` instead" },
+    { path = "std::path::Path::canonicalize", reason = "use `fs::canonicalize` instead" },
+    { path = "std::path::Path::metadata", reason = "use `fs::metadata` instead" },
+    { path = "std::path::Path::read_dir", reason = "use `fs::read_dir` instead" },
+    { path = "std::path::Path::read_link", reason = "use `fs::read_link` instead" },
+    { path = "std::path::Path::symlink_metadata", reason = "use `fs::symlink_metadata` instead" },
+]
+disallowed-types = [
+    # Since we are using fs-err crate (as `fs`), `fs::*` types will output a better error.
+    { path = "std::fs::DirEntry", reason = "use `fs::DirEntry` instead" },
+    { path = "std::fs::File", reason = "use `fs::File` instead" },
+    { path = "std::fs::OpenOptions", reason = "use `fs::OpenOptions` instead" },
+    { path = "std::fs::ReadDir", reason = "use `fs::ReadDir` instead" },
+]

.cspell.json

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+{
+  "version": "0.2",
+  "gitignoreRoot": ".",
+  "useGitignore": true,
+  "dictionaryDefinitions": [
+    {
+      "name": "organization-dictionary",
+      "path": "./.github/.cspell/organization-dictionary.txt",
+      "addWords": true
+    },
+    {
+      "name": "project-dictionary",
+      "path": "./.github/.cspell/project-dictionary.txt",
+      "addWords": true
+    },
+    {
+      "name": "rust-dependencies",
+      "path": "./.github/.cspell/rust-dependencies.txt",
+      "addWords": true
+    }
+  ],
+  "dictionaries": [
+    "organization-dictionary",
+    "project-dictionary",
+    "rust-dependencies"
+  ],
+  "ignoreRegExpList": [
+    // Copyright notice
+    "Copyright ((\\(c\\)|\\(C\\)|©) )?.*",
+    // GHA actions/workflows
+    "uses: .+@",
+    // GHA context (repo name, owner name, etc.)
+    "github.\\w+ (=|!)= '.+'",
+    // GH username
+    "( |\\[)@[\\w_-]+",
+    // Git config username
+    "git config user.name .*",
+    // Cargo.toml authors
+    "authors *= *\\[.*\\]",
+    "\".* <[\\w_.+-]+@[\\w.-]+>\""
+  ],
+  "languageSettings": [
+    {
+      "languageId": ["*"],
+      "dictionaries": ["rust"]
+    }
+  ],
+  "ignorePaths": []
+}

.deny.toml

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+# https://embarkstudios.github.io/cargo-deny/checks/advisories/cfg.html
+[advisories]
+vulnerability = "deny"
+unmaintained = "deny"
+yanked = "deny"
+notice = "deny"
+ignore = []
+
+# https://embarkstudios.github.io/cargo-deny/checks/bans/cfg.html
+[bans]
+multiple-versions = "deny"
+wildcards = "allow" # https://github.com/EmbarkStudios/cargo-deny/issues/448
+skip = []
+
+# https://embarkstudios.github.io/cargo-deny/checks/licenses/cfg.html
+[licenses]
+default = "deny"
+unlicensed = "deny"
+copyleft = "deny"
+unused-allowed-license = "deny"
+private.ignore = true
+allow = [
+    "Apache-2.0",
+    "MIT",
+    "Unicode-DFS-2016", # unicode-ident
+]
+
+# https://embarkstudios.github.io/cargo-deny/checks/sources/cfg.html
+[sources]
+unknown-registry = "deny"
+unknown-git = "deny"
+allow-git = []

.editorconfig

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+# EditorConfig configuration
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{json,md,yml}]
+indent_size = 2
+
+[*.{js,yml}]
+quote_type = single
+
+[*.sh]
+binary_next_line = true
+switch_case_indent = true

.gitattributes

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+* text=auto eol=lf

.github/.cspell/organization-dictionary.txt

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+// This is a dictionary shared by projects under https://github.com/taiki-e.
+// It is not intended for manual editing.
+
+endo
+taiki
+
+// tool name and its configs or options
+asan
+cflags
+clippy
+codegen
+cxxflags
+exitcode
+miri
+miriflags
+msan
+retag
+rustc
+rustdoc
+rustdocflags
+rustflags
+rustfmt
+rustsec
+rustup
+valgrind
+xcompile
+Zdoctest
+Zmiri
+
+// Rust target triple
+aarch
+androideabi
+armeb
+armebv
+armv
+asmjs
+atmega
+bpfeb
+bpfel
+cuda
+eabi
+eabihf
+emscripten
+espidf
+fortanix
+gnuabi
+gnueabi
+gnueabihf
+gnullvm
+gnuspe
+gnux
+illumos
+imac
+macabi
+mipsel
+mipsisa
+msvc
+muslabi
+musleabi
+musleabihf
+newlibeabihf
+nvptx
+openwrt
+riscv
+softfloat
+sparcv
+thumbeb
+thumbebv
+thumbv
+tvos
+uclibc
+uclibceabi
+uclibceabihf
+uefi
+vxworks
+wasi
+watchos
+xous
+
+// Rust other
+alloc
+canonicalize
+consts
+deque
+doctest
+hasher
+inlateout
+intrinsics
+lateout
+msrv
+peekable
+punct
+repr
+rfind
+rfold
+rsplit
+splitn
+supertrait
+supertraits
+toolchains
+uninit
+upcastable
+
+// Other
+connrefused
+cygwin
+euxo
+msys
+noninteractive
+noprofile
+norc
+pipefail
+powerset
+proto
+tlsv

.github/.cspell/project-dictionary.txt

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+binstall
+subcmd

.github/.cspell/rust-dependencies.txt

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+// This file is @generated by tidy.sh.
+// It is not intended for manual editing.
+
+anyhow
+camino
+cargo
+ctrlc
+edit
+escape
+json
+lexopt
+metadata
+serde
+shell
+slab
+termcolor
+terminal
+toml

.github/bors.toml

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+status = ["ci"]
+timeout_sec = 7200

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: /
+    schedule:
+      interval: daily
+    commit-message:
+      prefix: ''
+    labels: []