chore(deps): update docker.io/rust docker tag to v1.82.0

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/rust | minor | `1.77` -> `1.78` |

---

### Configuration

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♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zMzQuNCIsInVwZGF0ZWRJblZlciI6IjM3LjMzNC40IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Co-authored-by: Renovate Bot <renovate@kemitix.net>
Co-authored-by: kemitix <kemitix@noreply.kemitix.net>
Reviewed-on: #13
Co-authored-by: renovate <renovate@noreply.kemitix.net>
Co-committed-by: renovate <renovate@noreply.kemitix.net>

.forgejo/workflows/push-next.yml

@@ -0,0 +1,52 @@
+name: Rust
+
+on:
+  push:
+    branches: ["next"]
+  pull_request:
+    branches: ["main"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: docker
+
+    strategy:
+      matrix:
+        toolchain:
+          - name: stable
+          - name: nightly
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Format
+        uses: https://git.kemitix.net/kemitix/rust@v2.3.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo fmt --all -- --check
+
+      # - name: Machete
+      #   uses: https://github.com/bnjbvr/cargo-machete@v0.6.2
+
+      - name: Clippy
+        uses: https://git.kemitix.net/kemitix/rust@v2.3.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo clippy
+
+      - name: Build
+        uses: https://git.kemitix.net/kemitix/rust@v2.3.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo build
+
+      - name: Test
+        uses: https://git.kemitix.net/kemitix/rust@v2.3.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo test --no-fail-fast
+
+      - name: Integration
+        uses: https://git.kemitix.net/kemitix/rust@v2.3.0
+        with:
+          args: ./test.sh

.woodpecker.yml

@@ -0,0 +1,46 @@
+variables:
+  - &rust_image "docker.io/rust:1.82.0"
+  - &slow_check_paths
+    - path:
+        # rust source code
+        - "crates/**"
+        - "src/**"
+        - "tests/**"
+        - "**/Cargo.toml"
+        - "Cargo.lock"
+        # database migrations
+        - "migrations/**"
+        # config files and scripts used by ci
+        - ".woodpecker.yml"
+
+steps:
+  toml_fmt:
+    image: docker.io/tamasfe/taplo:0.9.3
+    commands:
+      - taplo format --check
+
+  cargo_machete:
+    image: *rust_image
+    commands:
+      - wget https://github.com/cargo-bins/cargo-binstall/releases/latest/download/cargo-binstall-x86_64-unknown-linux-musl.tgz
+      - tar -xvf cargo-binstall-x86_64-unknown-linux-musl.tgz
+      - rm cargo-binstall-x86_64-unknown-linux-musl.tgz
+      - mv cargo-binstall /usr/local/cargo/bin
+      - cargo binstall -y cargo-machete
+      - cargo machete
+
+  ignored_files:
+    image: docker.io/alpine:latest
+    commands:
+      - apk add git
+      - IGNORED=$(git ls-files --cached -i --exclude-standard)
+      - if [[ "$IGNORED" ]]; then echo "Ignored files present:\n$IGNORED\n"; exit 1; fi
+
+  publish_to_crates_io:
+    image: *rust_image
+    commands:
+      - cargo login "$CARGO_REGISTRY_TOKEN"
+      - cargo publish --registry crates-io --no-verify
+    secrets: [cargo_registry_token]
+    when:
+      event: tag

Cargo.lock

@@ -3,46 +3,82 @@
 version = 3
 
 [[package]]
-name = "bitflags"
-version = "1.3.2"
+name = "anstream"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+checksum = "6e2e1ebcb11de5c03c67de28a7df593d32191b44939c482e97702baaaa6ab6a5"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
 
 [[package]]
-name = "bitflags"
-version = "2.0.2"
+name = "anstyle"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "487f1e0fcbe47deb8b0574e646def1c903389d95241dd1bbcc6ce4a715dfc0c1"
+checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
 
 [[package]]
-name = "cc"
-version = "1.0.79"
+name = "anstyle-parse"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
 
 [[package]]
 name = "clap"
-version = "4.1.11"
+version = "4.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42dfd32784433290c51d92c438bb72ea5063797fc3cc9a21a8c4346bebbb2098"
+checksum = "80c21025abd42669a92efc996ef13cfb2c5c627858421ea58d5c3b331a6c134f"
 dependencies = [
- "bitflags 2.0.2",
+ "clap_builder",
  "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "458bf1f341769dfcf849846f65dffdf9146daa56bcd2a47cb4e1de9915567c99"
+dependencies = [
+ "anstream",
+ "anstyle",
  "clap_lex",
- "is-terminal",
- "once_cell",
  "strsim",
- "termcolor",
 ]
 
 [[package]]
 name = "clap_derive"
-version = "4.1.9"
+version = "4.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fddf67631444a3a3e3e5ac51c36a5e01335302de677bd78759eaa90ab1f46644"
+checksum = "307bc0538d5f0f83b8248db3087aa92fe504e4691294d0c96c0eabc33f47ba47"
 dependencies = [
  "heck",
- "proc-macro-error",
  "proc-macro2",
  "quote",
  "syn",
@@ -50,33 +86,15 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.3.3"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "033f6b7a4acb1f358c742aaca805c939ee73b4c6209ae4318ec7aca81c42e646"
-dependencies = [
- "os_str_bytes",
-]
+checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
 
 [[package]]
-name = "errno"
-version = "0.2.8"
+name = "colorchoice"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
-dependencies = [
- "errno-dragonfly",
- "libc",
- "winapi",
-]
-
-[[package]]
-name = "errno-dragonfly"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
-dependencies = [
- "cc",
- "libc",
-]
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
 name = "heck"
@@ -84,88 +102,11 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
-[[package]]
-name = "hermit-abi"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
-
-[[package]]
-name = "io-lifetimes"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0dd6da19f25979c7270e70fa95ab371ec3b701cd0eefc47667a09785b3c59155"
-dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys",
-]
-
-[[package]]
-name = "is-terminal"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8687c819457e979cc940d09cb16e42a1bf70aa6b60a549de6d3a62a0ee90c69e"
-dependencies = [
- "hermit-abi",
- "io-lifetimes",
- "rustix",
- "windows-sys",
-]
-
-[[package]]
-name = "libc"
-version = "0.2.140"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
-
-[[package]]
-name = "linux-raw-sys"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
-
-[[package]]
-name = "once_cell"
-version = "1.17.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
-
-[[package]]
-name = "os_str_bytes"
-version = "6.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ceedf44fb00f2d1984b0bc98102627ce622e083e49a5bacdb3e514fa4238e267"
-
-[[package]]
-name = "proc-macro-error"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
-dependencies = [
- "proc-macro-error-attr",
- "proc-macro2",
- "quote",
- "syn",
- "version_check",
-]
-
-[[package]]
-name = "proc-macro-error-attr"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
-dependencies = [
- "proc-macro2",
- "quote",
- "version_check",
-]
-
 [[package]]
 name = "proc-macro2"
-version = "1.0.52"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d0e1ae9e836cc3beddd63db0df682593d7e2d3d891ae8c9083d2113e1744224"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
 dependencies = [
  "unicode-ident",
 ]
@@ -179,53 +120,30 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rustix"
-version = "0.36.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fe885c3a125aa45213b68cc1472a49880cb5923dc23f522ad2791b882228778"
-dependencies = [
- "bitflags 1.3.2",
- "errno",
- "io-lifetimes",
- "libc",
- "linux-raw-sys",
- "windows-sys",
-]
-
 [[package]]
 name = "skip"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "clap",
 ]
 
 [[package]]
 name = "strsim"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "5ee073c9e4cd00e28217186dbe12796d692868f432bf2e97ee73bed0c56dfa01"
 
 [[package]]
 name = "syn"
-version = "1.0.109"
+version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+checksum = "79d9531f94112cfc3e4c8f5f02cb2b58f72c97b7efd85f70203cc6d8efda5927"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-ident",
 ]
 
-[[package]]
-name = "termcolor"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.8"
@@ -233,56 +151,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
-name = "version_check"
-version = "0.9.4"
+name = "utf8parse"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
 [[package]]
 name = "windows-sys"
-version = "0.45.0"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
  "windows-targets",
 ]
 
 [[package]]
 name = "windows-targets"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
@@ -295,42 +182,42 @@ dependencies = [
 
 [[package]]
 name = "windows_aarch64_gnullvm"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
 
 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.42.2"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"

Cargo.toml

@@ -1,9 +1,17 @@
 [package]
 name = "skip"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
+authors = ["Paul Campbell <pcampbell@kemitix.net>"]
+categories = ["command-line-utilities"]
+description = "Skip lines in a file"
+license = "MIT"
+repository = "https://git.kemitix.net/kemitix/skip"
+keywords = ["skip", "lines", "file", "text", "utility"]
+rust-version = "1.74.1"
+exclude = [".cargo_home"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.0", features = ["derive"] }
+clap = { version = "4.5", features = ["derive"] }

README.md

@@ -2,13 +2,17 @@
 
 Skip part of a file.
 
-As `head` will show the top of a file after a number of line,
+As `head` will show the top of a file up-to a number of line,
  so `skip` will do the opposite, and not show the top of the file,
  but will show the rest.
 
 Additionally, it can check for whole lines matching,
  or for a token being present on the line.
 
+N.B.: The `skip` crate used to be an implementation of [Skip list](https://en.wikipedia.org/wiki/Skip_list),
+by [Luo Jia / Zhouqi Jiang](https://github.com/luojia65) ([source](https://github.com/luojia65/skip)).
+That crate will be republished as [skip-list](https://crates.io/crates/skip-list) (soon).
+
 ## Usage
 
 ### Skip a fixed number of lines

justfile

@@ -1,15 +1,15 @@
-dist: target-release-skip
+dist: target-release
 	if test ! -d dist ; then mkdir dist ; fi
 	cp target/release/skip dist/
 
-inttest: target-debug-skip
-	./test.sh
-
-target-release-skip: unittest inttest
+target-release: unittest inttest
 	cargo build --release
 
-target-debug-skip:
-	cargo build
+inttest: target-debug
+	./test.sh
 
-unittest: target-debug-skip
+unittest: target-debug
 	cargo test
+
+target-debug:
+	cargo build

renovate.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"],
+  "packageRules": [
+    {
+      "matchManagers": ["cargo"],
+      "rangeStrategy": "replace"
+    }
+  ]
+}

src/lib.rs

@@ -39,7 +39,7 @@ pub fn skip(cli: &Cli, writer: &mut impl Write) -> Result<()> {
         None => Box::new(BufReader::new(std::io::stdin())),
     };
     if let Some(line) = &cli.line {
-        skip_lines_matching(&cli, reader, writer, line)
+        skip_lines_matching(cli, reader, writer, line)
     } else if let Some(ref token) = cli.token {
         skip_tokens(cli, reader, writer, token)
     } else {
@@ -49,14 +49,10 @@ pub fn skip(cli: &Cli, writer: &mut impl Write) -> Result<()> {
 
 // skip a number of lines
 fn skip_lines(cli: &Cli, reader: Box<dyn BufRead>, writer: &mut impl Write) -> Result<()> {
-    let mut counter = 0usize;
-    for current_line in reader.lines() {
-        if let Ok(current_line) = current_line {
+    for (counter, current_line) in reader.lines().map_while(Option::Some).flatten().enumerate() {
         if counter >= cli.lines {
             writeln!(writer, "{}", current_line)?;
         }
-            counter += 1;
-        }
     }
     Ok(())
 }
@@ -69,8 +65,7 @@ fn skip_lines_matching(
     line: &str,
 ) -> Result<()> {
     let mut counter = 0usize;
-    for current_line in reader.lines() {
-        if let Ok(current_line) = current_line {
+    for current_line in reader.lines().map_while(Option::Some).flatten() {
         if counter >= cli.lines {
             writeln!(writer, "{}", current_line)?;
         }
@@ -78,7 +73,6 @@ fn skip_lines_matching(
             counter += 1;
         }
     }
-    }
     Ok(())
 }
 
@@ -92,12 +86,11 @@ fn skip_tokens(
 ) -> Result<()> {
     let mut counter = 0usize;
 
-    for current_line in reader.lines() {
-        if let Ok(current_line) = current_line {
+    for current_line in reader.lines().map_while(Option::Some).flatten() {
         if counter >= cli.lines {
             writeln!(writer, "{}", current_line)?;
         }
-            if current_line.contains(&token) {
+        if current_line.contains(token) {
             if cli.ignore_extras {
                 counter += 1;
             } else {
@@ -106,7 +99,6 @@ fn skip_tokens(
             }
         }
     }
-    }
     Ok(())
 }
 
@@ -151,10 +143,7 @@ mod tests {
         skip(&cli, &mut lines)?;
 
         //then
-        assert_eq!(
-            String::from_utf8(lines)?,
-            vec!["alpha", "gamma\n"].join("\n")
-        );
+        assert_eq!(String::from_utf8(lines)?, ["alpha", "gamma\n"].join("\n"));
         Ok(())
     }
 
@@ -196,7 +185,7 @@ mod tests {
         //then
         assert_eq!(
             String::from_utf8(lines)?,
-            vec![
+            [
                 "Or help one fainting robin",
                 "Unto his nest again,",
                 "I shall not live in vain.\n"
@@ -224,7 +213,7 @@ mod tests {
         //then
         assert_eq!(
             String::from_utf8(lines)?,
-            vec![
+            [
                 //Lorem ipsum dolor sit amet,        -- +2 = 2
                 //consectetur adipiscing elit,
                 //sed do eiusmod tempor incididunt   -- +1 = 3
@@ -257,7 +246,7 @@ mod tests {
         //then
         assert_eq!(
             String::from_utf8(lines)?,
-            vec![
+            [
                 //Lorem ipsum dolor sit amet,        -- 1
                 //consectetur adipiscing elit,
                 //sed do eiusmod tempor incididunt   -- 2

test.sh

@@ -2,37 +2,41 @@
 
 set -e
 
+echo "PWD: $PWD"
+ls -l
+ls -l target
 SKIP="./target/debug/skip"
 DIFF="diff -u --color"
 
-if test ! -x $SKIP ; then
-    echo "File missing: $SKIP - try 'zig build'"
+if test ! -x $SKIP; then
+  echo "File missing: $SKIP - try 'cargo build'"
   exit 1
 fi
 
 echo "> skip a line when reading from stdin"
-INPUT=$(cat<<EOF
+INPUT=$(
+  cat <<EOF
 line 1
 line 2
 EOF
 )
-echo "line 2" > test.expect
-echo "$INPUT" | $SKIP 1 > test.out
+echo "line 2" >test.expect
+echo "$INPUT" | $SKIP 1 >test.out
 $DIFF test.expect test.out
 rm test.expect test.out
 
 echo "> skip a line when reading from a file"
-cat<<EOF > test.in
+cat <<EOF >test.in
 line 1
 line 2
 EOF
-echo "line 2" > test.expect
-$SKIP 1 test.in > test.out
+echo "line 2" >test.expect
+$SKIP 1 test.in >test.out
 $DIFF test.expect test.out
 rm test.expect test.out
 
 echo "> skip until 2 matching lines seen"
-cat<<EOF > test.in
+cat <<EOF >test.in
 alpha
 beta
 alpha
@@ -40,17 +44,17 @@ alpha
 gamma
 alpha
 EOF
-cat<<EOF > test.expect
+cat <<EOF >test.expect
 alpha
 gamma
 alpha
 EOF
-$SKIP 2 test.in --line alpha > test.out
+$SKIP 2 test.in --line alpha >test.out
 $DIFF test.expect test.out
 rm test.in test.expect test.out
 
 echo "> skip lines until 2 tokens seen"
-cat<<EOF > test.in
+cat <<EOF >test.in
 Lorem ipsum dolor sit amet, 
 consectetur adipiscing elit, 
 sed do eiusmod tempor incididunt 
@@ -60,37 +64,37 @@ quis nostrud exercitation ullamco
 laboris nisi ut aliquip ex ea 
 commodo consequat. 
 EOF
-cat<<EOF > test.expect
+cat <<EOF >test.expect
 Ut enim ad minim veniam, 
 quis nostrud exercitation ullamco 
 laboris nisi ut aliquip ex ea 
 commodo consequat. 
 EOF
-$SKIP 2 test.in --token dolor > test.out
+$SKIP 2 test.in --token dolor >test.out
 $DIFF test.expect test.out
 rm test.in test.expect test.out
 
 echo "> handle unknown parameter with simple error message"
-cat<<EOF > test.expect.err
+cat <<EOF >test.expect.err
 error: unexpected argument '--foo' found
 
-  note: to pass '--foo' as a value, use '-- --foo'
+  tip: to pass '--foo' as a value, use '-- --foo'
 
 Usage: skip [OPTIONS] <LINES> [FILE]
 
 For more information, try '--help'.
 EOF
-cat<<EOF > test.expect
+cat <<EOF >test.expect
 EOF
 touch test.out test.err
-$SKIP --foo > test.out 2> test.err || true
+$SKIP --foo >test.out 2>test.err || true
 $DIFF test.expect test.out
 $DIFF test.expect.err test.err
 rm test.expect test.out
 rm test.expect.err test.err
 
 echo "> handle ignore-extra when token is missing"
-cat<<EOF > test.expect.err
+cat <<EOF >test.expect.err
 error: the following required arguments were not provided:
   --token <TOKEN>
   <LINES>
@@ -99,17 +103,17 @@ Usage: skip --ignore-extras --token <TOKEN> <LINES> [FILE]
 
 For more information, try '--help'.
 EOF
-cat<<EOF > test.expect
+cat <<EOF >test.expect
 EOF
 touch test.out test.err
-$SKIP --ignore-extras > test.out 2> test.err || true
+$SKIP --ignore-extras >test.out 2>test.err || true
 $DIFF test.expect test.out
 $DIFF test.expect.err test.err
 rm test.expect test.out
 rm test.expect.err test.err
 
 echo "> skip lines until 4 tokens seen - ignored extra tokens on same line"
-cat<<EOF > test.in
+cat <<EOF >test.in
 Lorem ipsum dolor sit amet, 
 consectetur adipiscing elit, 
 sed do eiusmod tempor incididunt 
@@ -119,12 +123,12 @@ quis nostrud exercitation ullamco
 laboris nisi ut aliquip ex ea 
 commodo consequat. 
 EOF
-cat<<EOF > test.expect
+cat <<EOF >test.expect
 quis nostrud exercitation ullamco 
 laboris nisi ut aliquip ex ea 
 commodo consequat. 
 EOF
-$SKIP 4 test.in --token m --ignore-extras > test.out
+$SKIP 4 test.in --token m --ignore-extras >test.out
 $DIFF test.expect test.out
 rm test.in test.expect test.out