Add a complete CD

This commit include the features:
- The version is available with `lsd --version`
- Create the completions scripts for bash/fish/zsh/powershell
- Return an error during the build if the rust requirements are not ok.
- Add the binaries into the releases assets
- Fix Size for the i686 architectures

.travis.yml

@@ -1,18 +1,117 @@
 language: rust
-
-rust:
-  - stable
-  - beta
-  - nightly
-
-sudo: false
 cache: cargo
+sudo: false
 
 matrix:
   allow_failures:
-    - rust: nightly
+  include:
-  fast_finish: true
+    # Stable channel.
+    - os: linux
+      rust: stable
+      env: TARGET=x86_64-unknown-linux-gnu
+    - os: linux
+      rust: stable
+      env: TARGET=i686-unknown-linux-gnu
+    - os: osx
+      rust: stable
+      env: TARGET=x86_64-apple-darwin
+
+    # Beta channel.
+    - os: linux
+      rust: beta
+      env: TARGET=x86_64-unknown-linux-gnu
+    # Disabled to reduce total CI time
+    # - os: linux
+    #   rust: beta
+    #   env: TARGET=i686-unknown-linux-gnu
+    # - os: osx
+    #   rust: beta
+    #   env: TARGET=x86_64-apple-darwin
+
+    # Nightly channel.
+    - os: linux
+      rust: nightly
+      env: TARGET=x86_64-unknown-linux-gnu
+    # Disabled to reduce total CI time
+    # - os: linux
+    #   rust: nightly
+    #   env: TARGET=i686-unknown-linux-gnu
+    # - os: osx
+    #   rust: nightly
+    #   env: TARGET=x86_64-apple-darwin
+
+    # Minimum Rust supported channel.
+    - os: linux
+      rust: 1.30.1
+      env: TARGET=x86_64-unknown-linux-gnu
+    - os: linux
+      rust: 1.30.1
+      env: TARGET=i686-unknown-linux-gnu
+    - os: osx
+      rust: 1.30.1
+      env: TARGET=x86_64-apple-darwin
+
+    # Code formatting check
+    - os: linux
+      rust: stable
+      # skip the global install step
+      install:
+        - rustup component add clippy-preview
+      script:
+        - cargo clippy
+
+addons:
+  apt:
+    packages:
+      # needed for i686-unknown-linux-gnu target
+      - gcc-multilib
+
+env:
+  global:
+    # Default target on travis-ci.
+    # Used as conditional check in the install stage
+    - HOST=x86_64-unknown-linux-gnu
+    # Used on the deployment script
+    - PROJECT_NAME=lsd
+
+install:
+  # prevent target re-add error from rustup
+  - if [[ $TRAVIS_OS_NAME = linux && $HOST != $TARGET ]]; then rustup target add $TARGET; fi
 
 script:
-      - cargo build --verbose --all
+  # Incorporate TARGET env var to the build and test process
-      - cargo test --verbose --all
+  - cargo build --target $TARGET --verbose
+  - cargo test --target $TARGET --verbose
+
+
+before_deploy:
+  - bash deploy/before_deploy.bash
+
+deploy:
+  provider: releases
+  # NOTE updating the `api_key.secure`
+  # - go to: https://github.com/settings/tokens/new
+  # - generate new token using `public_repo` scope
+  # - encrypt it using: `travis encrypt API_KEY_HERE`
+  # - paste the output below
+  api_key:
+    secure: "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"
+
+  # for uploading multiple files
+  file_glob: true
+  # NOTE explanation on each env variable
+  # - PROJECT_NAME: name of the project, set on the `env.global` above
+  # - TRAVIS_TAG: tag name that the build is being deployed for, usually the version number
+  # - TARGET: target triple of the build
+  file: $PROJECT_NAME-$TRAVIS_TAG-$TARGET.*
+  # don't delete artifacts from previous stage
+  skip_cleanup: true
+  on:
+    # deploy only if we push a tag
+    tags: true
+    # deploy only on stable channel that has TARGET env variable sets
+    condition: $TRAVIS_RUST_VERSION = stable && $TARGET != ""
+
+notifications:
+  email:
+    on_success: never

Cargo.lock

@@ -30,11 +30,21 @@ dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term_size 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.2.0"
@@ -57,6 +67,7 @@ dependencies = [
  "terminal_size 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "users 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -85,6 +96,16 @@ dependencies = [
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "term_size"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "terminal_size"
 version = "0.1.8"
@@ -109,6 +130,7 @@ name = "textwrap"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "term_size 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -140,6 +162,16 @@ name = "vec_map"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "version_check"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "winapi"
 version = "0.3.6"
@@ -149,6 +181,11 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -164,12 +201,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
 "checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
+"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
 "checksum libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)" = "10923947f84a519a45c8fefb7dd1b3e8c08747993381adee176d7a82b4195311"
 "checksum redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "679da7508e9a6390aeaf7fbd02a800fdc64b73fe2204dd2c8ae66d22d9d5ad5d"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum term_grid 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "230d3e804faaed5a39b08319efb797783df2fd9671b39b7596490cb486d702cf"
+"checksum term_size 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9e5b9a66db815dcfd2da92db471106457082577c3c278d4138ab3e3b4e189327"
 "checksum terminal_size 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "023345d35850b69849741bd9a5432aa35290e3d8eb76af8717026f270d1cf133"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
@@ -177,6 +216,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
 "checksum users 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7fed7d0912567d35f88010c23dbaf865e9da8b5227295e8dc0f2fdd109155ab7"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
+"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
+"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
+"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

Cargo.toml

@@ -1,5 +1,6 @@
 [package]
 authors = ["Peltoche <dev@halium.fr>"]
+build = "build.rs"
 categories = ["command-line-utilities"]
 description = "A ls command with a lot of pretty colors."
 homepage = "https://github.com/Peltoche/lsd"
@@ -10,9 +11,16 @@ readme = "./README.md"
 repository = "https://github.com/Peltoche/lsd"
 version = "0.6.4-pre"
 
+[[bin]]
+name = "lsd"
+path = "src/main.rs"
+
+[build-dependencies]
+clap = "2.32.0"
+version_check = "0.1.3"
+
 [dependencies]
 ansi_term = "0.11.0"
-clap = "2.32.0"
 lazy_static = "1.2.0"
 libc = "0.2.44"
 term_grid = "0.1.7"
@@ -20,12 +28,6 @@ terminal_size = "0.1.8"
 time = "0.1.40"
 users = "0.8.0"
 
-[metadata]
+[dependencies.clap]
-
+version = "2.32.0"
-[metadata.deb]
+features = ["suggestions", "color", "wrap_help"]
-assets = [["target/release/lsd", "usr/bin/", "755"], ["README.md", "usr/share/doc/cargo-deb/README", "644"]]
-depends = "$auto"
-license-file = ["LICENSE", "2"]
-maintainer = "Peltoche <dev@halium.fr>"
-priority = "optional"
-section = "utility"

build.rs

@@ -0,0 +1,42 @@
+// Copyright (c) 2017 fd developers
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0>
+// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
+// at your option. All files in the project carrying such
+// notice may not be copied, modified, or distributed except
+// according to those terms.
+
+#[macro_use]
+extern crate clap;
+extern crate version_check;
+
+use clap::Shell;
+use std::fs;
+use std::io::{self, Write};
+use std::process::exit;
+
+include!("src/app.rs");
+
+fn main() {
+    match version_check::is_min_version("1.30.1") {
+        Some((true, _)) => {}
+        // rustc version too small or can't figure it out
+        _ => {
+            writeln!(&mut io::stderr(), "'lsd' requires rustc >= 1.30.1").unwrap();
+            exit(1);
+        }
+    }
+
+    let var = std::env::var_os("SHELL_COMPLETIONS_DIR").or(std::env::var_os("OUT_DIR"));
+    let outdir = match var {
+        None => return,
+        Some(outdir) => outdir,
+    };
+    fs::create_dir_all(&outdir).unwrap();
+
+    let mut app = build_app();
+    app.gen_completions("lsd", Shell::Bash, &outdir);
+    app.gen_completions("lsd", Shell::Fish, &outdir);
+    app.gen_completions("lsd", Shell::Zsh, &outdir);
+    app.gen_completions("lsd", Shell::PowerShell, &outdir);
+}

deploy/before_deploy.bash

@@ -0,0 +1,125 @@
+#!/usr/bin/env bash
+# Building and packaging for release
+
+set -ex
+
+build() {
+    cargo build --target "$TARGET" --release --verbose
+}
+
+pack() {
+    local tempdir
+    local out_dir
+    local package_name
+    local gcc_prefix
+
+    tempdir=$(mktemp -d 2>/dev/null || mktemp -d -t tmp)
+    out_dir=$(pwd)
+    package_name="$PROJECT_NAME-$TRAVIS_TAG-$TARGET"
+
+    if [[ $TARGET == arm-unknown-linux-* ]]; then
+        gcc_prefix="arm-linux-gnueabihf-"
+    else
+        gcc_prefix=""
+    fi
+
+    # create a "staging" directory
+    mkdir "$tempdir/$package_name"
+    mkdir "$tempdir/$package_name/autocomplete"
+
+    # copying the main binary
+    cp "target/$TARGET/release/$PROJECT_NAME" "$tempdir/$package_name/"
+    "${gcc_prefix}"strip "$tempdir/$package_name/$PROJECT_NAME"
+
+    # manpage, readme and license
+    cp README.md "$tempdir/$package_name"
+    c LICENSE "$tempdir/$package_name"
+
+    # various autocomplete
+    cp target/"$TARGET"/release/build/"$PROJECT_NAME"-*/out/"$PROJECT_NAME".bash "$tempdir/$package_name/autocomplete/${PROJECT_NAME}.bash-completion"
+    cp target/"$TARGET"/release/build/"$PROJECT_NAME"-*/out/"$PROJECT_NAME".fish "$tempdir/$package_name/autocomplete"
+    cp target/"$TARGET"/release/build/"$PROJECT_NAME"-*/out/_"$PROJECT_NAME" "$tempdir/$package_name/autocomplete"
+
+    # archiving
+    pushd "$tempdir"
+    tar czf "$out_dir/$package_name.tar.gz" "$package_name"/*
+    popd
+    rm -r "$tempdir"
+}
+
+make_deb() {
+    local tempdir
+    local architecture
+    local version
+    local dpkgname
+    local conflictname
+
+    case $TARGET in
+        x86_64*)
+            architecture=amd64
+            ;;
+        i686*)
+            architecture=i386
+            ;;
+        *)
+            echo "make_deb: skipping target '${TARGET}'" >&2
+            return 0
+            ;;
+    esac
+    version=${TRAVIS_TAG#v}
+    if [[ $TARGET = *musl* ]]; then
+      dpkgname=$PROJECT_NAME-musl
+      conflictname=$PROJECT_NAME
+    else
+      dpkgname=$PROJECT_NAME
+      conflictname=$PROJECT_NAME-musl
+    fi
+
+    tempdir=$(mktemp -d 2>/dev/null || mktemp -d -t tmp)
+
+    # copy the main binary
+    install -Dm755 "target/$TARGET/release/$PROJECT_NAME" "$tempdir/usr/bin/$PROJECT_NAME"
+    strip "$tempdir/usr/bin/$PROJECT_NAME"
+
+    # manpage
+    install -Dm644 "doc/$PROJECT_NAME.1" "$tempdir/usr/share/man/man1/$PROJECT_NAME.1"
+    gzip --best "$tempdir/usr/share/man/man1/$PROJECT_NAME.1"
+
+    # readme and license
+    install -Dm644 README.md "$tempdir/usr/share/doc/$PROJECT_NAME/README.md"
+    install -Dm644 LICENSE-MIT "$tempdir/usr/share/doc/$PROJECT_NAME/LICENSE-MIT"
+    install -Dm644 LICENSE-APACHE "$tempdir/usr/share/doc/$PROJECT_NAME/LICENSE-APACHE"
+
+    # completions
+    install -Dm644 target/$TARGET/release/build/$PROJECT_NAME-*/out/$PROJECT_NAME.bash "$tempdir/usr/share/bash-completion/completions/${PROJECT_NAME}"
+    install -Dm644 target/$TARGET/release/build/$PROJECT_NAME-*/out/$PROJECT_NAME.fish "$tempdir/usr/share/fish/completions/$PROJECT_NAME.fish"
+    install -Dm644 target/$TARGET/release/build/$PROJECT_NAME-*/out/_$PROJECT_NAME "$tempdir/usr/share/zsh/vendor-completions/_$PROJECT_NAME"
+
+    # Control file
+    mkdir "$tempdir/DEBIAN"
+    cat > "$tempdir/DEBIAN/control" <<EOF
+Package: $dpkgname
+Version: $version
+Section: utils
+Priority: optional
+Maintainer: David Peter <mail@david-peter.de>
+Architecture: $architecture
+Provides: $PROJECT_NAME
+Conflicts: $conflictname
+Description: Simple, fast and user-friendly alternative to find
+ While fd does not seek to mirror all of find's powerful functionality, it
+ provides sensible (opinionated) defaults for 80% of the use cases.
+EOF
+
+    fakeroot dpkg-deb --build "$tempdir" "${dpkgname}_${version}_${architecture}.deb"
+}
+
+
+main() {
+    build
+    pack
+    if [[ $TARGET = *linux* ]]; then
+      make_deb
+    fi
+}
+

src/app.rs

@@ -0,0 +1,33 @@
+use clap::{App, Arg};
+
+pub fn build_app() -> App<'static, 'static> {
+    App::new("lsd")
+        .version(crate_version!())
+        .about("An ls comment with a lot of pretty colors and some other stuff.")
+        .arg(Arg::with_name("FILE").multiple(true).default_value("."))
+        .arg(
+            Arg::with_name("all")
+                .short("a")
+                .long("all")
+                .help("Do not ignore entries starting with ."),
+        ).arg(
+            Arg::with_name("long")
+                .short("l")
+                .long("long")
+                .help("Display extended file metadata as a table"),
+        ).arg(
+            Arg::with_name("oneline")
+                .short("1")
+                .long("oneline")
+                .help("Display one entry per line"),
+        ).arg(
+            Arg::with_name("recursive")
+                .short("R")
+                .long("recursive")
+                .help("Recurse into directories"),
+        ).arg(
+            Arg::with_name("tree")
+                .long("tree")
+                .help("Recurse into directories and present the result as a tree"),
+        )
+}

src/main.rs

@@ -1,3 +1,4 @@
+#[macro_use]
 extern crate clap;
 #[macro_use]
 extern crate lazy_static;
@@ -8,6 +9,7 @@ extern crate terminal_size;
 extern crate time;
 extern crate users;
 
+mod app;
 mod batch;
 mod color;
 mod core;
@@ -15,7 +17,6 @@ mod display;
 mod icon;
 mod meta;
 
-use clap::{App, Arg};
 use core::Core;
 use std::path::PathBuf;
 
@@ -29,34 +30,7 @@ pub struct Options {
 }
 
 fn main() {
-    let matches = App::new("lsd")
+    let matches = app::build_app().get_matches();
-        .about("An ls comment with a lot of pretty colors and some other stuff.")
-        .arg(Arg::with_name("FILE").multiple(true).default_value("."))
-        .arg(
-            Arg::with_name("all")
-                .short("a")
-                .long("all")
-                .help("Do not ignore entries starting with ."),
-        ).arg(
-            Arg::with_name("long")
-                .short("l")
-                .long("long")
-                .help("Display extended file metadata as a table"),
-        ).arg(
-            Arg::with_name("oneline")
-                .short("1")
-                .long("oneline")
-                .help("Display one entry per line"),
-        ).arg(
-            Arg::with_name("recursive")
-                .short("R")
-                .long("recursive")
-                .help("Recurse into directories"),
-        ).arg(
-            Arg::with_name("tree")
-                .long("tree")
-                .help("Recurse into directories and present the result as a tree"),
-        ).get_matches();
 
     let options = Options {
         display_all: matches.is_present("all"),

src/meta/size.rs

@@ -12,20 +12,20 @@ pub enum Unit {
 
 #[derive(Debug, PartialEq, Eq)]
 pub struct Size {
-    value: usize,
+    value: i64,
     unit: Unit,
 }
 
 impl<'a> From<&'a Metadata> for Size {
     fn from(meta: &Metadata) -> Self {
-        let len = meta.len() as usize;
+        let len = meta.len();
 
-        Size::from_bytes(len)
+        Size::from_bytes(len as i64)
     }
 }
 
 impl Size {
-    fn from_bytes(len: usize) -> Self {
+    fn from_bytes(len: i64) -> Self {
         if len < 1024 {
             Size {
                 value: len * 1024,