wasm: add 21 more utilities to feat_wasm and add WASI platform stubs

.github/workflows/CICD.yml

@@ -3,9 +3,9 @@ name: CICD
 # spell-checker:ignore (abbrev/names) CACHEDIR CICD CodeCOV MacOS MinGW MSVC musl taiki
 # spell-checker:ignore (env/flags) Awarnings Ccodegen Coverflow Cpanic Dwarnings RUSTDOCFLAGS RUSTFLAGS Zpanic CARGOFLAGS CLEVEL nodocs
 # spell-checker:ignore (jargon) SHAs deps dequote softprops subshell toolchain fuzzers dedupe devel profdata
-# spell-checker:ignore (people) Peltoche rivy dtolnay Anson dawidd
+# spell-checker:ignore (people) Peltoche rivy Anson dawidd
 # spell-checker:ignore (shell/tools) binutils choco clippy dmake esac fakeroot fdesc fdescfs gmake grcov halium lcov libclang libfuse libssl limactl nextest nocross pacman popd printf pushd redoxer rsync rustc rustfmt rustup shopt sccache utmpdump xargs zstd
-# spell-checker:ignore (misc) aarch alnum armhf bindir busytest coreutils defconfig DESTDIR gecos getenforce gnueabihf issuecomment maint manpages msys multisize noconfirm nofeatures nullglob onexitbegin onexitend pell runtest Swatinem tempfile testsuite toybox uutils libsystemd codspeed wasip libexecinfo
+# spell-checker:ignore (misc) aarch alnum armhf bindir busytest coreutils defconfig DESTDIR gecos getenforce gnueabihf issuecomment maint manpages msys multisize noconfirm nofeatures nullglob onexitbegin onexitend pell runtest tempfile testsuite toybox uutils libsystemd codspeed wasip libexecinfo
 
 env:
   PROJECT_NAME: coreutils

.github/workflows/FixPR.yml

@@ -1,6 +1,6 @@
 name: FixPR
 
-# spell-checker:ignore Swatinem dtolnay dedupe
+# spell-checker:ignore dedupe
 
 # Trigger automated fixes for PRs being merged (with associated commits)
 

.github/workflows/GnuTests.yml

@@ -1,10 +1,10 @@
 name: GnuTests
 
-# spell-checker:ignore (abbrev/names) CodeCov gnulib GnuTests Swatinem
+# spell-checker:ignore (abbrev/names) CodeCov gnulib GnuTests
 # spell-checker:ignore (jargon) submodules devel
 # spell-checker:ignore (libs/utils) chksum dpkg getenforce gperf lcov libexpect limactl pyinotify setenforce shopt valgrind libattr libcap taiki-e zstd cpio
 # spell-checker:ignore (options) Ccodegen Coverflow Cpanic Zpanic
-# spell-checker:ignore (people) Dawid Dziurla * dawidd dtolnay
+# spell-checker:ignore (people) Dawid Dziurla * dawidd
 # spell-checker:ignore (vars) FILESET SUBDIRS XPASS
 # spell-checker:ignore userns nodocs
 

.github/workflows/android.yml

@@ -1,6 +1,6 @@
 name: Android
 
-# spell-checker:ignore (people) reactivecircus Swatinem dtolnay juliangruber
+# spell-checker:ignore (people) reactivecircus juliangruber
 # spell-checker:ignore (shell/tools) TERMUX nextest udevadm pkill
 # spell-checker:ignore (misc) swiftshader playstore DATALOSS noaudio
 

.github/workflows/benchmarks.yml

@@ -1,6 +1,6 @@
 name: Benchmarks
 
-# spell-checker:ignore (people) dtolnay Swatinem taiki-e
+# spell-checker:ignore (people) taiki-e
 # spell-checker:ignore (misc) codspeed sccache
 
 on:

.github/workflows/code-quality.yml

@@ -1,6 +1,6 @@
 name: Code Quality
 
-# spell-checker:ignore (people) dtolnay juliangruber pell reactivecircus Swatinem taiki-e taplo
+# spell-checker:ignore (people) juliangruber pell reactivecircus taiki-e taplo
 # spell-checker:ignore (misc) TERMUX noaudio pkill swiftshader esac sccache pcoreutils shopt subshell dequote libsystemd
 
 on:

.github/workflows/documentation.yml

@@ -1,4 +1,4 @@
-# spell-checker:ignore dtolnay libsystemd libattr libcap gsub
+# spell-checker:ignore libsystemd libattr libcap gsub
 
 name: Check uudoc Documentation Generation
 

.github/workflows/freebsd.yml

@@ -1,6 +1,6 @@
 name: FreeBSD
 
-# spell-checker:ignore sshfs usesh vmactions taiki Swatinem esac fdescfs fdesc nextest copyback logind
+# spell-checker:ignore sshfs usesh vmactions taiki esac fdescfs fdesc nextest copyback logind
 
 env:
   # * style job configuration

.github/workflows/fuzzing.yml

@@ -1,6 +1,6 @@
 name: Fuzzing
 
-# spell-checker:ignore (people) dtolnay Swatinem taiki-e
+# spell-checker:ignore (people) taiki-e
 # spell-checker:ignore (misc) fuzzer
 
 env:

.github/workflows/make.yml

@@ -5,7 +5,7 @@ name: make
 # spell-checker:ignore (jargon) deps softprops toolchain
 # spell-checker:ignore (people) dawidd
 # spell-checker:ignore (shell/tools) nextest sccache zstd
-# spell-checker:ignore (misc) bindir busytest defconfig DESTDIR manpages multisize runtest Swatinem testsuite toybox uutils
+# spell-checker:ignore (misc) bindir busytest defconfig DESTDIR manpages multisize runtest testsuite toybox uutils
 
 env:
   PROJECT_NAME: coreutils

.github/workflows/manpage-lint.yml

@@ -1,4 +1,4 @@
-# spell-checker:ignore mandoc uudoc manpages dtolnay libsystemd libattr libcap DESTDIR
+# spell-checker:ignore mandoc uudoc manpages libsystemd libattr libcap DESTDIR
 
 name: Manpage Validation
 

.github/workflows/openbsd.yml

@@ -1,6 +1,6 @@
 name: OpenBSD
 
-# spell-checker:ignore sshfs usesh vmactions taiki Swatinem esac fdescfs fdesc sccache nextest copyback logind bindgen libclang
+# spell-checker:ignore sshfs usesh vmactions taiki esac fdescfs fdesc sccache nextest copyback logind bindgen libclang
 
 env:
   # * style job configuration

.github/workflows/wasi.yml

@@ -0,0 +1,39 @@
+# spell-checker:ignore wasip wasmtime
+name: WASI
+
+# spell-checker:ignore TRIGGERPATH
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+# End the current execution if there is a new changeset in the PR.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  test_wasi:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v6
+      with:
+        persist-credentials: false
+    - uses: dtolnay/rust-toolchain@stable
+      with:
+        targets: wasm32-wasip1
+    - uses: Swatinem/rust-cache@v2
+    - name: Install wasmtime
+      run: |
+        curl https://wasmtime.dev/install.sh -sSf | bash
+        echo "$HOME/.wasmtime/bin" >> $GITHUB_PATH
+    - name: Run tests
+      env:
+        CARGO_TARGET_WASM32_WASIP1_RUNNER: wasmtime
+      run: |
+        cargo test --target wasm32-wasip1 --no-default-features -p uu_echo -p uu_cut

.vscode/cspell.dictionaries/jargon.wordlist.txt

@@ -215,6 +215,10 @@ vals
 inval
 nofield
 
+# ci
+dtolnay
+Swatinem
+
 # * clippy
 uninlined
 nonminimal

Cargo.toml

@@ -180,15 +180,18 @@ feat_Tier1 = [
 # It is bit complex to deduplicate with other lists
 feat_wasm = [
   "arch",
-  "basename",
   "base32",
   "base64",
   "basenc",
+  "basename",
   "cat",
+  "comm",
   "cp",
+  "csplit",
   "cut",
   "ls",
   "date",
+  "dir",
   "dircolors",
   "dirname",
   "echo",
@@ -197,10 +200,15 @@ feat_wasm = [
   "false",
   "fmt",
   "fold",
+  "head",
   "join",
   "link",
+  "ln",
+  "ls",
+  "mkdir",
   "mv",
   "nl",
+  "nproc",
   "numfmt",
   "od",
   "paste",
@@ -211,21 +219,30 @@ feat_wasm = [
   "printf",
   "ptx",
   "pwd",
+  "readlink",
+  "realpath",
+  "rm",
+  "rmdir",
   "seq",
+  "sort",
+  "split",
   "shred",
   "shuf",
   "sleep",
   "sort",
   "sum",
   "tail",
   "tee",
+  "touch",
   "tr",
   "true",
   "truncate",
+  "tsort",
   "uname",
   "unexpand",
   "uniq",
   "unlink",
+  "vdir",
   "wc",
   "yes",
   # cksum family

src/uu/cp/src/cp.rs

@@ -1896,17 +1896,17 @@ pub(crate) fn copy_attributes(
 fn symlink_file(
     source: &Path,
     dest: &Path,
-    symlinked_files: &mut HashSet<FileInformation>,
+    #[cfg(not(target_os = "wasi"))] symlinked_files: &mut HashSet<FileInformation>,
+    #[cfg(target_os = "wasi")] _symlinked_files: &mut HashSet<FileInformation>,
 ) -> CopyResult<()> {
     #[cfg(target_os = "wasi")]
     {
-        return Err(CpError::IoErrContext(
-            std::io::Error::new(std::io::ErrorKind::Unsupported, "symlinks not supported"),
+        Err(CpError::IoErrContext(
+            io::Error::new(io::ErrorKind::Unsupported, "symlinks not supported"),
             translate!("cp-error-cannot-create-symlink",
                        "dest" => get_filename(dest).unwrap_or("?").quote(),
                        "source" => get_filename(source).unwrap_or("?").quote()),
-        )
-        .into());
+        ))
     }
     #[cfg(not(any(windows, target_os = "wasi")))]
     {
@@ -1930,10 +1930,13 @@ fn symlink_file(
             )
         })?;
     }
-    if let Ok(file_info) = FileInformation::from_path(dest, false) {
-        symlinked_files.insert(file_info);
+    #[cfg(not(target_os = "wasi"))]
+    {
+        if let Ok(file_info) = FileInformation::from_path(dest, false) {
+            symlinked_files.insert(file_info);
+        }
+        Ok(())
     }
-    Ok(())
 }
 
 fn context_for(src: &Path, dest: &Path) -> String {

src/uu/date/src/date.rs

@@ -718,12 +718,19 @@ fn format_date_with_locale_aware_months(
 
     let broken_down = BrokenDownTime::from(date);
 
+    // When the i18n-datetime feature is enabled (default), use ICU locale-aware
+    // formatting if the locale requires it. Without the feature (e.g. wasi/wasm
+    // builds that use --no-default-features), skip localization entirely and
+    // format with the raw strftime string.
+    #[cfg(feature = "i18n-datetime")]
     let result = if !should_use_icu_locale() || skip_localization {
         broken_down.to_string_with_config(config, format_string)
     } else {
         let fmt = localize_format_string(format_string, date.date());
         broken_down.to_string_with_config(config, &fmt)
     };
+    #[cfg(not(feature = "i18n-datetime"))]
+    let result = broken_down.to_string_with_config(config, format_string);
 
     result.map_err(|e| e.to_string())
 }

src/uu/ln/src/ln.rs

@@ -488,3 +488,11 @@ pub fn symlink<P1: AsRef<Path>, P2: AsRef<Path>>(src: P1, dst: P2) -> std::io::R
         symlink_file(src, dst)
     }
 }
+
+#[cfg(target_os = "wasi")]
+fn symlink<P1: AsRef<Path>, P2: AsRef<Path>>(_src: P1, _dst: P2) -> std::io::Result<()> {
+    Err(std::io::Error::new(
+        std::io::ErrorKind::Unsupported,
+        "symlinks not supported on this platform",
+    ))
+}

src/uu/mv/src/mv.rs

@@ -929,11 +929,8 @@ fn rename_symlink_fallback(from: &Path, to: &Path) -> io::Result<()> {
 }
 
 #[cfg(target_os = "wasi")]
-fn rename_symlink_fallback(from: &Path, to: &Path) -> io::Result<()> {
-    Err(io::Error::new(
-        io::ErrorKind::Other,
-        translate!("mv-error-no-symlink-support"),
-    ))
+fn rename_symlink_fallback(_from: &Path, _to: &Path) -> io::Result<()> {
+    Err(io::Error::other(translate!("mv-error-no-symlink-support")))
 }
 
 fn rename_dir_fallback(

src/uu/sort/src/merge.rs

@@ -571,6 +571,8 @@ impl MergeInput for CompressedTmpMergeInput {
     type InnerRead = ChildStdout;
 
     fn finished_reading(self) -> UResult<()> {
+        // Explicitly close stdout before waiting on the child process.
+        #[allow(clippy::drop_non_drop)]
         drop(self.child_stdout);
         check_child_success(self.child, &self.compress_prog)?;
         let _ = fs::remove_file(self.path);

src/uu/sort/src/sort.rs

@@ -37,7 +37,9 @@ use std::ffi::{OsStr, OsString};
 use std::fs::{File, OpenOptions};
 use std::hash::{Hash, Hasher};
 use std::io::{BufRead, BufReader, BufWriter, Read, Write, stdin, stdout};
-use std::num::{IntErrorKind, NonZero};
+use std::num::IntErrorKind;
+#[cfg(not(target_os = "wasi"))]
+use std::num::NonZero;
 use std::ops::Range;
 #[cfg(unix)]
 use std::os::unix::ffi::OsStrExt;
@@ -2124,12 +2126,12 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
         settings.threads = matches
             .get_one::<String>(options::PARALLEL)
             .map_or_else(|| "0".to_string(), String::from);
-        let num_threads = match settings.threads.parse::<usize>() {
-            Ok(0) | Err(_) => std::thread::available_parallelism().map_or(1, NonZero::get),
-            Ok(n) => n,
-        };
         #[cfg(not(target_os = "wasi"))]
         {
+            let num_threads = match settings.threads.parse::<usize>() {
+                Ok(0) | Err(_) => std::thread::available_parallelism().map_or(1, NonZero::get),
+                Ok(n) => n,
+            };
             let _ = rayon::ThreadPoolBuilder::new()
                 .num_threads(num_threads)
                 .build_global();

src/uu/sort/src/tmp_dir.rs

@@ -3,9 +3,9 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "wasi")))]
 use std::path::Path;
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "wasi")))]
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::{
     fs::File,
@@ -15,7 +15,7 @@ use std::{
 
 use tempfile::TempDir;
 use uucore::error::UResult;
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "wasi")))]
 use uucore::{error::USimpleError, show_error, translate};
 
 use crate::{SortError, current_open_fd_count, fd_soft_limit};
@@ -105,6 +105,7 @@ fn ensure_signal_handler_installed(state: Arc<Mutex<HandlerRegistration>>) -> UR
 }
 
 #[cfg(any(target_os = "redox", target_os = "wasi"))]
+#[allow(clippy::unnecessary_wraps)]
 fn ensure_signal_handler_installed(_state: Arc<Mutex<HandlerRegistration>>) -> UResult<()> {
     Ok(())
 }
@@ -184,7 +185,7 @@ impl Drop for TmpDirWrapper {
 
 /// Remove the directory at `path` by deleting its child files and then itself.
 /// Errors while deleting child files are ignored.
-#[cfg(not(target_os = "redox"))]
+#[cfg(not(any(target_os = "redox", target_os = "wasi")))]
 fn remove_tmp_dir(path: &Path) -> std::io::Result<()> {
     if let Ok(read_dir) = std::fs::read_dir(path) {
         for file in read_dir.flatten() {