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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..37106a5 --- /dev/null +++ b/README.md @@ -0,0 +1,9 @@ +# yaar + +> **WARNING: This project is vibe-coded.** + +Yet another archiver. A CLI tool for creating, extracting, compressing, and inspecting archives using libarchive. + +## License + +GPL-3.0 diff --git a/build.rs b/build.rs new file mode 100644 index 0000000..e1440b6 --- /dev/null +++ b/build.rs @@ -0,0 +1,9 @@ +fn main() { + println!("cargo:rustc-link-lib=static=archive"); + println!("cargo:rustc-link-lib=static=z"); + println!("cargo:rustc-link-lib=static=bz2"); + println!("cargo:rustc-link-lib=static=lzma"); + println!("cargo:rustc-link-lib=static=zstd"); + println!("cargo:rustc-link-lib=static=lz4"); + println!("cargo:rustc-link-lib=static=xml2"); +} diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..73b1002 --- /dev/null +++ b/flake.lock @@ -0,0 +1,48 @@ +{ + "nodes": { + "nixpkgs": { + "locked": { + "lastModified": 1764521362, + "narHash": "sha256-M101xMtWdF1eSD0xhiR8nG8CXRlHmv6V+VoY65Smwf4=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "871b9fd269ff6246794583ce4ee1031e1da71895", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "25.11", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "nixpkgs": "nixpkgs", + "rust-overlay": "rust-overlay" + } + }, + "rust-overlay": { + "inputs": { + "nixpkgs": [ + "nixpkgs" + ] + }, + "locked": { + "lastModified": 1770606655, + "narHash": "sha256-rpJf+kxvLWv32ivcgu8d+JeJooog3boJCT8J3joJvvM=", + "owner": "oxalica", + "repo": "rust-overlay", + "rev": "11a396520bf911e4ed01e78e11633d3fc63b350e", + "type": "github" + }, + "original": { + "owner": "oxalica", + "repo": "rust-overlay", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..8d92471 --- /dev/null +++ b/flake.nix @@ -0,0 +1,62 @@ +{ + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/25.11"; + rust-overlay = { + url = "github:oxalica/rust-overlay"; + inputs.nixpkgs.follows = "nixpkgs"; + }; + }; + + outputs = { self, nixpkgs, rust-overlay, ... }: + let + systems = [ "x86_64-linux" "aarch64-linux" ]; + forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system); + + # All packages are built from x86_64-linux host via zig cross-compilation + pkgs = import nixpkgs { system = "x86_64-linux"; }; + + zig = import ./support/zig.nix { inherit pkgs; system = "x86_64-linux"; }; + + compileRust = import ./support/compile-rust.nix { inherit pkgs zig; }; + + mkYaar = target: + let + muslLibs = import ./support/musl-libs.nix { + inherit pkgs zig; + name-target = target; + }; + in compileRust { + inherit target; + src = self; + cargoLock = { lockFile = ./Cargo.lock; }; + extraLibs = muslLibs.allLibs; + }; + in + { + packages.x86_64-linux = { + yaar-amd64-linux = mkYaar "amd64-linux"; + yaar-arm64-linux = mkYaar "arm64-linux"; + }; + + devShells = forAllSystems (system: + let + devPkgs = import nixpkgs { + inherit system; + overlays = [ rust-overlay.overlays.default ]; + }; + rust = devPkgs.rust-bin.stable.latest.default.override { + extensions = [ "rust-src" "rust-analyzer" ]; + targets = [ "x86_64-unknown-linux-musl" ]; + }; + in + { + default = devPkgs.mkShell { + buildInputs = [ + rust + devPkgs.pkg-config + devPkgs.libarchive + ]; + }; + }); + }; +} diff --git a/src/archive.rs b/src/archive.rs new file mode 100644 index 0000000..dc99a29 --- /dev/null +++ b/src/archive.rs @@ -0,0 +1,519 @@ +use std::ffi::{CStr, CString}; +use std::path::Path; +use std::ptr; + +use anyhow::{bail, Context, Result}; +use crate::libarchive_sys::*; + +const BLOCK_SIZE: usize = 16384; + +fn check(archive: *mut archive, rc: ::std::os::raw::c_int) -> Result<()> { + if rc == ARCHIVE_OK as _ || rc == ARCHIVE_WARN as _ { + return Ok(()); + } + let msg = unsafe { + let p = archive_error_string(archive); + if p.is_null() { + "unknown archive error".to_string() + } else { + CStr::from_ptr(p).to_string_lossy().into_owned() + } + }; + bail!("{msg}"); +} + +/// Safe wrapper around libarchive's archive reader. +pub struct ArchiveReader { + raw: *mut archive, +} + +impl ArchiveReader { + pub fn raw(&self) -> *mut archive { + self.raw + } + + /// Create a new reader with all formats and filters enabled. + pub fn new_auto() -> Result { + unsafe { + let raw = archive_read_new(); + if raw.is_null() { + bail!("archive_read_new returned null"); + } + check(raw, archive_read_support_format_all(raw))?; + check(raw, archive_read_support_filter_all(raw))?; + Ok(Self { raw }) + } + } + + /// Create a reader for raw (single-stream) format with all filters. + pub fn new_raw() -> Result { + unsafe { + let raw = archive_read_new(); + if raw.is_null() { + bail!("archive_read_new returned null"); + } + check(raw, archive_read_support_format_raw(raw))?; + check(raw, archive_read_support_filter_all(raw))?; + Ok(Self { raw }) + } + } + + pub fn open_filename(&self, path: &Path, block_size: usize) -> Result<()> { + let c_path = + CString::new(path.to_str().context("non-UTF8 path")?).context("null in path")?; + unsafe { + check( + self.raw, + archive_read_open_filename(self.raw, c_path.as_ptr(), block_size), + ) + } + } + + pub fn open_memory(&self, data: &[u8]) -> Result<()> { + unsafe { + check( + self.raw, + archive_read_open_memory(self.raw, data.as_ptr() as *mut _, data.len()), + ) + } + } + + pub fn next_header(&self) -> Result> { + unsafe { + let mut entry: *mut archive_entry = ptr::null_mut(); + let rc = archive_read_next_header(self.raw, &mut entry); + if rc == ARCHIVE_EOF as _ { + return Ok(None); + } + check(self.raw, rc)?; + Ok(Some(ArchiveEntry { + raw: entry, + owned: false, + })) + } + } + + /// Read data from the current entry into a buffer. Returns bytes read, 0 at EOF. + pub fn read_data(&self, buf: &mut [u8]) -> Result { + unsafe { + let n = archive_read_data(self.raw, buf.as_mut_ptr() as *mut _, buf.len()); + if n < 0 { + check(self.raw, n as _)?; + } + Ok(n as usize) + } + } + + /// Read a data block (zero-copy). Returns None at EOF. + pub fn read_data_block(&self) -> Result> { + unsafe { + let mut buf: *const std::ffi::c_void = ptr::null(); + let mut size: usize = 0; + let mut offset: i64 = 0; + let rc = archive_read_data_block(self.raw, &mut buf, &mut size, &mut offset); + if rc == ARCHIVE_EOF as _ { + return Ok(None); + } + check(self.raw, rc)?; + Ok(Some(( + std::slice::from_raw_parts(buf as *const u8, size), + offset, + ))) + } + } + + pub fn format(&self) -> i32 { + unsafe { archive_format(self.raw) } + } + + pub fn filter_count(&self) -> i32 { + unsafe { archive_filter_count(self.raw) } + } + + pub fn filter_code(&self, index: i32) -> i32 { + unsafe { archive_filter_code(self.raw, index) } + } + + pub fn filter_name(&self, index: i32) -> Option { + unsafe { + let p = archive_filter_name(self.raw, index); + if p.is_null() { + None + } else { + Some(CStr::from_ptr(p).to_string_lossy().into_owned()) + } + } + } + + pub fn format_name(&self) -> Option { + unsafe { + let p = archive_format_name(self.raw); + if p.is_null() { + None + } else { + Some(CStr::from_ptr(p).to_string_lossy().into_owned()) + } + } + } +} + +impl Drop for ArchiveReader { + fn drop(&mut self) { + unsafe { + archive_read_free(self.raw); + } + } +} + +/// Safe wrapper around libarchive's archive writer. +pub struct ArchiveWriter { + raw: *mut archive, +} + +impl ArchiveWriter { + pub fn raw(&self) -> *mut archive { + self.raw + } + + pub fn new() -> Result { + unsafe { + let raw = archive_write_new(); + if raw.is_null() { + bail!("archive_write_new returned null"); + } + Ok(Self { raw }) + } + } + + /// Create a new writer configured for raw (single-stream) format. + pub fn new_raw() -> Result { + unsafe { + let raw = archive_write_new(); + if raw.is_null() { + bail!("archive_write_new returned null"); + } + check(raw, archive_write_set_format_raw(raw))?; + Ok(Self { raw }) + } + } + + pub fn set_format(&self, code: i32) -> Result<()> { + unsafe { check(self.raw, archive_write_set_format(self.raw, code)) } + } + + pub fn set_format_pax_restricted(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_set_format_pax_restricted(self.raw)) } + } + + pub fn set_format_zip(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_set_format_zip(self.raw)) } + } + + pub fn set_format_7zip(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_set_format_7zip(self.raw)) } + } + + pub fn set_format_ar_svr4(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_set_format_ar_svr4(self.raw)) } + } + + pub fn set_format_cpio_newc(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_set_format_cpio_newc(self.raw)) } + } + + pub fn set_format_raw(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_set_format_raw(self.raw)) } + } + + pub fn add_filter(&self, code: i32) -> Result<()> { + unsafe { check(self.raw, archive_write_add_filter(self.raw, code)) } + } + + pub fn add_filter_none(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_add_filter_none(self.raw)) } + } + + pub fn open_filename(&self, path: &Path) -> Result<()> { + let c_path = + CString::new(path.to_str().context("non-UTF8 path")?).context("null in path")?; + unsafe { check(self.raw, archive_write_open_filename(self.raw, c_path.as_ptr())) } + } + + pub fn open_stdout(&self) -> Result<()> { + // Passing null filename writes to stdout + unsafe { check(self.raw, archive_write_open_fd(self.raw, 1)) } + } + + pub fn write_header(&self, entry: &ArchiveEntry) -> Result<()> { + unsafe { check(self.raw, archive_write_header(self.raw, entry.raw)) } + } + + pub fn write_data(&self, data: &[u8]) -> Result { + unsafe { + let n = archive_write_data(self.raw, data.as_ptr() as *const _, data.len()); + if n < 0 { + check(self.raw, n as _)?; + } + Ok(n as usize) + } + } + + pub fn finish_entry(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_finish_entry(self.raw)) } + } + + pub fn close(&self) -> Result<()> { + unsafe { check(self.raw, archive_write_close(self.raw)) } + } +} + +impl Drop for ArchiveWriter { + fn drop(&mut self) { + unsafe { + archive_write_free(self.raw); + } + } +} + +/// Safe wrapper around a libarchive archive_entry. +pub struct ArchiveEntry { + raw: *mut archive_entry, + owned: bool, +} + +impl ArchiveEntry { + pub fn raw(&self) -> *mut archive_entry { + self.raw + } + + pub fn new() -> Result { + unsafe { + let raw = archive_entry_new(); + if raw.is_null() { + bail!("archive_entry_new returned null"); + } + Ok(Self { raw, owned: true }) + } + } + + pub fn pathname(&self) -> Option { + unsafe { + let p = archive_entry_pathname_utf8(self.raw); + if p.is_null() { + let p = archive_entry_pathname(self.raw); + if p.is_null() { + return None; + } + return Some(CStr::from_ptr(p).to_string_lossy().into_owned()); + } + Some(CStr::from_ptr(p).to_string_lossy().into_owned()) + } + } + + pub fn set_pathname(&self, name: &str) { + let c = CString::new(name).unwrap(); + unsafe { + archive_entry_set_pathname_utf8(self.raw, c.as_ptr()); + } + } + + pub fn size(&self) -> i64 { + unsafe { archive_entry_size(self.raw) } + } + + pub fn set_size(&self, size: i64) { + unsafe { + archive_entry_set_size(self.raw, size); + } + } + + pub fn filetype(&self) -> u32 { + unsafe { archive_entry_filetype(self.raw) as u32 } + } + + pub fn set_filetype(&self, ft: u32) { + unsafe { + archive_entry_set_filetype(self.raw, ft as _); + } + } + + pub fn perm(&self) -> u32 { + unsafe { archive_entry_perm(self.raw) as u32 } + } + + pub fn set_perm(&self, perm: u32) { + unsafe { + archive_entry_set_perm(self.raw, perm as _); + } + } + + pub fn set_mtime(&self, sec: i64, nsec: i64) { + unsafe { + archive_entry_set_mtime(self.raw, sec, nsec as _); + } + } + + pub fn set_atime(&self, sec: i64, nsec: i64) { + unsafe { + archive_entry_set_atime(self.raw, sec, nsec as _); + } + } + + pub fn set_ctime(&self, sec: i64, nsec: i64) { + unsafe { + archive_entry_set_ctime(self.raw, sec, nsec as _); + } + } + + pub fn set_uid(&self, uid: u64) { + unsafe { + archive_entry_set_uid(self.raw, uid as _); + } + } + + pub fn set_gid(&self, gid: u64) { + unsafe { + archive_entry_set_gid(self.raw, gid as _); + } + } + + pub fn set_uname(&self, name: &str) { + let c = CString::new(name).unwrap(); + unsafe { + archive_entry_set_uname_utf8(self.raw, c.as_ptr()); + } + } + + pub fn set_gname(&self, name: &str) { + let c = CString::new(name).unwrap(); + unsafe { + archive_entry_set_gname_utf8(self.raw, c.as_ptr()); + } + } + + pub fn hardlink(&self) -> Option { + unsafe { + let p = archive_entry_hardlink_utf8(self.raw); + if p.is_null() { + None + } else { + Some(CStr::from_ptr(p).to_string_lossy().into_owned()) + } + } + } + + pub fn symlink(&self) -> Option { + unsafe { + let p = archive_entry_symlink_utf8(self.raw); + if p.is_null() { + None + } else { + Some(CStr::from_ptr(p).to_string_lossy().into_owned()) + } + } + } + + pub fn clear(&self) { + unsafe { + archive_entry_clear(self.raw); + } + } + + /// Apply deterministic defaults: zero timestamps, uid/gid 0, root/root names. + pub fn make_deterministic(&self) { + self.set_mtime(0, 0); + self.set_atime(0, 0); + self.set_ctime(0, 0); + self.set_uid(0); + self.set_gid(0); + self.set_uname("root"); + self.set_gname("root"); + } +} + +impl Drop for ArchiveEntry { + fn drop(&mut self) { + if self.owned { + unsafe { + archive_entry_free(self.raw); + } + } + } +} + +/// Safe wrapper around archive_read_disk for reading files from the filesystem. +pub struct ArchiveDisk { + raw: *mut archive, +} + +impl ArchiveDisk { + pub fn raw(&self) -> *mut archive { + self.raw + } + + pub fn new() -> Result { + unsafe { + let raw = archive_read_disk_new(); + if raw.is_null() { + bail!("archive_read_disk_new returned null"); + } + check(raw, archive_read_disk_set_standard_lookup(raw))?; + Ok(Self { raw }) + } + } + + pub fn open(&self, path: &Path) -> Result<()> { + let c_path = + CString::new(path.to_str().context("non-UTF8 path")?).context("null in path")?; + unsafe { check(self.raw, archive_read_disk_open(self.raw, c_path.as_ptr())) } + } + + pub fn descend(&self) -> Result<()> { + unsafe { check(self.raw, archive_read_disk_descend(self.raw)) } + } + + pub fn next_header(&self, entry: &ArchiveEntry) -> Result { + unsafe { + let rc = archive_read_next_header2(self.raw, entry.raw()); + if rc == ARCHIVE_EOF as _ { + return Ok(false); + } + check(self.raw, rc)?; + Ok(true) + } + } +} + +impl Drop for ArchiveDisk { + fn drop(&mut self) { + unsafe { + archive_read_free(self.raw); + } + } +} + +/// Copy data from reader to writer using data blocks. +pub fn copy_data(reader: &ArchiveReader, writer: &ArchiveWriter) -> Result<()> { + let mut buf = [0u8; BLOCK_SIZE]; + loop { + let n = reader.read_data(&mut buf)?; + if n == 0 { + break; + } + writer.write_data(&buf[..n])?; + } + Ok(()) +} + +/// Create a disk writer for extracting archives to the filesystem. +pub fn disk_writer(flags: i32) -> Result { + unsafe { + let raw = archive_write_disk_new(); + if raw.is_null() { + bail!("archive_write_disk_new returned null"); + } + check(raw, archive_write_disk_set_options(raw, flags))?; + check(raw, archive_write_disk_set_standard_lookup(raw))?; + Ok(ArchiveWriter { raw }) + } +} diff --git a/src/cli.rs b/src/cli.rs new file mode 100644 index 0000000..5c052f7 --- /dev/null +++ b/src/cli.rs @@ -0,0 +1,142 @@ +use std::fmt; +use std::path::PathBuf; +use std::str::FromStr; + +use clap::{Parser, Subcommand}; + +use crate::format::{ArchiveFormat, Compression}; + +/// Output format for list and detect commands. +#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)] +pub enum OutputFormat { + #[default] + Newline, + Null, + Json, +} + +impl FromStr for OutputFormat { + type Err = String; + + fn from_str(s: &str) -> Result { + match s.to_lowercase().as_str() { + "nl" | "newline" => Ok(Self::Newline), + "0" | "null" => Ok(Self::Null), + "json" => Ok(Self::Json), + _ => Err(format!("unknown output format: {s} (expected: nl, 0, json)")), + } + } +} + +impl fmt::Display for OutputFormat { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { + Self::Newline => write!(f, "nl"), + Self::Null => write!(f, "0"), + Self::Json => write!(f, "json"), + } + } +} + +#[derive(Parser)] +#[command(name = "yaar", about = "Yet another archiver")] +pub struct Cli { + #[command(subcommand)] + pub command: Command, +} + +#[derive(Subcommand)] +pub enum Command { + /// Compress a file or stdin + Compress { + /// Compression format (gz, xz, zstd, bz2, lz4, lzma) + #[arg(short = 'f', long = "format")] + format: Option, + + /// Output file (default: stdout) + #[arg(short, long)] + output: Option, + + /// Input file (default: stdin) + file: Option, + }, + + /// Decompress a file or stdin + Decompress { + /// Output file (default: stdout) + #[arg(short, long)] + output: Option, + + /// Input file (default: stdin) + file: Option, + }, + + /// List archive entries + List { + /// Output format (nl, 0, json) + #[arg(short = 'f', long = "format", default_value = "nl")] + output_format: OutputFormat, + + /// Archive file + archive: PathBuf, + }, + + /// Print a single file from an archive to stdout + Print { + /// Archive file + archive: PathBuf, + + /// Path within the archive + path: String, + }, + + /// Extract an archive + Extract { + /// Directory to extract into + #[arg(short = 'C', long = "output-dir")] + output_dir: Option, + + /// Strip N leading path components + #[arg(long = "strip-components", alias = "strip")] + strip_components: Option, + + /// Archive file + archive: PathBuf, + }, + + /// Create an archive from files + Create { + /// Archive format (tar, zip, 7z, ar, cpio) + #[arg(short = 'f', long = "format", default_value = "tar")] + format: ArchiveFormat, + + /// Compression (none, gz, xz, zstd, bz2, lz4, lzma) + #[arg(short = 'c', long = "compression", default_value = "none")] + compression: Compression, + + /// Strip this prefix from stored paths + #[arg(long = "strip-prefix")] + strip_prefix: Option, + + /// Disable deterministic mode (preserve real timestamps/uid/gid/order) + #[arg(long = "non-det")] + non_det: bool, + + /// Output archive file + #[arg(short, long)] + output: PathBuf, + + /// Files/directories to add + files: Vec, + }, + + /// Detect archive format and compression + Detect { + /// Output format (nl, 0, json) + #[arg(short = 'f', long = "format", default_value = "nl")] + output_format: OutputFormat, + + /// File to detect + file: PathBuf, + }, +} diff --git a/src/commands/compress.rs b/src/commands/compress.rs new file mode 100644 index 0000000..cc531c2 --- /dev/null +++ b/src/commands/compress.rs @@ -0,0 +1,76 @@ +use std::io::Read; +use std::path::PathBuf; + +use anyhow::{Context, Result}; + +use crate::archive::{ArchiveEntry, ArchiveWriter}; +use crate::format::Compression; + +/// AE_IFREG: regular file type flag. +const AE_IFREG: u32 = 0o100000; + +pub fn run( + format: Option, + output: Option, + file: Option, +) -> Result<()> { + // 1. Read input data. + let data = match file { + Some(ref path) => { + std::fs::read(path) + .with_context(|| format!("failed to read input file: {}", path.display()))? + } + None => { + let mut buf = Vec::new(); + std::io::stdin() + .read_to_end(&mut buf) + .context("failed to read from stdin")?; + buf + } + }; + + // 2. Default to gzip if no format specified. + let compression = format.unwrap_or(Compression::Gzip); + + // 3. Create a raw archive writer (single stream, no archive structure). + let writer = ArchiveWriter::new_raw().context("failed to create archive writer")?; + + // 4. Add the compression filter. + writer + .add_filter(compression.filter_code()) + .context("failed to add compression filter")?; + + // 5. Open output destination. + match output { + Some(ref path) => { + writer + .open_filename(path) + .with_context(|| format!("failed to open output file: {}", path.display()))?; + } + None => { + writer + .open_stdout() + .context("failed to open stdout for writing")?; + } + } + + // 6. Create an archive entry for the data. + let entry = ArchiveEntry::new().context("failed to create archive entry")?; + entry.set_filetype(AE_IFREG); + entry.set_size(data.len() as i64); + entry.set_pathname("data"); + + // 7. Write header, data, finish entry, and close. + writer + .write_header(&entry) + .context("failed to write archive header")?; + writer + .write_data(&data) + .context("failed to write compressed data")?; + writer + .finish_entry() + .context("failed to finish archive entry")?; + writer.close().context("failed to close archive writer")?; + + Ok(()) +} diff --git a/src/commands/create.rs b/src/commands/create.rs new file mode 100644 index 0000000..a8dc510 --- /dev/null +++ b/src/commands/create.rs @@ -0,0 +1,129 @@ +use std::io::Read; +use std::path::PathBuf; + +use anyhow::{Context, Result}; + +use crate::archive::{ArchiveDisk, ArchiveEntry, ArchiveWriter}; +use crate::format::{ArchiveFormat, Compression}; + +/// AE_IFDIR: directory file type flag. +const AE_IFDIR: u32 = 0o40000; + +/// AE_IFREG: regular file type flag. +const AE_IFREG: u32 = 0o100000; + +pub fn run( + format: ArchiveFormat, + compression: Compression, + strip_prefix: Option, + non_det: bool, + output: PathBuf, + files: Vec, +) -> Result<()> { + // 1. Collect all file paths. + let mut paths: Vec = Vec::new(); + + for input in &files { + if input.is_dir() { + let disk = ArchiveDisk::new().context("failed to create disk reader")?; + let entry = ArchiveEntry::new().context("failed to create archive entry")?; + disk.open(input) + .with_context(|| format!("failed to open directory: {}", input.display()))?; + loop { + if !disk.next_header(&entry)? { + break; + } + if entry.filetype() == AE_IFDIR { + let _ = disk.descend(); + } + if let Some(pathname) = entry.pathname() { + paths.push(pathname); + } + entry.clear(); + } + } else { + paths.push( + input + .to_str() + .context("non-UTF8 path")? + .to_string(), + ); + } + } + + // 2. Sort for determinism (unless non_det is true). + if !non_det { + paths.sort(); + } + + // 3. Create writer. + let writer = ArchiveWriter::new().context("failed to create archive writer")?; + format + .apply_to_writer(&writer) + .context("failed to set archive format")?; + writer + .add_filter(compression.filter_code()) + .context("failed to add compression filter")?; + writer + .open_filename(&output) + .with_context(|| format!("failed to open output file: {}", output.display()))?; + + // 4. Add each file. + for path in &paths { + let disk = ArchiveDisk::new().context("failed to create disk reader")?; + let entry = ArchiveEntry::new().context("failed to create archive entry")?; + + disk.open(path.as_ref()) + .with_context(|| format!("failed to open: {path}"))?; + disk.next_header(&entry) + .with_context(|| format!("failed to read header for: {path}"))?; + + // Apply strip_prefix. + if let Some(ref prefix) = strip_prefix { + if let Some(pathname) = entry.pathname() { + if let Some(stripped) = pathname.strip_prefix(prefix) { + let stripped = stripped.trim_start_matches('/'); + let stripped = if stripped.is_empty() { "." } else { stripped }; + entry.set_pathname(stripped); + } + } + } + + // Make deterministic if requested. + if !non_det { + entry.make_deterministic(); + } + + // Write header. + writer + .write_header(&entry) + .with_context(|| format!("failed to write header for: {path}"))?; + + // If regular file, copy file data. + if entry.filetype() == AE_IFREG { + let mut file = std::fs::File::open(path) + .with_context(|| format!("failed to open file for reading: {path}"))?; + let mut buf = [0u8; 16384]; + loop { + let n = file + .read(&mut buf) + .with_context(|| format!("failed to read file: {path}"))?; + if n == 0 { + break; + } + writer + .write_data(&buf[..n]) + .with_context(|| format!("failed to write data for: {path}"))?; + } + } + + writer + .finish_entry() + .with_context(|| format!("failed to finish entry for: {path}"))?; + } + + // 5. Close the writer. + writer.close().context("failed to close archive writer")?; + + Ok(()) +} diff --git a/src/commands/decompress.rs b/src/commands/decompress.rs new file mode 100644 index 0000000..bb053b9 --- /dev/null +++ b/src/commands/decompress.rs @@ -0,0 +1,55 @@ +use std::fs::File; +use std::io::{self, Read, Write}; +use std::path::PathBuf; + +use anyhow::{Context, Result}; + +use crate::archive::ArchiveReader; + +pub fn run(output: Option, file: Option) -> Result<()> { + let reader = ArchiveReader::new_raw()?; + + let stdin_data; + if let Some(ref path) = file { + reader + .open_filename(path, 16384) + .with_context(|| format!("failed to open {}", path.display()))?; + } else { + stdin_data = { + let mut buf = Vec::new(); + io::stdin() + .read_to_end(&mut buf) + .context("failed to read stdin")?; + buf + }; + reader + .open_memory(&stdin_data) + .context("failed to open stdin data")?; + } + + reader + .next_header() + .context("failed to read header")? + .context("no entry found in input")?; + + let mut out: Box = if let Some(ref path) = output { + Box::new( + File::create(path) + .with_context(|| format!("failed to create {}", path.display()))?, + ) + } else { + Box::new(io::stdout().lock()) + }; + + let mut buf = [0u8; 16384]; + loop { + let n = reader.read_data(&mut buf)?; + if n == 0 { + break; + } + out.write_all(&buf[..n]) + .context("failed to write output")?; + } + + Ok(()) +} diff --git a/src/commands/detect.rs b/src/commands/detect.rs new file mode 100644 index 0000000..6e56a99 --- /dev/null +++ b/src/commands/detect.rs @@ -0,0 +1,64 @@ +use std::io::Write; +use std::path::PathBuf; + +use anyhow::Result; + +use crate::cli::OutputFormat; + +pub fn run(output_format: OutputFormat, file: PathBuf) -> Result<()> { + let result = crate::detect::detect_file(&file)?; + let mut stdout = std::io::stdout().lock(); + + let filters: Vec<&str> = result + .filters + .iter() + .filter(|(code, _)| *code != crate::libarchive_sys::ARCHIVE_FILTER_NONE as i32) + .map(|(_, name)| name.as_str()) + .collect(); + + match output_format { + OutputFormat::Json => { + stdout.write_all(b"{\"format\":")?; + write_json_string(&mut stdout, &result.format_name)?; + stdout.write_all(b",\"filters\":[")?; + for (i, f) in filters.iter().enumerate() { + if i > 0 { + stdout.write_all(b",")?; + } + write_json_string(&mut stdout, f)?; + } + stdout.write_all(b"]}\n")?; + } + _ => { + let sep = if output_format == OutputFormat::Null { + '\0' + } else { + '\n' + }; + write!(stdout, "format: {}{sep}", result.format_name)?; + for f in &filters { + write!(stdout, "filter: {f}{sep}")?; + } + } + } + + stdout.flush()?; + Ok(()) +} + +fn write_json_string(w: &mut impl Write, s: &str) -> std::io::Result<()> { + w.write_all(b"\"")?; + for ch in s.chars() { + match ch { + '"' => w.write_all(b"\\\"")?, + '\\' => w.write_all(b"\\\\")?, + '\n' => w.write_all(b"\\n")?, + '\r' => w.write_all(b"\\r")?, + '\t' => w.write_all(b"\\t")?, + c if c.is_control() => write!(w, "\\u{:04x}", c as u32)?, + c => write!(w, "{c}")?, + } + } + w.write_all(b"\"")?; + Ok(()) +} diff --git a/src/commands/extract.rs b/src/commands/extract.rs new file mode 100644 index 0000000..ad13e3b --- /dev/null +++ b/src/commands/extract.rs @@ -0,0 +1,66 @@ +use std::path::{Path, PathBuf}; + +use anyhow::{Context, Result}; +use crate::libarchive_sys::*; + +use crate::archive::{copy_data, disk_writer, ArchiveReader}; + +pub fn run(output_dir: Option, strip_components: Option, archive: PathBuf) -> Result<()> { + // Canonicalize the archive path before potentially changing the working directory. + let archive = archive + .canonicalize() + .with_context(|| format!("failed to canonicalize path: {}", archive.display()))?; + + if let Some(ref dir) = output_dir { + std::fs::create_dir_all(dir) + .with_context(|| format!("failed to create output directory: {}", dir.display()))?; + std::env::set_current_dir(dir) + .with_context(|| format!("failed to change directory to: {}", dir.display()))?; + } + + let reader = ArchiveReader::new_auto()?; + reader.open_filename(&archive, 10240)?; + + let flags = ARCHIVE_EXTRACT_TIME + | ARCHIVE_EXTRACT_PERM + | ARCHIVE_EXTRACT_ACL + | ARCHIVE_EXTRACT_FFLAGS + | ARCHIVE_EXTRACT_SECURE_SYMLINKS + | ARCHIVE_EXTRACT_SECURE_NODOTDOT + | ARCHIVE_EXTRACT_SECURE_NOABSOLUTEPATHS; + + let writer = disk_writer(flags as i32)?; + + while let Some(entry) = reader.next_header()? { + let pathname = match entry.pathname() { + Some(p) => p, + None => continue, + }; + + if let Some(n) = strip_components { + let path = Path::new(&pathname); + let components: Vec<_> = path.components().skip(n).collect(); + if components.is_empty() { + continue; + } + let new_path: PathBuf = components.iter().collect(); + let new_path_str = new_path.to_string_lossy(); + if new_path_str.is_empty() { + continue; + } + entry.set_pathname(&new_path_str); + } + + writer.write_header(&entry)?; + + if entry.size() > 0 { + copy_data(&reader, &writer)?; + } + + writer.finish_entry()?; + } + + writer.close()?; + + Ok(()) +} diff --git a/src/commands/list.rs b/src/commands/list.rs new file mode 100644 index 0000000..6d69a67 --- /dev/null +++ b/src/commands/list.rs @@ -0,0 +1,67 @@ +use std::io::Write; +use std::path::PathBuf; + +use anyhow::Result; + +use crate::archive::ArchiveReader; +use crate::cli::OutputFormat; + +pub fn run(output_format: OutputFormat, archive: PathBuf) -> Result<()> { + let reader = ArchiveReader::new_auto()?; + reader.open_filename(&archive, 10240)?; + + let mut stdout = std::io::stdout().lock(); + + match output_format { + OutputFormat::Json => { + let mut entries = Vec::new(); + while let Some(entry) = reader.next_header()? { + if let Some(pathname) = entry.pathname() { + entries.push(pathname); + } + } + // Write JSON array manually to avoid serde dependency + stdout.write_all(b"[")?; + for (i, entry) in entries.iter().enumerate() { + if i > 0 { + stdout.write_all(b",")?; + } + write_json_string(&mut stdout, entry)?; + } + stdout.write_all(b"]\n")?; + } + _ => { + let separator = if output_format == OutputFormat::Null { + b'\0' + } else { + b'\n' + }; + while let Some(entry) = reader.next_header()? { + if let Some(pathname) = entry.pathname() { + stdout.write_all(pathname.as_bytes())?; + stdout.write_all(&[separator])?; + } + } + } + } + + stdout.flush()?; + Ok(()) +} + +fn write_json_string(w: &mut impl Write, s: &str) -> std::io::Result<()> { + w.write_all(b"\"")?; + for ch in s.chars() { + match ch { + '"' => w.write_all(b"\\\"")?, + '\\' => w.write_all(b"\\\\")?, + '\n' => w.write_all(b"\\n")?, + '\r' => w.write_all(b"\\r")?, + '\t' => w.write_all(b"\\t")?, + c if c.is_control() => write!(w, "\\u{:04x}", c as u32)?, + c => write!(w, "{c}")?, + } + } + w.write_all(b"\"")?; + Ok(()) +} diff --git a/src/commands/mod.rs b/src/commands/mod.rs new file mode 100644 index 0000000..be9dc26 --- /dev/null +++ b/src/commands/mod.rs @@ -0,0 +1,7 @@ +pub mod compress; +pub mod create; +pub mod decompress; +pub mod detect; +pub mod extract; +pub mod list; +pub mod print; diff --git a/src/commands/print.rs b/src/commands/print.rs new file mode 100644 index 0000000..df918bd --- /dev/null +++ b/src/commands/print.rs @@ -0,0 +1,34 @@ +use std::io::Write; +use std::path::PathBuf; + +use anyhow::{bail, Result}; + +use crate::archive::ArchiveReader; + +pub fn run(archive: PathBuf, path: String) -> Result<()> { + let reader = ArchiveReader::new_auto()?; + reader.open_filename(&archive, 10240)?; + + let needle = path.trim_end_matches('/'); + + while let Some(entry) = reader.next_header()? { + if let Some(pathname) = entry.pathname() { + let entry_name = pathname.trim_end_matches('/'); + if entry_name == needle || pathname == path { + let mut stdout = std::io::stdout().lock(); + let mut buf = [0u8; 16384]; + loop { + let n = reader.read_data(&mut buf)?; + if n == 0 { + break; + } + stdout.write_all(&buf[..n])?; + } + stdout.flush()?; + return Ok(()); + } + } + } + + bail!("entry not found: {path}"); +} diff --git a/src/detect.rs b/src/detect.rs new file mode 100644 index 0000000..822f647 --- /dev/null +++ b/src/detect.rs @@ -0,0 +1,58 @@ +use std::path::Path; + +use anyhow::{Context, Result}; + +use crate::archive::ArchiveReader; +use crate::format::{ArchiveFormat, Compression}; + +pub struct DetectResult { + pub format_code: i32, + pub format_name: String, + pub filters: Vec<(i32, String)>, +} + +impl DetectResult { + pub fn archive_format(&self) -> Option { + ArchiveFormat::from_code(self.format_code) + } + + pub fn compression(&self) -> Option { + // The outermost non-none filter is the compression + for &(code, _) in &self.filters { + let comp = Compression::from_code(code); + if comp.is_some() && comp != Some(Compression::None) { + return comp; + } + } + Some(Compression::None) + } +} + +/// Detect the format and compression of a file using libarchive. +pub fn detect_file(path: &Path) -> Result { + let reader = ArchiveReader::new_auto()?; + reader + .open_filename(path, 10240) + .context("failed to open file for detection")?; + + // Read the first header to trigger format detection + let _ = reader.next_header()?; + + let format_code = reader.format(); + let format_name = ArchiveFormat::name_from_code(format_code).to_string(); + + let mut filters = Vec::new(); + let count = reader.filter_count(); + // Filter 0 is the format itself, filters 1..n are compression filters + for i in 0..count { + let code = reader.filter_code(i); + let name = Compression::name_from_code(code).to_string(); + filters.push((code, name)); + } + + Ok(DetectResult { + format_code, + format_name, + filters, + }) +} diff --git a/src/format.rs b/src/format.rs new file mode 100644 index 0000000..8d668c8 --- /dev/null +++ b/src/format.rs @@ -0,0 +1,185 @@ +use std::fmt; +use std::str::FromStr; + +use crate::libarchive_sys::*; + +/// Supported archive formats for writing. +#[derive(Debug, Clone, Copy, PartialEq, Eq)] +pub enum ArchiveFormat { + Tar, + Zip, + SevenZip, + Ar, + Cpio, +} + +impl ArchiveFormat { + /// Apply this format to an archive writer. + pub fn apply_to_writer(&self, writer: &crate::archive::ArchiveWriter) -> anyhow::Result<()> { + match self { + Self::Tar => writer.set_format_pax_restricted(), + Self::Zip => writer.set_format_zip(), + Self::SevenZip => writer.set_format_7zip(), + Self::Ar => writer.set_format_ar_svr4(), + Self::Cpio => writer.set_format_cpio_newc(), + } + } + + /// Try to identify format from a libarchive format code. + pub fn from_code(code: i32) -> Option { + let base = code & ARCHIVE_FORMAT_BASE_MASK as i32; + match base as u32 { + ARCHIVE_FORMAT_TAR => Some(Self::Tar), + ARCHIVE_FORMAT_ZIP => Some(Self::Zip), + ARCHIVE_FORMAT_7ZIP => Some(Self::SevenZip), + ARCHIVE_FORMAT_AR => Some(Self::Ar), + ARCHIVE_FORMAT_CPIO => Some(Self::Cpio), + _ => None, + } + } + + /// Human-readable name for a libarchive format code (including read-only formats). + pub fn name_from_code(code: i32) -> &'static str { + let base = code & ARCHIVE_FORMAT_BASE_MASK as i32; + match base as u32 { + ARCHIVE_FORMAT_TAR => "tar", + ARCHIVE_FORMAT_ZIP => "zip", + ARCHIVE_FORMAT_7ZIP => "7zip", + ARCHIVE_FORMAT_AR => "ar", + ARCHIVE_FORMAT_CPIO => "cpio", + ARCHIVE_FORMAT_RAR => "rar", + ARCHIVE_FORMAT_RAR_V5 => "rar5", + ARCHIVE_FORMAT_CAB => "cab", + ARCHIVE_FORMAT_LHA => "lha", + ARCHIVE_FORMAT_ISO9660 => "iso9660", + ARCHIVE_FORMAT_XAR => "xar", + ARCHIVE_FORMAT_MTREE => "mtree", + ARCHIVE_FORMAT_RAW => "raw", + ARCHIVE_FORMAT_WARC => "warc", + ARCHIVE_FORMAT_EMPTY => "empty", + _ => "unknown", + } + } +} + +impl FromStr for ArchiveFormat { + type Err = String; + + fn from_str(s: &str) -> Result { + match s.to_lowercase().as_str() { + "tar" => Ok(Self::Tar), + "zip" => Ok(Self::Zip), + "7z" | "7zip" => Ok(Self::SevenZip), + "ar" => Ok(Self::Ar), + "cpio" => Ok(Self::Cpio), + _ => Err(format!("unknown format: {s} (expected: tar, zip, 7z, ar, cpio)")), + } + } +} + +impl fmt::Display for ArchiveFormat { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { + Self::Tar => write!(f, "tar"), + Self::Zip => write!(f, "zip"), + Self::SevenZip => write!(f, "7z"), + Self::Ar => write!(f, "ar"), + Self::Cpio => write!(f, "cpio"), + } + } +} + +/// Supported compression filters. +#[derive(Debug, Clone, Copy, PartialEq, Eq)] +pub enum Compression { + None, + Gzip, + Xz, + Zstd, + Bzip2, + Lz4, + Lzma, +} + +impl Compression { + /// Get the libarchive filter code. + pub fn filter_code(&self) -> i32 { + match self { + Self::None => ARCHIVE_FILTER_NONE as _, + Self::Gzip => ARCHIVE_FILTER_GZIP as _, + Self::Xz => ARCHIVE_FILTER_XZ as _, + Self::Zstd => ARCHIVE_FILTER_ZSTD as _, + Self::Bzip2 => ARCHIVE_FILTER_BZIP2 as _, + Self::Lz4 => ARCHIVE_FILTER_LZ4 as _, + Self::Lzma => ARCHIVE_FILTER_LZMA as _, + } + } + + /// Try to identify compression from a libarchive filter code. + pub fn from_code(code: i32) -> Option { + match code as u32 { + ARCHIVE_FILTER_NONE => Some(Self::None), + ARCHIVE_FILTER_GZIP => Some(Self::Gzip), + ARCHIVE_FILTER_XZ => Some(Self::Xz), + ARCHIVE_FILTER_ZSTD => Some(Self::Zstd), + ARCHIVE_FILTER_BZIP2 => Some(Self::Bzip2), + ARCHIVE_FILTER_LZ4 => Some(Self::Lz4), + ARCHIVE_FILTER_LZMA => Some(Self::Lzma), + _ => None, + } + } + + /// Human-readable name for a libarchive filter code. + pub fn name_from_code(code: i32) -> &'static str { + match code as u32 { + ARCHIVE_FILTER_NONE => "none", + ARCHIVE_FILTER_GZIP => "gzip", + ARCHIVE_FILTER_BZIP2 => "bzip2", + ARCHIVE_FILTER_COMPRESS => "compress", + ARCHIVE_FILTER_LZMA => "lzma", + ARCHIVE_FILTER_XZ => "xz", + ARCHIVE_FILTER_LZ4 => "lz4", + ARCHIVE_FILTER_ZSTD => "zstd", + ARCHIVE_FILTER_LZIP => "lzip", + ARCHIVE_FILTER_LRZIP => "lrzip", + ARCHIVE_FILTER_LZOP => "lzop", + ARCHIVE_FILTER_GRZIP => "grzip", + ARCHIVE_FILTER_UU => "uu", + ARCHIVE_FILTER_RPM => "rpm", + _ => "unknown", + } + } +} + +impl FromStr for Compression { + type Err = String; + + fn from_str(s: &str) -> Result { + match s.to_lowercase().as_str() { + "none" => Ok(Self::None), + "gz" | "gzip" => Ok(Self::Gzip), + "xz" => Ok(Self::Xz), + "zstd" | "zst" => Ok(Self::Zstd), + "bz2" | "bzip2" => Ok(Self::Bzip2), + "lz4" => Ok(Self::Lz4), + "lzma" => Ok(Self::Lzma), + _ => Err(format!( + "unknown compression: {s} (expected: none, gz, xz, zstd, bz2, lz4, lzma)" + )), + } + } +} + +impl fmt::Display for Compression { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { + Self::None => write!(f, "none"), + Self::Gzip => write!(f, "gz"), + Self::Xz => write!(f, "xz"), + Self::Zstd => write!(f, "zstd"), + Self::Bzip2 => write!(f, "bz2"), + Self::Lz4 => write!(f, "lz4"), + Self::Lzma => write!(f, "lzma"), + } + } +} diff --git a/src/libarchive_sys.rs b/src/libarchive_sys.rs new file mode 100644 index 0000000..4f49155 --- /dev/null +++ b/src/libarchive_sys.rs @@ -0,0 +1,143 @@ +#![allow(non_camel_case_types, dead_code)] + +use std::os::raw::{c_char, c_int, c_long, c_void}; + +// Opaque types +#[repr(C)] +pub struct archive { + _opaque: [u8; 0], +} + +#[repr(C)] +pub struct archive_entry { + _opaque: [u8; 0], +} + +// Return codes +pub const ARCHIVE_EOF: c_int = 1; +pub const ARCHIVE_OK: c_int = 0; +pub const ARCHIVE_WARN: c_int = -20; + +// Format codes +pub const ARCHIVE_FORMAT_BASE_MASK: u32 = 0xff0000; +pub const ARCHIVE_FORMAT_CPIO: u32 = 0x10000; +pub const ARCHIVE_FORMAT_TAR: u32 = 0x30000; +pub const ARCHIVE_FORMAT_ISO9660: u32 = 0x40000; +pub const ARCHIVE_FORMAT_ZIP: u32 = 0x50000; +pub const ARCHIVE_FORMAT_EMPTY: u32 = 0x60000; +pub const ARCHIVE_FORMAT_AR: u32 = 0x70000; +pub const ARCHIVE_FORMAT_MTREE: u32 = 0x80000; +pub const ARCHIVE_FORMAT_RAW: u32 = 0x90000; +pub const ARCHIVE_FORMAT_XAR: u32 = 0xA0000; +pub const ARCHIVE_FORMAT_LHA: u32 = 0xB0000; +pub const ARCHIVE_FORMAT_CAB: u32 = 0xC0000; +pub const ARCHIVE_FORMAT_RAR: u32 = 0xD0000; +pub const ARCHIVE_FORMAT_7ZIP: u32 = 0xE0000; +pub const ARCHIVE_FORMAT_WARC: u32 = 0xF0000; +pub const ARCHIVE_FORMAT_RAR_V5: u32 = 0x100000; + +// Filter codes +pub const ARCHIVE_FILTER_NONE: u32 = 0; +pub const ARCHIVE_FILTER_GZIP: u32 = 1; +pub const ARCHIVE_FILTER_BZIP2: u32 = 2; +pub const ARCHIVE_FILTER_COMPRESS: u32 = 3; +pub const ARCHIVE_FILTER_LZMA: u32 = 5; +pub const ARCHIVE_FILTER_XZ: u32 = 6; +pub const ARCHIVE_FILTER_UU: u32 = 7; +pub const ARCHIVE_FILTER_RPM: u32 = 8; +pub const ARCHIVE_FILTER_LZIP: u32 = 9; +pub const ARCHIVE_FILTER_LRZIP: u32 = 10; +pub const ARCHIVE_FILTER_LZOP: u32 = 11; +pub const ARCHIVE_FILTER_GRZIP: u32 = 12; +pub const ARCHIVE_FILTER_LZ4: u32 = 13; +pub const ARCHIVE_FILTER_ZSTD: u32 = 14; + +// Extract flags +pub const ARCHIVE_EXTRACT_TIME: u32 = 0x0004; +pub const ARCHIVE_EXTRACT_PERM: u32 = 0x0002; +pub const ARCHIVE_EXTRACT_ACL: u32 = 0x0020; +pub const ARCHIVE_EXTRACT_FFLAGS: u32 = 0x0040; +pub const ARCHIVE_EXTRACT_SECURE_SYMLINKS: u32 = 0x0100; +pub const ARCHIVE_EXTRACT_SECURE_NODOTDOT: u32 = 0x0200; +pub const ARCHIVE_EXTRACT_SECURE_NOABSOLUTEPATHS: u32 = 0x10000; + +// File type constants (from POSIX stat) +pub const AE_IFREG: u32 = 0o100000; +pub const AE_IFDIR: u32 = 0o040000; +pub const AE_IFLNK: u32 = 0o120000; + +unsafe extern "C" { + // Reader + pub fn archive_read_new() -> *mut archive; + pub fn archive_read_free(a: *mut archive) -> c_int; + pub fn archive_read_support_format_all(a: *mut archive) -> c_int; + pub fn archive_read_support_format_raw(a: *mut archive) -> c_int; + pub fn archive_read_support_filter_all(a: *mut archive) -> c_int; + pub fn archive_read_open_filename(a: *mut archive, filename: *const c_char, block_size: usize) -> c_int; + pub fn archive_read_open_memory(a: *mut archive, buff: *const c_void, size: usize) -> c_int; + pub fn archive_read_next_header(a: *mut archive, entry: *mut *mut archive_entry) -> c_int; + pub fn archive_read_next_header2(a: *mut archive, entry: *mut archive_entry) -> c_int; + pub fn archive_read_data(a: *mut archive, buff: *mut c_void, size: usize) -> isize; + pub fn archive_read_data_block(a: *mut archive, buff: *mut *const c_void, size: *mut usize, offset: *mut i64) -> c_int; + + // Writer + pub fn archive_write_new() -> *mut archive; + pub fn archive_write_free(a: *mut archive) -> c_int; + pub fn archive_write_set_format(a: *mut archive, format_code: c_int) -> c_int; + pub fn archive_write_set_format_raw(a: *mut archive) -> c_int; + pub fn archive_write_set_format_pax_restricted(a: *mut archive) -> c_int; + pub fn archive_write_set_format_zip(a: *mut archive) -> c_int; + pub fn archive_write_set_format_7zip(a: *mut archive) -> c_int; + pub fn archive_write_set_format_ar_svr4(a: *mut archive) -> c_int; + pub fn archive_write_set_format_cpio_newc(a: *mut archive) -> c_int; + pub fn archive_write_add_filter(a: *mut archive, filter_code: c_int) -> c_int; + pub fn archive_write_add_filter_none(a: *mut archive) -> c_int; + pub fn archive_write_open_filename(a: *mut archive, filename: *const c_char) -> c_int; + pub fn archive_write_open_fd(a: *mut archive, fd: c_int) -> c_int; + pub fn archive_write_header(a: *mut archive, entry: *mut archive_entry) -> c_int; + pub fn archive_write_data(a: *mut archive, data: *const c_void, size: usize) -> isize; + pub fn archive_write_finish_entry(a: *mut archive) -> c_int; + pub fn archive_write_close(a: *mut archive) -> c_int; + + // Disk reader + pub fn archive_read_disk_new() -> *mut archive; + pub fn archive_read_disk_set_standard_lookup(a: *mut archive) -> c_int; + pub fn archive_read_disk_open(a: *mut archive, path: *const c_char) -> c_int; + pub fn archive_read_disk_descend(a: *mut archive) -> c_int; + + // Disk writer + pub fn archive_write_disk_new() -> *mut archive; + pub fn archive_write_disk_set_options(a: *mut archive, flags: c_int) -> c_int; + pub fn archive_write_disk_set_standard_lookup(a: *mut archive) -> c_int; + + // Entry + pub fn archive_entry_new() -> *mut archive_entry; + pub fn archive_entry_free(entry: *mut archive_entry); + pub fn archive_entry_clear(entry: *mut archive_entry) -> *mut archive_entry; + pub fn archive_entry_pathname(entry: *mut archive_entry) -> *const c_char; + pub fn archive_entry_pathname_utf8(entry: *mut archive_entry) -> *const c_char; + pub fn archive_entry_set_pathname_utf8(entry: *mut archive_entry, name: *const c_char); + pub fn archive_entry_size(entry: *mut archive_entry) -> i64; + pub fn archive_entry_set_size(entry: *mut archive_entry, size: i64); + pub fn archive_entry_filetype(entry: *mut archive_entry) -> c_int; + pub fn archive_entry_set_filetype(entry: *mut archive_entry, ftype: c_int); + pub fn archive_entry_perm(entry: *mut archive_entry) -> c_int; + pub fn archive_entry_set_perm(entry: *mut archive_entry, perm: c_int); + pub fn archive_entry_set_mtime(entry: *mut archive_entry, sec: i64, nsec: c_long); + pub fn archive_entry_set_atime(entry: *mut archive_entry, sec: i64, nsec: c_long); + pub fn archive_entry_set_ctime(entry: *mut archive_entry, sec: i64, nsec: c_long); + pub fn archive_entry_set_uid(entry: *mut archive_entry, uid: i64); + pub fn archive_entry_set_gid(entry: *mut archive_entry, gid: i64); + pub fn archive_entry_set_uname_utf8(entry: *mut archive_entry, name: *const c_char); + pub fn archive_entry_set_gname_utf8(entry: *mut archive_entry, name: *const c_char); + pub fn archive_entry_hardlink_utf8(entry: *mut archive_entry) -> *const c_char; + pub fn archive_entry_symlink_utf8(entry: *mut archive_entry) -> *const c_char; + + // Metadata + pub fn archive_format(a: *mut archive) -> c_int; + pub fn archive_filter_count(a: *mut archive) -> c_int; + pub fn archive_filter_code(a: *mut archive, index: c_int) -> c_int; + pub fn archive_filter_name(a: *mut archive, index: c_int) -> *const c_char; + pub fn archive_format_name(a: *mut archive) -> *const c_char; + pub fn archive_error_string(a: *mut archive) -> *const c_char; +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..48dab47 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,52 @@ +mod archive; +mod cli; +mod commands; +mod detect; +mod format; +mod libarchive_sys; + +use anyhow::Result; +use clap::Parser; + +use cli::{Cli, Command}; + +fn main() -> Result<()> { + let cli = Cli::parse(); + + match cli.command { + Command::Compress { + format, + output, + file, + } => commands::compress::run(format, output, file), + + Command::Decompress { output, file } => commands::decompress::run(output, file), + + Command::List { + output_format, + archive, + } => commands::list::run(output_format, archive), + + Command::Print { archive, path } => commands::print::run(archive, path), + + Command::Extract { + output_dir, + strip_components, + archive, + } => commands::extract::run(output_dir, strip_components, archive), + + Command::Create { + format, + compression, + strip_prefix, + non_det, + output, + files, + } => commands::create::run(format, compression, strip_prefix, non_det, output, files), + + Command::Detect { + output_format, + file, + } => commands::detect::run(output_format, file), + } +} diff --git a/support/compile-rust.nix b/support/compile-rust.nix new file mode 100644 index 0000000..d17f657 --- /dev/null +++ b/support/compile-rust.nix @@ -0,0 +1,68 @@ +{ pkgs +, zig +, ... +}: +{ target +, cargoLock +, src +, extraLibs +, ... +}: +let + importCargoLock = pkgs.rustPlatform.importCargoLock; + cargoSetupHook = pkgs.rustPlatform.cargoSetupHook; + stdenv = pkgs.stdenv; + + targetAsRust = { + amd64-linux = "x86_64-unknown-linux-musl"; + arm64-linux = "aarch64-unknown-linux-musl"; + }.${target}; + + rust-pkg = import ./rust.nix { inherit pkgs zig; system = "x86_64-linux"; }; + + libPaths = map (x: "${x}/lib") extraLibs; +in +stdenv.mkDerivation { + name = "yaar-${target}"; + + inherit src; + + cargoDeps = importCargoLock cargoLock; + + RUSTFLAGS = + "-C link-self-contained=no " + + builtins.concatStringsSep " " (map (p: "-L ${p}") libPaths); + + hardeningDisable = ["all"]; + + nativeBuildInputs = [ + cargoSetupHook + rust-pkg + zig + pkgs.glibc + ]; + + configurePhase = '' + runHook preConfigure + runHook postConfigure + ''; + + doCheck = false; + strictDeps = true; + + buildPhase = '' + runHook preBuild + + echo "RUSTFLAGS=$RUSTFLAGS" + echo cargo build --target ${targetAsRust} -j $NIX_BUILD_CORES --offline --release + cargo build --target ${targetAsRust} -j $NIX_BUILD_CORES --offline --release + + runHook postBuild + ''; + + installPhase = '' + cp target/${targetAsRust}/release/yaar "$out" + ''; + + dontFixup = true; +} diff --git a/support/lib-bzip2.nix b/support/lib-bzip2.nix new file mode 100644 index 0000000..eb0a3a7 --- /dev/null +++ b/support/lib-bzip2.nix @@ -0,0 +1,14 @@ +{ mkMuslLib, pkgs, zigCC, zigAR, zigRANLIB, ... }: +mkMuslLib { + pname = "bzip2-musl-static"; + src = pkgs.bzip2.src; + dontConfigure = true; + buildPhase = '' + make -j$NIX_BUILD_CORES CC="${zigCC}" AR="${zigAR}" RANLIB="${zigRANLIB}" libbz2.a + ''; + installPhase = '' + mkdir -p $out/lib $out/include + cp libbz2.a $out/lib/ + cp bzlib.h $out/include/ + ''; +} diff --git a/support/lib-libarchive.nix b/support/lib-libarchive.nix new file mode 100644 index 0000000..e75e2d4 --- /dev/null +++ b/support/lib-libarchive.nix @@ -0,0 +1,53 @@ +{ mkMuslLib, pkgs, zigCC, zigAR, zigRANLIB, autotoolsHost, ... }: +let + ctx = { inherit mkMuslLib pkgs zigCC zigAR zigRANLIB autotoolsHost; }; + zlib = import ./lib-zlib.nix ctx; + bzip2 = import ./lib-bzip2.nix ctx; + xz = import ./lib-xz.nix ctx; + lz4 = import ./lib-lz4.nix ctx; + zstd = import ./lib-zstd.nix ctx; + libxml2 = import ./lib-libxml2.nix ctx; +in +{ + libarchive = mkMuslLib { + pname = "libarchive-musl-static"; + src = pkgs.libarchive.src; + nativeBuildInputs = [ pkgs.cmake pkgs.pkg-config ]; + configurePhase = '' + cmake -B builddir \ + -DCMAKE_C_COMPILER="${zigCC}" \ + -DCMAKE_CXX_COMPILER="${zigCC}" \ + -DCMAKE_AR="${zigAR}" \ + -DCMAKE_RANLIB="${zigRANLIB}" \ + -DBUILD_SHARED_LIBS=OFF \ + -DENABLE_TEST=OFF \ + -DENABLE_TAR=OFF \ + -DENABLE_CPIO=OFF \ + -DENABLE_CAT=OFF \ + -DENABLE_UNZIP=OFF \ + -DENABLE_OPENSSL=OFF \ + -DENABLE_LIBB2=OFF \ + -DENABLE_ICONV=OFF \ + -DENABLE_EXPAT=OFF \ + -DENABLE_PCRE2POSIX=OFF \ + -DENABLE_PCREPOSIX=OFF \ + -DENABLE_LIBXML2=ON \ + -DENABLE_ZLIB=ON \ + -DENABLE_BZip2=ON \ + -DENABLE_LZMA=ON \ + -DENABLE_ZSTD=ON \ + -DENABLE_LZ4=ON \ + -DENABLE_ACL=OFF \ + -DENABLE_XATTR=OFF \ + -DCMAKE_PREFIX_PATH="${zlib};${bzip2};${xz};${lz4};${zstd};${libxml2}" \ + -DCMAKE_FIND_ROOT_PATH="${zlib};${bzip2};${xz};${lz4};${zstd};${libxml2}" \ + -DCMAKE_INSTALL_PREFIX=$out \ + -DCMAKE_INSTALL_LIBDIR=lib + ''; + buildPhase = "cmake --build builddir -j$NIX_BUILD_CORES"; + installPhase = "cmake --install builddir"; + }; + + # All libs needed for static linking (libarchive + its deps) + allLibs = [ zlib bzip2 xz lz4 zstd libxml2 ]; +} diff --git a/support/lib-libxml2.nix b/support/lib-libxml2.nix new file mode 100644 index 0000000..dd8be87 --- /dev/null +++ b/support/lib-libxml2.nix @@ -0,0 +1,28 @@ +{ mkMuslLib, pkgs, zigCC, zigAR, zigRANLIB, ... }: +mkMuslLib { + pname = "libxml2-musl-static"; + src = pkgs.libxml2.src; + nativeBuildInputs = [ pkgs.cmake pkgs.pkg-config ]; + configurePhase = '' + cmake -B builddir \ + -DCMAKE_C_COMPILER="${zigCC}" \ + -DCMAKE_CXX_COMPILER="${zigCC}" \ + -DCMAKE_AR="${zigAR}" \ + -DCMAKE_RANLIB="${zigRANLIB}" \ + -DBUILD_SHARED_LIBS=OFF \ + -DLIBXML2_WITH_PYTHON=OFF \ + -DLIBXML2_WITH_ICU=OFF \ + -DLIBXML2_WITH_LZMA=OFF \ + -DLIBXML2_WITH_ZLIB=OFF \ + -DLIBXML2_WITH_ICONV=OFF \ + -DLIBXML2_WITH_HTTP=OFF \ + -DLIBXML2_WITH_FTP=OFF \ + -DLIBXML2_WITH_THREADS=ON \ + -DLIBXML2_WITH_PROGRAMS=OFF \ + -DLIBXML2_WITH_TESTS=OFF \ + -DCMAKE_INSTALL_PREFIX=$out \ + -DCMAKE_INSTALL_LIBDIR=lib + ''; + buildPhase = "cmake --build builddir -j$NIX_BUILD_CORES"; + installPhase = "cmake --install builddir"; +} diff --git a/support/lib-lz4.nix b/support/lib-lz4.nix new file mode 100644 index 0000000..2f3235d --- /dev/null +++ b/support/lib-lz4.nix @@ -0,0 +1,21 @@ +{ mkMuslLib, pkgs, zigCC, zigAR, zigRANLIB, ... }: +mkMuslLib { + pname = "lz4-musl-static"; + src = pkgs.lz4.src; + nativeBuildInputs = [ pkgs.cmake ]; + configurePhase = '' + cmake -S build/cmake -B builddir \ + -DCMAKE_C_COMPILER="${zigCC}" \ + -DCMAKE_CXX_COMPILER="${zigCC}" \ + -DCMAKE_AR="${zigAR}" \ + -DCMAKE_RANLIB="${zigRANLIB}" \ + -DLZ4_BUILD_CLI=OFF \ + -DLZ4_BUILD_LEGACY_LZ4C=OFF \ + -DBUILD_SHARED_LIBS=OFF \ + -DBUILD_STATIC_LIBS=ON \ + -DCMAKE_INSTALL_PREFIX=$out \ + -DCMAKE_INSTALL_LIBDIR=lib + ''; + buildPhase = "cmake --build builddir -j$NIX_BUILD_CORES"; + installPhase = "cmake --install builddir"; +} diff --git a/support/lib-xz.nix b/support/lib-xz.nix new file mode 100644 index 0000000..7067887 --- /dev/null +++ b/support/lib-xz.nix @@ -0,0 +1,15 @@ +{ mkMuslLib, pkgs, autotoolsHost, ... }: +mkMuslLib { + pname = "xz-musl-static"; + src = pkgs.xz.src; + nativeBuildInputs = [ pkgs.updateAutotoolsGnuConfigScriptsHook ]; + configurePhase = '' + ./configure --host=${autotoolsHost} \ + --disable-shared --enable-static \ + --disable-xz --disable-xzdec --disable-lzmadec --disable-lzmainfo \ + --disable-scripts --disable-doc --disable-nls \ + --prefix=$out + ''; + buildPhase = "make -j$NIX_BUILD_CORES"; + installPhase = "make install"; +} diff --git a/support/lib-zlib.nix b/support/lib-zlib.nix new file mode 100644 index 0000000..85e1a06 --- /dev/null +++ b/support/lib-zlib.nix @@ -0,0 +1,10 @@ +{ mkMuslLib, pkgs, ... }: +mkMuslLib { + pname = "zlib-musl-static"; + src = pkgs.zlib.src; + configurePhase = '' + ./configure --static --prefix=$out + ''; + buildPhase = "make -j$NIX_BUILD_CORES"; + installPhase = "make install"; +} diff --git a/support/lib-zstd.nix b/support/lib-zstd.nix new file mode 100644 index 0000000..9b2259f --- /dev/null +++ b/support/lib-zstd.nix @@ -0,0 +1,20 @@ +{ mkMuslLib, pkgs, zigCC, zigAR, zigRANLIB, ... }: +mkMuslLib { + pname = "zstd-musl-static"; + src = pkgs.zstd.src; + nativeBuildInputs = [ pkgs.cmake ]; + configurePhase = '' + cmake -S build/cmake -B builddir \ + -DCMAKE_C_COMPILER="${zigCC}" \ + -DCMAKE_CXX_COMPILER="${zigCC}" \ + -DCMAKE_AR="${zigAR}" \ + -DCMAKE_RANLIB="${zigRANLIB}" \ + -DZSTD_BUILD_PROGRAMS=OFF \ + -DZSTD_BUILD_SHARED=OFF \ + -DZSTD_BUILD_STATIC=ON \ + -DCMAKE_INSTALL_PREFIX=$out \ + -DCMAKE_INSTALL_LIBDIR=lib + ''; + buildPhase = "cmake --build builddir -j$NIX_BUILD_CORES"; + installPhase = "cmake --install builddir"; +} diff --git a/support/musl-libs.nix b/support/musl-libs.nix new file mode 100644 index 0000000..6da0b3a --- /dev/null +++ b/support/musl-libs.nix @@ -0,0 +1,30 @@ +{ pkgs, zig, name-target }: +let + zigCC = "${zig}/bin/zig-cc-${name-target}"; + zigAR = "${zig}/bin/zig-ar"; + zigRANLIB = "${zig}/bin/zig-ranlib"; + + autotoolsHost = { + "amd64-linux" = "x86_64-linux-musl"; + "arm64-linux" = "aarch64-linux-musl"; + }.${name-target}; + + mkMuslLib = args: pkgs.stdenvNoCC.mkDerivation ({ + nativeBuildInputs = [ zig pkgs.gnumake pkgs.binutils ] ++ (args.nativeBuildInputs or []); + dontFixup = true; + CC = zigCC; + AR = zigAR; + RANLIB = zigRANLIB; + } // builtins.removeAttrs args [ "nativeBuildInputs" ] // { + name = "${args.pname}-${name-target}"; + }); + + ctx = { + inherit pkgs zigCC zigAR zigRANLIB autotoolsHost mkMuslLib; + }; + + libarchiveResult = import ./lib-libarchive.nix ctx; +in { + inherit (libarchiveResult) libarchive; + allLibs = [ libarchiveResult.libarchive ] ++ libarchiveResult.allLibs; +} diff --git a/support/rust.nix b/support/rust.nix new file mode 100644 index 0000000..255d44f --- /dev/null +++ b/support/rust.nix @@ -0,0 +1,100 @@ +{ pkgs +, system ? "x86_64-linux" +, zig +, ... +}: +let + systemAsRust = { + x86_64-linux = "x86_64-unknown-linux-gnu"; + aarch64-linux = "aarch64-unknown-linux-gnu"; + }.${system}; + + manifest-src = builtins.fetchurl { + url = "https://static.rust-lang.org/dist/2025-05-15/channel-rust-stable.toml"; + sha256 = "0594aavj08dw7ba9wndbjg31crkpqz7wcbzzfmgc9yg3j7mbaj99"; + }; + + manifest = builtins.fromTOML (builtins.readFile manifest-src); + + simpleComponent = x: builtins.fetchurl { + url = x.url; + sha256 = x.hash; + }; + + components = [ + (simpleComponent manifest.pkg.cargo.target.${systemAsRust}) + (simpleComponent manifest.pkg.rustc.target.${systemAsRust}) + (simpleComponent manifest.pkg.rust-std.target.${systemAsRust}) + (simpleComponent manifest.pkg.rust-std.target.x86_64-unknown-linux-musl) + (simpleComponent manifest.pkg.rust-std.target.aarch64-unknown-linux-musl) + ]; +in pkgs.stdenvNoCC.mkDerivation rec { + name = "yaar-rust"; + + srcs = components; + sourceRoot = "."; + + dontConfigure = true; + dontBuild = true; + + nativeBuildInputs = [ pkgs.makeWrapper ]; + + buildInputs = [ + pkgs.glibc + pkgs.zlib + pkgs.bash + pkgs.gcc.cc.lib + zig + ]; + + dontAutoPatchelf = true; + + fixupPhase = '' + SEARCH_DIRS="$out/bin" + if [[ "${system}" == "x86_64-linux" ]] + then + SEARCH_DIRS="$SEARCH_DIRS $out/lib/rustlib/x86_64-unknown-linux-gnu/bin" + fi + if [[ "${system}" == "aarch64-linux" ]] + then + SEARCH_DIRS="$SEARCH_DIRS $out/lib/rustlib/aarch64-unknown-linux-gnu/bin" + fi + find $SEARCH_DIRS -type f -executable | while read binary; do + if file "$binary" | grep -q "ELF" + then + echo "Patching $binary" + patchelf \ + --set-interpreter ${pkgs.glibc}/lib/ld-linux-x86-64.so.2 \ + --set-rpath "${pkgs.lib.makeLibraryPath buildInputs}:"'$ORIGIN/../lib' \ + "$binary" + fi + done + + find $out/lib -type f -maxdepth 1 | while read binary; do + if file "$binary" | grep -q "ELF" + then + echo "Patching $binary" + patchelf \ + --set-rpath "${pkgs.lib.makeLibraryPath buildInputs}:"'$ORIGIN/../lib' \ + "$binary" + fi + done + + runHook postInstall + ''; + + installPhase = '' + mkdir -p $out + for i in $(find . -type d -maxdepth 2 -mindepth 1) ; + do + cp -r "$i/." $out/. + done + + wrapProgram $out/bin/cargo \ + --set CC_x86_64_unknown_linux_musl zig-cc-amd64-linux \ + --set CC_aarch64_unknown_linux_musl zig-cc-arm64-linux \ + --set CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_LINKER zig-cc-amd64-linux \ + --set CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER zig-cc-arm64-linux \ + --prefix LD_LIBRARY_PATH : "${pkgs.lib.makeLibraryPath buildInputs}" + ''; +} diff --git a/support/zig.nix b/support/zig.nix new file mode 100644 index 0000000..cbc06f0 --- /dev/null +++ b/support/zig.nix @@ -0,0 +1,80 @@ +{ pkgs +, system ? "x86_64-linux" +, ... +}: +let + zig = { + x86_64-linux = builtins.fetchTarball { + url = "https://ziglang.org/download/0.15.1/zig-x86_64-linux-0.15.1.tar.xz"; + sha256 = "0yar24a1qjg503czwnkdipky1cfb08k0mm9c8gwv827d33df1070"; + }; + aarch64-linux = builtins.fetchTarball { + url = "https://ziglang.org/download/0.15.1/zig-aarch64-linux-0.15.1.tar.xz"; + sha256 = "19vcv7a1scm4wpj5cgv3dmzajz37fdyx5x1inxfgxzsavbmvq3zy"; + }; + }.${system}; + + make-cc-wrapper = trg: pkgs.writeShellScript "zig-cc-${trg}" '' + if [ ! -d "$HOME" ]; then + export ZIG_GLOBAL_CACHE_DIR=/build/.zig-cache + export ZIG_LOCAL_CACHE_DIR=/build/.zig-cache-local + fi + args=() + for arg in "$@"; do + if [[ "$skip_next" == true ]]; then + skip_next=false + continue + fi + if [[ "$arg" != --target=* ]] && \ + [[ "$arg" != -framework ]] && \ + [[ "$arg" != CoreFoundation ]] && \ + [[ "$arg" != Foundation ]] && \ + [[ "$arg" != *CoreFoundation* ]] && \ + [[ "$arg" != *Foundation* ]] && \ + [[ "$arg" != -F ]] && \ + [[ "$arg" != -F* ]]; then + args+=("$arg") + elif [[ "$arg" == -framework ]] || [[ "$arg" == -F ]]; then + skip_next=true + fi + done + + exec "${zig}/zig" cc -fdebug-prefix-map=${toString zig}=/zig -target ${trg} "''${args[@]}" + ''; + + make-ar-wrapper = pkgs.writeShellScript "zig-ar" '' + if [ ! -d "$HOME" ]; then + export ZIG_GLOBAL_CACHE_DIR=/build/.zig-cache + export ZIG_LOCAL_CACHE_DIR=/build/.zig-cache-local + fi + exec "${zig}/zig" ar "$@" + ''; + + make-ranlib-wrapper = pkgs.writeShellScript "zig-ranlib" '' + if [ ! -d "$HOME" ]; then + export ZIG_GLOBAL_CACHE_DIR=/build/.zig-cache + export ZIG_LOCAL_CACHE_DIR=/build/.zig-cache-local + fi + exec "${zig}/zig" ranlib "$@" + ''; +in +pkgs.stdenvNoCC.mkDerivation { + name = "yaar-zig"; + + src = zig; + + nativeBuildInputs = [ pkgs.coreutils ]; + + dontConfigure = true; + + dontBuild = true; + + installPhase = '' + mkdir -p "$out/bin" + cp -r "./." "$out" + cp ${make-cc-wrapper "x86_64-linux-musl"} "$out/bin/zig-cc-amd64-linux" + cp ${make-cc-wrapper "aarch64-linux-musl"} "$out/bin/zig-cc-arm64-linux" + cp ${make-ar-wrapper} "$out/bin/zig-ar" + cp ${make-ranlib-wrapper} "$out/bin/zig-ranlib" + ''; +}