Add support for Txz archives

Cargo.lock

@@ -119,6 +119,7 @@ dependencies = [
  "tempdir",
  "tinytemplate",
  "tokio",
+ "xz2",
 ]
 
 [[package]]
@@ -796,6 +797,17 @@ dependencies = [
  "cfg-if 0.1.10",
 ]
 
+[[package]]
+name = "lzma-sys"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bdb4b7c3eddad11d3af9e86c487607d2d2442d185d848575365c4856ba96d619"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "matches"
 version = "0.1.8"
@@ -1931,3 +1943,12 @@ checksum = "244c3741f4240ef46274860397c7c74e50eb23624996930e484c16679633a54c"
 dependencies = [
  "libc",
 ]
+
+[[package]]
+name = "xz2"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c179869f34fc7c01830d3ce7ea2086bc3a07e0d35289b667d0a8bf910258926c"
+dependencies = [
+ "lzma-sys",
+]

Cargo.toml

@@ -35,6 +35,7 @@ dirs = "3.0.1"
 serde_derive = "1.0.118"
 crates-index = "0.16.2"
 semver = "0.11.0"
+xz2 = "0.1.6"
 
 [dev-dependencies]
 env_logger = "0.8.2"

README.md

@@ -39,6 +39,7 @@ yes
   - [ ] Unofficial packaging
 - Package formats
   - [x] Tgz
+  - [x] Txz
   - [x] Tar
   - [x] Bin
 - Extraction / Transformation

src/helpers.rs

@@ -6,6 +6,7 @@ use log::{debug, info, error};
 use cargo_toml::{Manifest};
 use flate2::read::GzDecoder;
 use tar::Archive;
+use xz2::read::XzDecoder;
 
 
 use crate::{Meta};
@@ -66,6 +67,16 @@ pub fn extract<S: AsRef<Path>, P: AsRef<Path>>(source: S, fmt: PkgFmt, path: P)
 
             tgz.unpack(path)?;
         },
+        PkgFmt::Txz => {
+            // Extract to install dir
+            debug!("Decompressing from archive '{:?}' to `{:?}`", source.as_ref(), path.as_ref());
+
+            let dat = std::fs::File::open(source)?;
+            let tar = XzDecoder::new(dat);
+            let mut txz = Archive::new(tar);
+
+            txz.unpack(path)?;
+        },
         PkgFmt::Bin => {
             debug!("Copying data from archive '{:?}' to `{:?}`", source.as_ref(), path.as_ref());
             // Copy to install dir

src/lib.rs

@@ -30,6 +30,8 @@ pub enum PkgFmt {
     Tar,
     /// Download format is TGZ (TAR + GZip)
     Tgz,
+    /// Download format is TAR + XZ
+    Txz,
     /// Download format is raw / binary
     Bin,
 }