[PATCH v4 11/13] binman: Add xz bintool

[Stefan Herbrechtsmeier]

From: Stefan Herbrechtsmeier <stefan.herbrechtsmeier at weidmueller.com>

Add xz bintool to binman to support on-the-fly compression.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier at weidmueller.com>

---

(no changes since v3)

Changes in v3:
- Rebase

Changes in v2:
- Added

 tools/binman/btool/xz.py  | 31 +++++++++++++++++++++++++++++++
 tools/binman/comp_util.py |  4 +++-
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 tools/binman/btool/xz.py

diff --git a/tools/binman/btool/xz.py b/tools/binman/btool/xz.py
new file mode 100644
index 0000000000..e2b413d18b
--- /dev/null
+++ b/tools/binman/btool/xz.py
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2022 Weidmüller Interface GmbH & Co. KG
+# Stefan Herbrechtsmeier <stefan.herbrechtsmeier at weidmueller.com>
+#
+"""Bintool implementation for xz
+
+xz allows compression and decompression of files.
+
+Documentation is available via::
+
+   man xz
+"""
+
+from binman import bintool
+
+# pylint: disable=C0103
+class Bintoolxz(bintool.BintoolPacker):
+    """Compression/decompression using the xz algorithm
+
+    This bintool supports running `xz` to compress and decompress data, as
+    used by binman.
+
+    It is also possible to fetch the tool, which uses `apt` to install it.
+
+    Documentation is available via::
+
+        man xz
+    """
+    def __init__(self, name):
+        super().__init__(name, fetch_package='xz-utils',
+                         version_regex=r'xz \(XZ Utils\) ([0-9.]+)')
diff --git a/tools/binman/comp_util.py b/tools/binman/comp_util.py
index d8fdd5c7a2..8c0fe5078f 100644
--- a/tools/binman/comp_util.py
+++ b/tools/binman/comp_util.py
@@ -12,6 +12,7 @@ This supports the following compression algorithm:
   lz4
   lzma
   lzo
+  xz
 
 Note that for lzma this uses an old version of the algorithm, not that
 provided by xz.
@@ -22,6 +23,7 @@ This requires the following tools:
   lz4
   lzma_alone
   lzop
+  xz
 
 It also requires an output directory to be previously set up, by calling
 PrepareOutputDir().
@@ -33,7 +35,7 @@ from binman import bintool
 from patman import tools
 
 # Supported compression algorithms
-ALGORITHMS = ['bzip2', 'gzip', 'lz4', 'lzma', 'lzo']
+ALGORITHMS = ['bzip2', 'gzip', 'lz4', 'lzma', 'lzo', 'xz']
 
 bintools = {}
 
-- 
2.30.2