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[PATCH v10] scripts: Convert qemu-version.sh to qemu-version.py


From: Yonggang Luo
Subject: [PATCH v10] scripts: Convert qemu-version.sh to qemu-version.py
Date: Thu, 8 Oct 2020 03:59:34 +0800

The sh script are harder to maintain for compatible different
xsh environment so convert it to python script
Also incorporate the fixes in
https://patchew.org/QEMU/20200929143654.518157-1-marcandre.lureau@redhat.com/

Using v\\* on Windows and v* on other platform for matching version.
Tested under Ubuntu/msys2/mingw.

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20201006112139.700-1-luoyonggang@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 meson.build             |  2 +-
 scripts/qemu-version.py | 37 +++++++++++++++++++++++++++++++++++++
 scripts/qemu-version.sh | 25 -------------------------
 3 files changed, 38 insertions(+), 26 deletions(-)
 create mode 100644 scripts/qemu-version.py
 delete mode 100755 scripts/qemu-version.sh

diff --git a/meson.build b/meson.build
index 26230614ba..1d3bb25bc6 100644
--- a/meson.build
+++ b/meson.build
@@ -1132,7 +1132,7 @@ tracetool = [
    '--backend=' + config_host['TRACE_BACKENDS']
 ]
 
-qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
+qemu_version_cmd = [find_program('scripts/qemu-version.py'),
                     meson.current_source_dir(),
                     config_host['PKGVERSION'], meson.project_version()]
 qemu_version = custom_target('qemu-version.h',
diff --git a/scripts/qemu-version.py b/scripts/qemu-version.py
new file mode 100644
index 0000000000..063b3720f7
--- /dev/null
+++ b/scripts/qemu-version.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+#
+# Script for retrieve qemu git version information
+#
+# Authors:
+#  Yonggang Luo <luoyonggang@gmail.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2
+# or, at your option, any later version.  See the COPYING file in
+# the top-level directory.
+
+import sys
+import subprocess
+import os, os.path
+import platform
+
+def main(_program, dir, pkgversion, version, *unused):
+    os.chdir(dir)
+    if not pkgversion and os.path.exists('.git'):
+        match_expression = 'v\\*' if platform.system() == 'Windows' else 'v*'
+        pc = subprocess.run(['git', 'describe', '--match',  match_expression,
+                            '--dirty', '--always'],
+                            stdout=subprocess.PIPE, stderr=subprocess.DEVNULL,
+                            encoding='utf8', shell=False)
+        if pc.returncode == 0:
+            pkgversion = pc.stdout.strip()
+
+    fullversion = version
+    if pkgversion:
+        fullversion = "{} ({})".format(version, pkgversion)
+
+    print('#define QEMU_PKGVERSION "%s"' % pkgversion)
+    print('#define QEMU_FULL_VERSION "%s"' % fullversion)
+
+if __name__ == "__main__":
+    main(*sys.argv)
diff --git a/scripts/qemu-version.sh b/scripts/qemu-version.sh
deleted file mode 100755
index 03128c56a2..0000000000
--- a/scripts/qemu-version.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/bin/sh
-
-set -eu
-
-dir="$1"
-pkgversion="$2"
-version="$3"
-
-if [ -z "$pkgversion" ]; then
-    cd "$dir"
-    if [ -e .git ]; then
-        pkgversion=$(git describe --match 'v*' --dirty | echo "")
-    fi
-fi
-
-if [ -n "$pkgversion" ]; then
-    fullversion="$version ($pkgversion)"
-else
-    fullversion="$version"
-fi
-
-cat <<EOF
-#define QEMU_PKGVERSION "$pkgversion"
-#define QEMU_FULL_VERSION "$fullversion"
-EOF
-- 
2.28.0.windows.1




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