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Re: [PATCH v3] scripts: Convert qemu-version.sh to qemu-version.py


From: Marc-André Lureau
Subject: Re: [PATCH v3] scripts: Convert qemu-version.sh to qemu-version.py
Date: Tue, 6 Oct 2020 00:00:16 +0400



On Mon, Oct 5, 2020 at 11:52 PM Yonggang Luo <luoyonggang@gmail.com> wrote:
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/

Testing args length and if not enough, setting pkgversion and version to ''

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>

lgtm
Reviewed-by: Marc-André Lureau <marcandre.lureau@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 95a532bd29..20f653b6eb 100644
--- a/meson.build
+++ b/meson.build
@@ -1072,7 +1072,7 @@ 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..fc1531ef2b
--- /dev/null
+++ b/scripts/qemu-version.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+#
+# Script for retrieve qemu git version information
+#
+# Author: Yonggang Luo <luoyonggang@gmail.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2.  See
+# the COPYING file in the top-level directory.
+#
+
+import sys
+import subprocess
+
+def main(args):
+    pkgversion = ''
+    version = ''
+    if len(args) > 3:
+        dir = args[1]
+        pkgversion = args[2]
+        version = args[3]
+        if len(pkgversion) == 0:
+            pc = subprocess.run(['git', 'describe', '--match', "'v*'", '--dirty', '--always'],
+                                stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, cwd=dir)
+            if pc.returncode == 0:
+                pkgversion = pc.stdout.decode('utf8').strip()
+
+    fullversion = version
+    if len(pkgversion) > 0:
+        fullversion = "{} ({})".format(version, pkgversion)
+
+    version_header = '''#define QEMU_PKGVERSION "{}"
+#define QEMU_FULL_VERSION "{}"'''.format(pkgversion, fullversion)
+    sys.stdout.buffer.write(version_header.encode('utf8'))
+
+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




--
Marc-André Lureau

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