# wasi-sdk is fetched without .git, to avoid shallow submodule fetch failures on
# git.savannah.gnu.org, so git describe can't work. Fall back to $WASI_SDK_VERSION.
# https://github.com/WebAssembly/wasi-sdk/issues/505

diff --git a/version.py b/version.py
--- a/version.py
+++ b/version.py
@@ -80,9 +80,12 @@
 assert parse_git_version('wasi-sdk-23-tag.rc1-1-g100') == '23.1-tag.rc1g100'

 def git_version():
-    version = exec(['git', 'describe', '--long', '--candidates=999',
-                    '--match=wasi-sdk-*', '--dirty=+m', f'--abbrev={GIT_REF_LEN}'],
-                    os.path.dirname(sys.argv[0]))
+    try:
+        version = exec(['git', 'describe', '--long', '--candidates=999',
+                        '--match=wasi-sdk-*', '--dirty=+m', f'--abbrev={GIT_REF_LEN}'],
+                        os.path.dirname(sys.argv[0]))
+    except subprocess.CalledProcessError:
+        return os.environ.get('WASI_SDK_VERSION', '0') + '.0'
     return parse_git_version(version)