[CI/Build] force writing version file (vllm-project#13544)

Signed-off-by: Daniele Trifirò <dtrifiro@redhat.com>

Author: dtrifiro

pyproject.toml

@@ -42,7 +42,7 @@ Slack="http://slack.vllm.ai/"
 vllm = "vllm.entrypoints.cli.main:main"
 
 [tool.setuptools_scm]
-version_file = "vllm/_version.py"
+# no extra settings needed, presence enables setuptools-scm
 
 [tool.setuptools.packages.find]
 where = ["."]

setup.py

@@ -499,7 +499,7 @@ def get_gaudi_sw_version():
 
 
 def get_vllm_version() -> str:
-    version = get_version()
+    version = get_version(write_to="vllm/_version.py")
     sep = "+" if "+" not in version else "."  # dev versions might contain +
 
     if _no_device():