refactor: enhance compare versions

Signed-off-by: thxCode <[email protected]>

Author: thxCode

gpustack_runtime/deployer/__utils__.py

@@ -338,6 +338,9 @@ def compare_versions(v1: str | None, v2: str | None) -> int:
     if v2 is None:
         v2 = ""
 
+    v1 = v1.removeprefix("v")
+    v2 = v2.removeprefix("v")
+
     if v1 == v2:
         return 0
 

tests/gpustack_runtime/deployer/fixtures/test_compare_versions.json

@@ -78,5 +78,13 @@
       "v2": "1.2.3.post1"
     },
     -1
+  ],
+  [
+    "v1.2.3 = 1.2.3",
+    {
+      "v1": "v1.2.3",
+      "v2": "1.2.3"
+    },
+    0
   ]
 ]