KConfigAttributes loader: provide kconfig hash

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/loader.py b/lib/loader.py
index a1f9ca6..7835b18 100644
--- a/lib/loader.py
+++ b/lib/loader.py
@@ -11,6 +11,7 @@ import struct
 import tarfile
 import hashlib
 import kconfiglib
+import subprocess
 from multiprocessing import Pool
 from .utils import running_mean, soft_cast_int
 from frozendict import frozendict
@@ -1951,6 +1952,7 @@ class KConfigAttributes:
         for direntry in os.listdir(datadir):
             config_path = f"{datadir}/{direntry}/.config"
             attr_path = f"{datadir}/{direntry}/attributes.json"
+            metadata_path = f"{datadir}/{direntry}/metadata"
             if os.path.exists(attr_path):
                 experiments.append((config_path, attr_path))
             elif os.path.exists(config_path):
@@ -1959,6 +1961,8 @@ class KConfigAttributes:
         kconf = kconfiglib.Kconfig(kconfig_path)
         self.kconf = kconf
 
+        self.kconfig_hash = self.file_hash(kconfig_path)
+
         self.symbol_names = sorted(
             map(
                 lambda sym: sym.name,
@@ -2001,3 +2005,13 @@ class KConfigAttributes:
                 if kconf.syms[sym].tri_value == 2:
                     config[sym] = True
             self.failures.append(frozendict(config))
+
+    def file_hash(self, config_file):
+        status = subprocess.run(
+            ["sha256sum", config_file],
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            universal_newlines=True,
+        )
+        sha256sum = status.stdout.split()[0]
+        return sha256sum