ledger: git-tracked file LOC census (5053 files, 211MB, 2.2M lines)

wizard-work/ledger/CHECK-troupe-gitfile-loc-census

@@ -0,0 +1,33 @@
+"""CHECK: troupe-standup git-tracked-file LOC census.
+
+Re-derives the expected value straight from the live git index
+(`git ls-files` count) and compares it against the artifact's data-row
+count. Exit 0 => artifact row count matches reality (correct); nonzero
+=> mismatch (wrong). Read-only with respect to the repo.
+"""
+import subprocess
+import sys
+
+REPO = "/root/troupe-standup"
+ARTIFACT = REPO + "/wizard-work/ledger/troupe-gitfile-loc-census.tsv"
+
+
+def main():
+    r = subprocess.run(
+        ["git", "ls-files"], cwd=REPO, check=True, capture_output=True, text=True
+    )
+    expected = len(r.stdout.splitlines())
+
+    with open(ARTIFACT, encoding="utf-8") as fh:
+        lines = fh.read().splitlines()
+
+    assert lines[0] == "track,path,size_bytes,line_count", "bad header: %r" % lines[0]
+    actual = len(lines) - 1
+    if actual != expected:
+        print("MISMATCH artifact_rows=%d git_tracked_files=%d" % (actual, expected))
+        sys.exit(1)
+    print("OK artifact_rows=%d git_tracked_files=%d" % (actual, expected))
+
+
+if __name__ == "__main__":
+    main()