Merge bitcoin/bitcoin#24982: tests: Port lint-all.sh to lint-all.py

29f44fe Converting `lint-all.sh` to `lint-all.py`. (hiago)

Pull request description:

  This PR is converting `test/lint/lint-all.sh` to `test/lint/lint-assertions.py`. It's an item of bitcoin/bitcoin#24783.

ACKs for top commit:
  laanwj:
    Tested ACK 29f44fe

Tree-SHA512: 5427936aaa8e009613048448cbd79d9225675bdcadcf4fbb70fd091e0aab85e350ef1678da1b388f70d62ca16f40409409f90da3f6bbf057480522cd50fde811

Author: laanwj

ci/lint/06_script.sh

@@ -22,7 +22,7 @@ test/lint/git-subtree-check.sh src/univalue
 test/lint/git-subtree-check.sh src/leveldb
 test/lint/git-subtree-check.sh src/crc32c
 test/lint/check-doc.py
-test/lint/lint-all.sh
+test/lint/lint-all.py
 
 if [ "$CIRRUS_REPO_FULL_NAME" = "bitcoin/bitcoin" ] && [ "$CIRRUS_PR" = "" ] ; then
     # Sanity check only the last few commits to get notified of missing sigs,

test/README.md

@@ -327,7 +327,7 @@ test/lint/lint-files.py
 You can run all the shell-based lint tests by running:
 
 ```
-test/lint/lint-all.sh
+test/lint/lint-all.py
 ```
 
 # Writing functional tests

test/lint/README.md

@@ -39,6 +39,6 @@ To do so, add the upstream repository as remote:
 git remote add --fetch secp256k1 https://github.com/bitcoin-core/secp256k1.git
 ```
 
-lint-all.sh
+lint-all.py
 ===========
 Calls other scripts with the `lint-` prefix.

test/lint/lint-all.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2017-2022 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#
+# This script runs all test/lint/lint-* files, and fails if any exit
+# with a non-zero status code.
+
+from glob import glob
+from pathlib import Path
+from subprocess import run
+
+exit_code = 0
+mod_path = Path(__file__).parent
+for lint in glob(f"{mod_path}/lint-*"):
+    if lint != __file__:
+        result = run([lint])
+        if result.returncode != 0:
+            print(f"^---- failure generated from {lint.split('/')[-1]}")
+            exit_code |= result.returncode
+
+exit(exit_code)