[reprotest] 01/01: Add a safety device to guard against typos

[Ximin Luo]

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infinity0 pushed a commit to branch master
in repository reprotest.

commit c0017ce4e88d8716627e8ec161c1d561e018016c
Author: Ximin Luo <infinity0 at debian.org>
Date:   Fri Sep 23 21:08:29 2016 +0200

    Add a safety device to guard against typos
---
 reprotest/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/reprotest/__init__.py b/reprotest/__init__.py
index 93af791..7dbc65b 100644
--- a/reprotest/__init__.py
+++ b/reprotest/__init__.py
@@ -7,6 +7,7 @@ import configparser
 import logging
 import os
 import pathlib
+import re
 import subprocess
 import sys
 import tempfile
@@ -294,6 +295,8 @@ def build(script, source_root, dist_root, artifact_pattern, testbed, artifact_st
     print(artifact_pattern)
     # remove any existing artifact, in case the build script doesn't overwrite
     # it e.g. like how make(1) sometimes works.
+    if re.search(r"""(^| )['"]*/""", artifact_pattern):
+        raise ValueError("artifact_pattern is possibly dangerous; refusing to continue")
     testbed.check_exec(
         ['sh', '-ec', 'cd "%s" && rm -rf %s' %
         (source_root, artifact_pattern)])

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