Adding upstream version 257.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

man/check-os-release.py

@@ -0,0 +1,37 @@
+#!/usr/bin/python
+# SPDX-License-Identifier: MIT-0
+
+import ast
+import re
+import sys
+
+def read_os_release():
+    try:
+        filename = '/etc/os-release'
+        f = open(filename)
+    except FileNotFoundError:
+        filename = '/usr/lib/os-release'
+        f = open(filename)
+
+    for line_number, line in enumerate(f, start=1):
+        line = line.rstrip()
+        if not line or line.startswith('#'):
+            continue
+        m = re.match(r'([A-Z][A-Z_0-9]+)=(.*)', line)
+        if m:
+            name, val = m.groups()
+            if val and val[0] in '"\'':
+                val = ast.literal_eval(val)
+            yield name, val
+        else:
+            print(f'{filename}:{line_number}: bad line {line!r}',
+                  file=sys.stderr)
+
+os_release = dict(read_os_release())
+
+pretty_name = os_release.get('PRETTY_NAME', 'Linux')
+print(f'Running on {pretty_name!r}')
+
+if 'debian' in [os_release.get('ID', 'linux'),
+                *os_release.get('ID_LIKE', '').split()]:
+    print('Looks like Debian!')