Create and update bugs by version list.

1 files changed, 43 insertions, 0 deletions

diff --git a/scripts/update_bugs_by_version.py b/scripts/update_bugs_by_version.py
new file mode 100755
index 00000000..c4bc0c9b
--- /dev/null
+++ b/scripts/update_bugs_by_version.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+#
+# This script is used to generate the list of bugs per compiler version
+# from the list of bugs.
+# It updates the list in place and signals failure if there were changes.
+# This makes it possible to use this script as part of CI to check
+# that the list is up to date.
+
+import os
+import json
+import re
+import sys
+
+def comp(version_string):
+    return [int(c) for c in version_string.split('.')]
+
+path = os.path.dirname(os.path.realpath(__file__))
+with open(path + '/../docs/bugs.json') as bugsFile:
+    bugs = json.load(bugsFile)
+
+versions = {}
+with open(path + '/../Changelog.md') as changelog:
+    for line in changelog:
+        m = re.search(r'^### (\S+) \((\d+-\d+-\d+)\)$', line)
+        if m:
+            versions[m.group(1)] = {}
+            versions[m.group(1)]['released'] = m.group(2)
+
+for v in versions:
+    versions[v]['bugs'] = []
+    for bug in bugs:
+        if 'introduced' in bug and comp(bug['introduced']) > comp(v):
+            continue
+        if comp(bug['fixed']) <= comp(v):
+            continue
+        versions[v]['bugs'] += [bug['name']]
+
+with open(path + '/../docs/bugs_by_version.json', 'r+') as bugs_by_version:
+    old_contents = bugs_by_version.read()
+    new_contents = json.dumps(versions, sort_keys=True, indent=4)
+    bugs_by_version.seek(0)
+    bugs_by_version.write(new_contents)
+    sys.exit(old_contents != new_contents)
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