[#672] added danger for checking commits compliance

1 files changed, 42 insertions, 0 deletions

diff --git a/Dangerfile b/Dangerfile
new file mode 100644
index 0000000000..c8d391dd30
--- /dev/null
+++ b/Dangerfile
@@ -0,0 +1,42 @@
+fail "Please provide a summary in the Merge Request description to help your colleagues to understand the MR purpose." if gitlab.mr_body.length < 5
+
+if git.modified_files.include? "Dangerfile"
+  warn "This MR modifies Dangerfile! Watch for the rules!"
+end
+
+# Checking MR size
+if not gitlab.mr_body.include?("#huge-sorry")
+  warn("Split the MR into separate ones. It's really big.") if git.lines_of_code > 3000
+  fail("Do not submit MRs over 5000 lines of code.") if git.lines_of_code > 5000
+end
+
+# Note when MRs don't reference a milestone, make the warning stick around on subsequent runs
+has_milestone = gitlab.mr_json["milestone"] != nil
+warn("This MR does not refer to an existing milestone", sticky: true) unless has_milestone
+
+# check commits' comments
+commit_lint.check warn: :all
+
+# check gitlab issue in commit message
+git.commits.each do |c|
+  m = c.message.match(/^\[\#(\d+)\]\ (.*)/)
+  if not m
+    warn "No GitLab issue in commit message: #{c}"
+    gl_issue_msg = nil
+  else
+    gl_issue_msg = m.captures[0]
+  end
+
+  mr_branch = gitlab.branch_for_head
+  m = mr_branch.match(/^(\d+).*/)
+  if not m
+    warn "Branch name does not start with GitLab issue: #{mr_branch}"
+    gl_issue_br = nil
+  else
+    gl_issue_br = m.captures[0]
+  end
+
+  if gl_issue_msg and gl_issue_br and gl_issue_msg != gl_issue_br
+    warn "GitLab issue ##{gl_issue_msg} in msg of commit #{c} and issue ##{gl_issue_br} from branch #{mr_branch} do not match"
+  end
+end