chore(validator): enforce footer length

Author: sebastien-boulle

Diff for: README.md

@@ -187,13 +187,13 @@ See the [open issues](https://github.com/lumapps/commit-msg-validator/issues) fo
 - [x] list all the commit, and run validation on each
 - [x] enforce the overall commit message structure
 - [x] enforce the overall commit header structure
-- [x] enforce the overall commit header lenght
+- [x] enforce the overall commit header length
 - [x] enforce the commit type
 - [x] enforce the commit scope
 - [x] enforce the commit subject
 - [x] enforce the commit body length
 - [x] enforce the JIRA reference
-- [ ] enforce the BROKEN part
+- [x] enforce the BROKEN part length
 - [ ] avoid trailing space
 - [ ] allow automated revert commit
 - [ ] allow fixup! and squash! commit with an option

Diff for: validator.bats

@@ -486,6 +486,19 @@ LUM-2345'
   [[ "$status" -eq $ERROR_BODY_LENGTH ]]
 }
 
+@test "overall validation invalid footer length" {
+  MESSAGE='feat(scope1): subject
+
+plop
+
+LUM-2345
+BROKEN:
+- 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901'
+
+  run validate "$MESSAGE"
+  [[ "$status" -eq $ERROR_BODY_LENGTH ]]
+}
+
 @test "overall validation missing jira" {
   MESSAGE='feat(scope1): subject
 

Diff for: validator.sh

@@ -224,6 +224,7 @@ validate() {
    validate_subject "$SUBJECT"
 
    validate_body_length "$BODY"
+   validate_body_length "$FOOTER"
 
    validate_jira "$TYPE" "$JIRA"
 }