fix(jira): allow jira ref with shorter prefix

Author: LaurentMox

validator.bats

@@ -112,12 +112,12 @@ plop"
 @test "structure: valid commit message with header and multiple JIRA" {
   COMMIT="plop plop
 
-ABC-1234 DEF-1234"
+ABC-1234 DE-1234"
 
   validate_overall_structure "$COMMIT"
   [[ $GLOBAL_HEADER == "plop plop" ]]
   [[ $GLOBAL_BODY == "" ]]
-  [[ $GLOBAL_JIRA == "ABC-1234 DEF-1234" ]]
+  [[ $GLOBAL_JIRA == "ABC-1234 DE-1234" ]]
   [[ $GLOBAL_FOOTER == "" ]]
 }
 
@@ -549,6 +549,11 @@ LUM-2345'
   [[ "$status" -eq 0 ]]
 }
 
+@test "feat with short jira ref should be validated" {
+  run validate_jira "feat" "AB-123"
+  [[ "$status" -eq 0 ]]
+}
+
 @test "overall validation invalid structure" {
   MESSAGE='plop
 plop'

validator.sh

@@ -8,7 +8,7 @@ readonly HEADER_PATTERN="^([^\(]+)\(([^\)]+)\): (.+)$"
 readonly TYPE_PATTERN="^(feat|fix|docs|gen|lint|refactor|test|chore)$"
 readonly SCOPE_PATTERN="^([a-z][a-z0-9]*)(-[a-z0-9]+)*$"
 readonly SUBJECT_PATTERN="^([a-z0-9].*[^ ^\.])$"
-readonly JIRA_PATTERN="^([A-Z]{3,4}-[0-9]{1,6} ?)+$"
+readonly JIRA_PATTERN="^([A-Z]{2,4}-[0-9]{1,6} ?)+$"
 readonly JIRA_HEADER_PATTERN="^.*([A-Z]{3,4}-[0-9]{1,6}).*$"
 readonly BROKE_PATTERN="^BROKEN:$"
 readonly TRAILING_SPACE_PATTERN=" +$"