Add function to close multiple issues with one keyword on commits (#2491)

src/main/scala/gitbucket/core/util/StringUtil.scala

@@ -151,8 +151,13 @@ object StringUtil {
    * @return the iterator of issue id
    */
   def extractCloseId(message: String): Seq[String] =
-    "(?i)(?<!\\w)(?:fix(?:e[sd])?|resolve[sd]?|close[sd]?)\\s+#(\\d+)(?!\\w)".r
-      .findAllIn(message)
+    "#(\\d+)".r
+      .findAllIn(
+        "(?i)(?<!\\w)(?:fix(?:e[sd])?|resolve[sd]?|close[sd]?)\\s+#(\\d+)(,\\s?#(\\d+))*(?!\\w)".r
+          .findAllIn(message)
+          .toSeq
+          .mkString(",")
+      )
       .matchData
       .map(_.group(1))
       .toSeq

src/test/scala/gitbucket/core/util/StringUtilSpec.scala

@@ -64,6 +64,9 @@ class StringUtilSpec extends AnyFunSpec {
     it("should returns Nil from message which does not contain close command") {
       assert(StringUtil.extractCloseId("(refs #123)").toSeq == Nil)
     }
+    it("should extract 'close #x, #y, #z' and return extracted multi id") {
+      assert(StringUtil.extractCloseId("(close #1, #2, #3, wip #4, close #5)").toSeq == Seq("1", "2", "3", "5"))
+    }
   }
 
   describe("getRepositoryViewerUrl") {