From ce6f4e88e71ee8965c90354d2af50a35ddd1827e Mon Sep 17 00:00:00 2001
From: Jim Bassett <jbassett@skedulo.com>
Date: Thu, 17 Oct 2024 17:44:05 +1000
Subject: [PATCH] fix: "invalid reference format" error by avoiding trailing
 underscore if nested name is not set (#461)

---
 .../com/avast/gradle/dockercompose/ComposeSettings.groovy     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/groovy/com/avast/gradle/dockercompose/ComposeSettings.groovy b/src/main/groovy/com/avast/gradle/dockercompose/ComposeSettings.groovy
index 2a7abce6..4a949c4d 100644
--- a/src/main/groovy/com/avast/gradle/dockercompose/ComposeSettings.groovy
+++ b/src/main/groovy/com/avast/gradle/dockercompose/ComposeSettings.groovy
@@ -97,10 +97,10 @@ abstract class ComposeSettings {
                 return customProjectName
             }
             else if (projectNamePrefix) {
-                return "${projectNamePrefix}_${nestedName}"
+                return nestedName ? "${projectNamePrefix}_${nestedName}" : projectNamePrefix
             }
             else {
-                return "${safeProjectNamePrefix}_${nestedName}"
+                return nestedName ? "${safeProjectNamePrefix}_${nestedName}" : safeProjectNamePrefix
             }
         }).map{ String projectName ->
             // docker-compose project names must be lowercase