tell maven where local m2 directory is

dcache-build.yml

@@ -6,7 +6,7 @@ stages:
 
 
 variables:
-  MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true -DskipTests"
+  MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true -DskipTests -Dmaven.repo.local=.m2/repository"
 
 
 # Cache downloaded dependencies and plugins between builds.
@@ -14,7 +14,7 @@ variables:
 cache:
   key: "CI_JOB_NAME"
   paths:
-    - .m2/repository
+    - ./.m2/repository
 
 rpm:
   stage: build:rpm