diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e04fe9b..a8905fe 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,26 @@
 variables:
-  GIT_SUBMODULE_STRATEGY: recursive
+  aud:  aud_zusammenfassung.pdf
+  ffi:  ForensInf2_Zusammenfassung.pdf
+  gds1: gds_braindump_ss17.pdf
+  gds2: gds_braindump_ss17.pdf
+  gti:  gti_zusammenfassung.pdf
+  idb1: idb_skript_greeny/IDB.pdf
+  idb2: klausur_ws1516/klausur_idb_WS1516.pdf
+  idb3: klausur_ws16/klausur_idb_SS16.pdf
+  idb4: klausur_ws16/klausur_idb_SS16_ML.pdf
+  konzmod: konzmod_zusammenfassung.pdf
+  mathec1: mathec1_zussammenfassung.pdf
+  mathec4: MaC4Cheatsheet.pdf
+  rk1: KlausurLV_SS14_September.pdf
+  rk2: KlausurLV_WS1415_Maerz.pdf
+  thprog1: Koinduktion_reduktion.pdf
+  thprog2: Konfluenz.pdf
+  thprog3: Polynomordnung.pdf
+  thprog4: PumpingLemma.pdf
+  thprog5: Strukturelle_Induktion.pdf
+  thprog6: SystemF.pdf
+  thprog7: ThProgCheatsheet.pdf
+
 
 image: tianon/latex
 
@@ -10,84 +31,84 @@ before_script:
 .make: &make |
     make -C $CI_JOB_NAME
 
-
 AuD:
   script:
         *make
+        - .check_artifacts.sh $CI_JOB_NAME/$aud
   artifacts:
         paths:
-            - $CI_JOB_NAME/aud_zusammenfassung.pdf
+            - $CI_JOB_NAME/$aud
 
 FFI:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/ForensInf2_Zusammenfassung.pdf
+            - $CI_JOB_NAME/$ffi
 
 GDS:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/gds_braindump_ss16.pdf
-            - $CI_JOB_NAME/gds_braindump_ss17.pdf
+            - $CI_JOB_NAME/$gds1
+            - $CI_JOB_NAME/$gds2
 
 GTI:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/gti_zusammenfassung.pdf
+            - $CI_JOB_NAME/$gti
 
 IDB:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/idb_skript_greeny/IDB.pdf
-            - $CI_JOB_NAME/klausur_ws1516/klausur_idb_WS1516.pdf
-            - $CI_JOB_NAME/klausur_ws16/klausur_idb_SS16.pdf
-            - $CI_JOB_NAME/klausur_ws16/klausur_idb_SS16_ML.pdf
+            - $CI_JOB_NAME/$idb1
+            - $CI_JOB_NAME/$idb2
+            - $CI_JOB_NAME/$idb3
+            - $CI_JOB_NAME/$idb4
 
 KonzMod:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/konzmod_zusammenfassung.pdf
+            - $CI_JOB_NAME/$konzmod
 
 MatheC1:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/mathec1_zussammenfassung.pdf
+            - $CI_JOB_NAME/$mathec1
 
 MatheC4:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/MaC4Cheatsheet.pdf
+            - $CI_JOB_NAME/$mathec4
 
 RK:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/KlausurLV_SS14_September.pdf
-            - $CI_JOB_NAME/KlausurLV_WS1415_Maerz.pdf
+            - $CI_JOB_NAME/$rk1
+            - $CI_JOB_NAME/$rk2
 
 ThProg:
   script:
         *make
   artifacts:
         paths:
-            - $CI_JOB_NAME/Koinduktion_reduktion.pdf
-            - $CI_JOB_NAME/Konfluenz.pdf
-            - $CI_JOB_NAME/Polynomordnung.pdf
-            - $CI_JOB_NAME/PumpingLemma.pdf
-            - $CI_JOB_NAME/Strukturelle_Induktion.pdf
-            - $CI_JOB_NAME/SystemF.pdf
-            - $CI_JOB_NAME/ThProgCheatsheet.pdf
+            - $CI_JOB_NAME/$thprog1
+            - $CI_JOB_NAME/$thprog2
+            - $CI_JOB_NAME/$thprog3
+            - $CI_JOB_NAME/$thprog4
+            - $CI_JOB_NAME/$thprog5
+            - $CI_JOB_NAME/$thprog6
+            - $CI_JOB_NAME/$thprog7