Fix and optimize license check workflow logic

.github/workflows/check_licenses.yml

@@ -1,8 +1,7 @@
 name: Check and update licenses
 
 on:
-  push:
-    branches: [ "main" ]
+  # This workflow is only run on PRs to avoid errors on merge/push to main
   pull_request:
     branches: [ "main" ]
 permissions:
@@ -87,20 +86,18 @@ jobs:
               module load EESSI-extend/${{matrix.EESSI_VERSION}}-easybuild
               which eb
               ${EB:-eb}  --version
-              ${EB:-eb}  --missing --easystack ${easystack_file} 2>&1 | tee ${eb_missing_out}
+              ${EB:-eb}  --missing --easystack ${easystack_file} 2>&1 | tee -a ${eb_missing_out}
 
               exit_code=${PIPESTATUS[0]}
               #echo "exit code for eb --missing --easystack ${easystack_file} is ${exit_code}"
-              grep " required modules missing:" ${eb_missing_out} # > /dev/null
-              exit_code=$?
-
-              if [[ ${exit_code} -eq 0 ]]; then 
+              if grep " required modules missing:" ${eb_missing_out}; then
+
                 echo "missing installations found for ${easystack_file}!" >&2;
                 echo "PROCESS_LICENSES=true" >> $GITHUB_ENV
               else
-                echo "no missing installations found for ${easystack_file}."
-                exit 0
-              fi  
+                echo "No missing installations found for ${easystack_file}."
+                # If 'grep' returns exit code 1, then it jumps to the next easystack_file
+              fi 
           done
 
       - name: Check for software existing in licenses.yml file 

easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.2.0-2023b.yml

@@ -3,4 +3,5 @@ easyconfigs:
   - FEniCS-DOLFINx-Python-0.9.0-foss-2023b.eb:
       options:
         # see https://github.com/easybuilders/easybuild-easyconfigs/pull/25004
-        from-commit: 2ef62609e3e40785dfb28bcb91db143cee5924a5
+        from-commit: 2ef62609e3e40785dfb28bcb91db143cee5924a5
+

easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.3.0-2023b.yml

@@ -3,3 +3,4 @@ easyconfigs:
   - SVT-AV1-3.1.2-GCCcore-13.2.0.eb
   - libaom-3.10.0-GCCcore-13.2.0.eb
   - libvpx-1.15.2-GCCcore-13.2.0.eb
+  - Underworld-2.16.4-foss-2023b-egl.eb

easystacks/software.eessi.io/2025.06/eessi-2025.06-eb-5.2.1-2025a.yml

@@ -23,5 +23,4 @@ easyconfigs:
   - PyQt6-6.9.1-GCCcore-14.2.0.eb
   - VisPy-0.15.2-gfbf-2025a.eb
   - gmsh-4.15.0-foss-2025a.eb
-  - AmberTools-25.2-foss-2025a.eb
-  - GDRCopy-2.4.4-GCCcore-14.2.0.eb
+  - ITK-5.4.5-foss-2025a.eb

easystacks/software.eessi.io/2025.06/eessi-2025.06-eb-5.3.0-2025b.yml

@@ -12,3 +12,7 @@ easyconfigs:
       options:
           # see https://github.com/easybuilders/easybuild-easyconfigs/pull/24956
           from-commit: a3bb54895c3de5600fdfd2893a818378daebc7ee
+  - Qt6-6.9.3-GCCcore-14.3.0.eb:
+      options:
+          # see https://github.com/easybuilders/easybuild-easyconfigs/pull/25901
+          from-commit: 94dcac4c1ac65ea0774fb473ee272251a7554adc