fix: separate root requirements and apply per environment

Author: wdconinc

spack-environment/ci/spack.yaml

@@ -2,6 +2,7 @@ spack:
   include:
   - ../concretizer.yaml
   - ../packages.yaml
+  - ../packages_root_without_opengl.yaml
   - ../view.yaml
   concretizer:
     unify: when_possible  # FIXME Using mixture of gcc and clang
@@ -68,11 +69,7 @@ spack:
   - py-toml
   - py-uproot
   - py-vector
-  - root -opengl -webgui
+  - root
   - snakemake
   - spdlog
   - xrootd
-  packages:
-    dd4hep:
-      require:
-      - -ddeve -utilityapps

spack-environment/packages_root_with_opengl.yaml

@@ -0,0 +1,4 @@
+packages:
+  root:
+    require:
+    - +opengl +webgui

spack-environment/packages_root_without_opengl.yaml

@@ -0,0 +1,4 @@
+packages:
+  root:
+    require:
+    - ~opengl ~webgui

spack-environment/xl/spack.yaml

@@ -2,6 +2,7 @@ spack:
   include:
   - ../concretizer.yaml
   - ../packages.yaml
+  - ../packages_root_with_opengl.yaml
   - ../view.yaml
   concretizer:
     unify: when_possible  # FIXME Using mixture of gcc and clang
@@ -116,7 +117,7 @@ spack:
   - py-wurlitzer
   - py-yapf
   - rivet
-  - root +opengl +webgui +x
+  - root
   - sherpa
   - simsipm
   - slurm sysconfdir=/etc/slurm
@@ -127,7 +128,3 @@ spack:
   - valgrind
   - xrootd
   - xeyes
-  packages:
-    dd4hep:
-      require:
-      - +ddeve +utilityapps