ci: Conditional nogil builds

Author: enwask

.github/workflows/docker-bases.yml

@@ -14,6 +14,9 @@ on:
       - "/docker/Dockerfile.nogil"
   workflow_dispatch:
     inputs:
+      nogil:
+        type: boolean
+        default: false
       cpu:
         type: boolean
         default: false
@@ -38,6 +41,7 @@ jobs:
   ########### Free-threaded Python meta-base ############
   #######################################################
   deploy-nogil-base:
+    if: inputs.nogil
     name: "python-nogil-base"
     runs-on: ubuntu-latest
     env:
@@ -84,13 +88,17 @@ jobs:
     strategy:
       matrix:
         gcc: ["", "14"]
+        build-nogil: ${{ inputs.nogil }}
         include:
           - disable-gil: false
             build-args: ""
             suffix: ""
           - disable-gil: true
             build-args: "base=devitocodes/bases:python-nogil"
             suffix: "-nogil"
+        exclude:
+          - build-nogil: false
+            disable-gil: true
 
     steps:
       - name: Checkout devito
@@ -135,13 +143,17 @@ jobs:
 
     strategy:
       matrix:
+        build-nogil: ${{ inputs.nogil }}
         include:
           - disable-gil: false
             build-args: ""
             suffix: ""
           - disable-gil: true
             build-args: "base=devitocodes/bases:python-nogil"
             suffix: "-nogil"
+        exclude:
+          - build-nogil: false
+            disable-gil: true
 
     steps:
       - name: Checkout devito
@@ -211,13 +223,17 @@ jobs:
 
     strategy:
       matrix:
+        build-nogil: ${{ inputs.nogil }}
         include:
           - disable-gil: false
             build-args: ""
             suffix: ""
           - disable-gil: true
             build-args: "base=devitocodes/bases:python-nogil"
             suffix: "-nogil"
+        exclude:
+          - build-nogil: false
+            disable-gil: true
 
     steps:
       - name: Checkout devito
@@ -291,13 +307,17 @@ jobs:
 
     strategy:
       matrix:
+        build-nogil: ${{ inputs.nogil }}
         include:
           - disable-gil: false
             build-args: ""
             suffix: ""
           - disable-gil: true
             build-args: "base=devitocodes/bases:python-nogil"
             suffix: "-nogil"
+        exclude:
+          - build-nogil: false
+            disable-gil: true
 
     steps:
       - name: Checkout devito