parameterize build for yamls to update

.github/workflows/build.yaml

@@ -1,9 +1,13 @@
-name: Github Actions Demo
-run-name: ${{ github.actor }} is testing out GitHub Actions (on Gitea) 🚀
+name: Build Container and update Flux
 on:
   push:
-    paths-ignore:
-    - k/**
+    branches:
+    - '*'
+    - '!k-*'
+
+env:
+  DEPLOY_MANIFEST: "${{ vars.DEPLOY_MANIFEST || 'deploy.yaml' }}"
+  FLUX_MANIFEST: "${{ vars.FLUX_MANIFEST || 'flux.yaml' }}"
 
 jobs:
   Explore-Gitea-Actions:
@@ -21,14 +25,35 @@ jobs:
             docker tag "`cat iid.txt`" "$DOCKER_REGISTRY/$GITHUB_REPOSITORY:$TAG"
             docker push "$DOCKER_REGISTRY/$GITHUB_REPOSITORY:$TAG"
           done
-          git checkout -B k-$GITHUB_REF_NAME
-          git checkout $GITHUB_REF_NAME
-          git branch -D k-$GITHUB_REF_NAME
-          git checkout -b k-$GITHUB_REF_NAME
-          sed -i -e "s@image: $DOCKER_REGISTRY/$GITHUB_REPOSITORY:.*@image: $DOCKER_REGISTRY/$GITHUB_REPOSITORY:$STAG@" k/runner.yaml
-          sed -i -e "s@branch: .*@k-$GITHUB_REF_NAME@" k/flux.yaml
+
+          BRANCH="$GITHUB_REF_NAME"
+          KBRANCH="k-$GITHUB_REF_NAME"
+
           git config user.name "$GITHUB_REPOSITORY (act)"
           git config user.email "gitea-actions@strudelline.net"
+
+          # ensure the branch exists so we can ensure it's deleted.  no errors at all.
+          git checkout -B "$KBRANCH"
+          git checkout "$BRANCH"
+          git branch -D "$KBRANCH"
+          git checkout -b "$KBRANCH"
+
+          # now fix up the images in k/runner.yaml
+          sed -i -e "s@image: $DOCKER_REGISTRY/$GITHUB_REPOSITORY:.*@image: $DOCKER_REGISTRY/$GITHUB_REPOSITORY:$STAG@" "k/$DEPLOY_MANIFEST"
+          sed -i -e "s@branch: .*@$KBRANCH@" "k/$FLUX_MANIFEST"
+
           git add k
           git commit -m "upgrade runner sts to $STAG"
-          git push -f origin k-$GITHUB_REF_NAME
+          git push -f origin "$KBRANCH"
+
+          # now let's fix the origin branch's flux.yaml if it's needed.
+          # this will only happen once so it's not such an awful UX.
+          git checkout "$BRANCH"
+          sed -i -e "s@branch: .*@$KBRANCH@" "k/$FLUX_MANIFEST"
+
+          if git diff | grep -q .;then
+            echo fixing branch in flux.yaml of the origin branch
+            git add k/flux.yaml
+            git commit -m "fix flux.yaml in $BRANCH"
+            git push
+          fi