fix: preview deployment incorrect branch data

.github/workflows/frontend-deploy.yml

@@ -20,6 +20,14 @@ on:
         required: true
         type: string
         description: 'The environment to deploy to (staging-preview or production-preview)'
+      head_sha:
+        required: false
+        type: string
+        description: 'The commit SHA to deploy (defaults to github.sha)'
+      head_ref:
+        required: false
+        type: string
+        description: 'The branch name to deploy (defaults to github.ref_name)'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ inputs.environment || 'push' }}
@@ -40,12 +48,14 @@ jobs:
 
       - name: Configure environment
         id: meta
+        env:
+          ENV_INPUT: ${{ inputs.environment }}
+          REF: ${{ github.ref }}
+          DEPLOY_SHA: ${{ inputs.head_sha || github.sha }}
         run: |
           echo "cmd=deploy" >> $GITHUB_OUTPUT
 
-          ENV_INPUT="${{ inputs.environment }}"
-          REF="${{ github.ref }}"
-          SHA_SHORT="${GITHUB_SHA::8}"
+          SHA_SHORT="${DEPLOY_SHA::8}"
 
           if [ "$ENV_INPUT" = "staging-preview" ]; then
             echo "env=staging" >> $GITHUB_OUTPUT
@@ -106,8 +116,8 @@ jobs:
         working-directory: ./apps/frontend
         run: pnpm build
         env:
-          CF_PAGES_BRANCH: ${{ github.ref_name }}
-          CF_PAGES_COMMIT_SHA: ${{ github.sha }}
+          CF_PAGES_BRANCH: ${{ inputs.head_ref || github.ref_name }}
+          CF_PAGES_COMMIT_SHA: ${{ inputs.head_sha || github.sha }}
           CF_PAGES_URL: ${{ steps.meta.outputs.url }}
           BUILD_ENV: ${{ steps.meta.outputs.env }}
           PREVIEW: ${{ inputs.environment != '' && 'true' || 'false' }}

.github/workflows/frontend-preview.yml

@@ -24,6 +24,8 @@ jobs:
         environment: [staging-preview, production-preview]
     with:
       environment: ${{ matrix.environment }}
+      head_sha: ${{ github.event.pull_request.head.sha }}
+      head_ref: ${{ github.event.pull_request.head.ref }}
 
   deploy-storybook:
     if: github.repository_owner == 'modrinth' && github.event.pull_request.head.repo.full_name == github.repository
@@ -68,7 +70,9 @@ jobs:
 
       - name: Configure short SHA
         id: meta
-        run: echo "sha_short=${GITHUB_SHA::8}" >> $GITHUB_OUTPUT
+        env:
+          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+        run: echo "sha_short=${HEAD_SHA::8}" >> $GITHUB_OUTPUT
 
       - name: Deploy Storybook preview
         uses: cloudflare/wrangler-action@9acf94ace14e7dc412b076f2c5c20b8ce93c79cd # v3.15.0
@@ -93,6 +97,8 @@ jobs:
 
       - name: Read deployment URLs
         id: urls
+        env:
+          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
         run: |
           STAGING_PREVIEW_URL=$(cat deployment-url-staging-preview.txt)
           PRODUCTION_PREVIEW_URL=$(cat deployment-url-production-preview.txt)
@@ -102,7 +108,7 @@ jobs:
 
           echo "staging-preview-url=$STAGING_PREVIEW_URL" >> $GITHUB_OUTPUT
           echo "production-preview-url=$PRODUCTION_PREVIEW_URL" >> $GITHUB_OUTPUT
-          echo "storybook-preview-url=https://git-${GITHUB_SHA::8}-storybook.modrinth.workers.dev" >> $GITHUB_OUTPUT
+          echo "storybook-preview-url=https://git-${HEAD_SHA::8}-storybook.modrinth.workers.dev" >> $GITHUB_OUTPUT
 
       - name: Find comment
         if: github.event_name == 'pull_request'
@@ -123,7 +129,7 @@ jobs:
           body: |
             ## Frontend previews
 
-            Last deployed commit is [${{ github.sha }}](${{ github.event.pull_request.head.repo.html_url }}/commit/${{ github.sha }})
+            Last deployed commit is [${{ github.event.pull_request.head.sha }}](${{ github.event.pull_request.head.repo.html_url }}/commit/${{ github.event.pull_request.head.sha }})
 
             | Environment | URL |
             |-------------|-----|