From 60d969e8bd4ed8dfb1777548c73189a502a25ecd Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Mon, 24 Feb 2025 16:19:49 +0100
Subject: [PATCH 1/6] Add merge_group event handling

---
 .github/workflows/preview-build.yml | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/preview-build.yml b/.github/workflows/preview-build.yml
index 924bdf7f9..2a1bca308 100644
--- a/.github/workflows/preview-build.yml
+++ b/.github/workflows/preview-build.yml
@@ -36,18 +36,19 @@ jobs:
   build:
     concurrency:
       group: ${{ github.workflow }}-${{ github.event.pull_request.head.ref || github.ref }}
-      cancel-in-progress: ${{ github.event_name == 'pull_request_target' }}
+      cancel-in-progress: ${{ startsWith(github.event_name, 'pull_request') }}
     runs-on: ubuntu-latest
     steps:
 
       - name: Get changed files
-        if: github.event_name == 'pull_request_target'
+        if: startsWith(github.event_name, 'pull_request') || github.event_name == 'merge_group'
         id: check-files
         uses: tj-actions/changed-files@d6e91a2266cdb9d62096cebf1e8546899c6aa18f # v45.0.6
         with:
           files: ${{ inputs.path-pattern != '' && inputs.path-pattern || '**' }}
 
       - name: Free Disk Space
+        if: github.event_name != 'merge_group'
         uses: jlumbroso/free-disk-space@main
         with:
           tool-cache: false
@@ -58,9 +59,9 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha || github.ref }}
           persist-credentials: false
-
+          
       - name: Create Deployment
-        if: github.event_name == 'push' || steps.check-files.outputs.any_changed == 'true'
+        if: github.event_name == 'push' || (steps.check-files.outputs.any_changed == 'true' && startsWith(github.event_name, 'pull_request'))
         uses: actions/github-script@v7
         id: deployment
         env:
@@ -127,7 +128,7 @@ jobs:
           dotnet run --project src/docs-builder -- --strict --path-prefix "${PATH_PREFIX}"
 
       - name: Build documentation
-        if: github.repository != 'elastic/docs-builder' && steps.deployment.outputs.result
+        if: github.repository != 'elastic/docs-builder' && steps.deployment.outputs.result || github.event_name == 'merge_group'
         uses: elastic/docs-builder@main
         continue-on-error: ${{ fromJSON(inputs.continue-on-error != '' && inputs.continue-on-error || 'false') }}
         with:
@@ -135,7 +136,7 @@ jobs:
           strict: ${{ fromJSON(inputs.strict != '' && inputs.strict || 'true') }}
 
       - uses: elastic/docs-builder/actions/validate-inbound-local@main
-        if: ${{ !cancelled() && steps.deployment.outputs.result }}
+        if: ${{ !cancelled() && (steps.deployment.outputs.result || github.event_name == 'merge_group') }}
 
       - uses: elastic/docs-builder/.github/actions/aws-auth@main
         if: ${{ !cancelled() && steps.deployment.outputs.result }}

From 71e3a3eb5f6f35968a7d032e73d186178c6cfd4c Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Mon, 24 Feb 2025 16:21:42 +0100
Subject: [PATCH 2/6] fix

---
 .github/workflows/preview-build.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/preview-build.yml b/.github/workflows/preview-build.yml
index 2a1bca308..0912e2f6b 100644
--- a/.github/workflows/preview-build.yml
+++ b/.github/workflows/preview-build.yml
@@ -66,7 +66,7 @@ jobs:
         id: deployment
         env:
           PR_NUMBER: ${{ github.event.pull_request.number }}
-          REF: ${{ github.event_name == 'pull_request_target' && github.event.pull_request.head.sha || github.ref_name }}
+          REF: ${{ startsWith(github.event_name, 'pull_request') && github.event.pull_request.head.sha || github.ref_name }}
         with:
           result-encoding: string
           script: |
@@ -100,9 +100,15 @@ jobs:
           GITHUB_REF_NAME: ${{ github.ref_name }}
         run: |
           case "${GITHUB_EVENT_NAME}" in
+            "merge_group")
+              echo "PATH_PREFIX=/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" >> $GITHUB_ENV
+              ;;
             "pull_request_target")
               echo "PATH_PREFIX=/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" >> $GITHUB_ENV
               ;;
+            "pull_request")
+              echo "PATH_PREFIX=/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" >> $GITHUB_ENV
+              ;;
             "push")
               echo "PATH_PREFIX=/${GITHUB_REPOSITORY}/tree/${GITHUB_REF_NAME}" >> $GITHUB_ENV
               if [[ ! "${GITHUB_REF_NAME}" =~ ^(main|master|16\.x)$ ]]; then

From e7af1176932325da29ecc8fff92915b0c14f7668 Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Mon, 24 Feb 2025 16:33:20 +0100
Subject: [PATCH 3/6] Checkout before changed-files action

Because the action cannot use GH API for merge_group events
---
 .github/workflows/preview-build.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/preview-build.yml b/.github/workflows/preview-build.yml
index 0912e2f6b..f1d8e3a00 100644
--- a/.github/workflows/preview-build.yml
+++ b/.github/workflows/preview-build.yml
@@ -40,6 +40,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+          persist-credentials: false
+
       - name: Get changed files
         if: startsWith(github.event_name, 'pull_request') || github.event_name == 'merge_group'
         id: check-files

From f335613957ba308a37988b9211bd28da208514e5 Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Mon, 24 Feb 2025 16:39:16 +0100
Subject: [PATCH 4/6] Remove duplicate checkout step

---
 .github/workflows/preview-build.yml | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/.github/workflows/preview-build.yml b/.github/workflows/preview-build.yml
index f1d8e3a00..ab241079b 100644
--- a/.github/workflows/preview-build.yml
+++ b/.github/workflows/preview-build.yml
@@ -58,13 +58,6 @@ jobs:
         uses: jlumbroso/free-disk-space@main
         with:
           tool-cache: false
-
-      - name: Checkout
-        if: github.event_name == 'push' || steps.check-files.outputs.any_changed == 'true'
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.pull_request.head.sha || github.ref }}
-          persist-credentials: false
           
       - name: Create Deployment
         if: github.event_name == 'push' || (steps.check-files.outputs.any_changed == 'true' && startsWith(github.event_name, 'pull_request'))

From 31e49fc217fcd29baab3ed60bb138def5c383ebc Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Mon, 24 Feb 2025 16:46:09 +0100
Subject: [PATCH 5/6] Fix condition

---
 .github/workflows/preview-build.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/preview-build.yml b/.github/workflows/preview-build.yml
index ab241079b..2fcda20b2 100644
--- a/.github/workflows/preview-build.yml
+++ b/.github/workflows/preview-build.yml
@@ -133,7 +133,7 @@ jobs:
           dotnet run --project src/docs-builder -- --strict --path-prefix "${PATH_PREFIX}"
 
       - name: Build documentation
-        if: github.repository != 'elastic/docs-builder' && steps.deployment.outputs.result || github.event_name == 'merge_group'
+        if: github.repository != 'elastic/docs-builder' && (steps.deployment.outputs.result || (steps.check-files.outputs.any_changed == 'true' && github.event_name == 'merge_group'))
         uses: elastic/docs-builder@main
         continue-on-error: ${{ fromJSON(inputs.continue-on-error != '' && inputs.continue-on-error || 'false') }}
         with:
@@ -141,7 +141,7 @@ jobs:
           strict: ${{ fromJSON(inputs.strict != '' && inputs.strict || 'true') }}
 
       - uses: elastic/docs-builder/actions/validate-inbound-local@main
-        if: ${{ !cancelled() && (steps.deployment.outputs.result || github.event_name == 'merge_group') }}
+        if: ${{ !cancelled() && (steps.deployment.outputs.result || (steps.check-files.outputs.any_changed == 'true' && github.event_name == 'merge_group')) }}
 
       - uses: elastic/docs-builder/.github/actions/aws-auth@main
         if: ${{ !cancelled() && steps.deployment.outputs.result }}

From 33822b6fa1f87a920f9be8d587170d0b5f9fa1d5 Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Mon, 24 Feb 2025 16:48:36 +0100
Subject: [PATCH 6/6] Refactor switch case

---
 .github/workflows/preview-build.yml | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/.github/workflows/preview-build.yml b/.github/workflows/preview-build.yml
index 2fcda20b2..94804564d 100644
--- a/.github/workflows/preview-build.yml
+++ b/.github/workflows/preview-build.yml
@@ -99,13 +99,7 @@ jobs:
           GITHUB_REF_NAME: ${{ github.ref_name }}
         run: |
           case "${GITHUB_EVENT_NAME}" in
-            "merge_group")
-              echo "PATH_PREFIX=/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" >> $GITHUB_ENV
-              ;;
-            "pull_request_target")
-              echo "PATH_PREFIX=/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" >> $GITHUB_ENV
-              ;;
-            "pull_request")
+            "merge_group" | "pull_request" | "pull_request_target")
               echo "PATH_PREFIX=/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" >> $GITHUB_ENV
               ;;
             "push")