From 2c78c731f7fcc62f39736f02c4803ddb9f5285f3 Mon Sep 17 00:00:00 2001
From: Wojtek Mach <wojtekmach@users.noreply.github.com>
Date: Fri, 30 Jun 2023 14:23:17 +0200
Subject: [PATCH] Build Elixir main docs with ExDoc main (#12736)

---
 .github/workflows/release_pre_built/action.yml | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/release_pre_built/action.yml b/.github/workflows/release_pre_built/action.yml
index dcd5c06640..2ed8a403d5 100644
--- a/.github/workflows/release_pre_built/action.yml
+++ b/.github/workflows/release_pre_built/action.yml
@@ -36,17 +36,21 @@ runs:
         mv lib/elixir/scripts/windows_installer/tmp/elixir-otp-${{ inputs.otp }}.exe .
         shasum -a 1   elixir-otp-${{ inputs.otp }}.exe > elixir-otp-${{ inputs.otp }}.exe.sha1sum
         shasum -a 256 elixir-otp-${{ inputs.otp }}.exe > elixir-otp-${{ inputs.otp }}.exe.sha256sum
-    - name: Get latest stable ExDoc version
-      if: ${{ inputs.build_docs }}
+    - name: Get ExDoc ref
+      if: ${{ inputs.build_docs && github.ref_name != "main" }}
       shell: bash
       run: |
-        EX_DOC_LATEST_STABLE_VERSION=$(curl -s https://hex.pm/api/packages/ex_doc | jq --raw-output '.latest_stable_version')
-        echo "EX_DOC_LATEST_STABLE_VERSION=${EX_DOC_LATEST_STABLE_VERSION}" >> $GITHUB_ENV
+        if [ "${{ github.ref_name }}" = "main" ]; then
+          ref=main
+        else
+          ref=v$(curl -s https://hex.pm/api/packages/ex_doc | jq --raw-output '.latest_stable_version')
+        fi
+        echo "EX_DOC_REF=$ref" >> $GITHUB_ENV
     - uses: actions/checkout@v3
       if: ${{ inputs.build_docs }}
       with:
         repository: elixir-lang/ex_doc
-        ref: v${{ env.EX_DOC_LATEST_STABLE_VERSION }}
+        ref: ${{ env.EX_DOC_REF }}
         path: ex_doc
     - name: Build ex_doc
       if: ${{ inputs.build_docs }}