From 2b4b938c72141f12109b963f3af54e41f5d9ee8f Mon Sep 17 00:00:00 2001
From: Marten Lohstroh <marten@berkeley.edu>
Date: Thu, 14 Sep 2023 18:20:34 -0700
Subject: [PATCH 1/4] Allow building against lingua-franca fork

---
 .github/workflows/build.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8ea91e0..e66e3cd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,6 +14,9 @@ on:
       lingua-franca-ref:
         type: string
         required: false
+      lingua-franca-repo:
+        type: string
+        required: false
     secrets:
       gpg-passphrase:
         required: false
@@ -45,6 +48,12 @@ jobs:
       - name: Check Maven/Java configuration
         run: mvn -version
         shell: bash
+      - name: Point submodule to given repo
+        run: |
+          git submodule set-url -- org.lflang/lingua-franca https://github.com/${{ inputs.lingua-franca-repo }}
+          git submodule update --init --recursive
+        shell: bash
+        if: ${{ inputs.lingua-franca-repo != '' }}
       - name: Update `lingua-franca` submodule
         run: |
           cd org.lflang/lingua-franca

From d054c087dea3ca6889d54b13521ae5c14b00aadd Mon Sep 17 00:00:00 2001
From: Marten Lohstroh <marten@berkeley.edu>
Date: Thu, 14 Sep 2023 18:31:58 -0700
Subject: [PATCH 2/4] Update submodules recursively

---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e66e3cd..9ce4164 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -60,7 +60,7 @@ jobs:
           git fetch --all
           git checkout ${{ inputs.lingua-franca-ref }}
           git pull
-          git submodule update
+          git submodule update --recursive
         shell: bash
         if: ${{ inputs.lingua-franca-ref != '' }}
       - name: Configure Git for francabot

From 09d1a5fdcf0d2d45d11f641296c99d4bd216a09e Mon Sep 17 00:00:00 2001
From: Marten Lohstroh <marten@berkeley.edu>
Date: Thu, 14 Sep 2023 19:51:05 -0700
Subject: [PATCH 3/4] Add descriptions to inputs

---
 .github/workflows/build.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9ce4164..c3c4c35 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,18 +4,22 @@ on:
   workflow_call:
     inputs:
       nightly:
-        required: false
         type: boolean
+        description: Whether this is a nightly build
+        required: false
         default: false
       upload-artifacts:
         type: boolean
+        description: Whether to upload build artifacts
         required: false
         default: true
       lingua-franca-ref:
         type: string
+        description: Ref of the lingua-franca submodule to check out
         required: false
       lingua-franca-repo:
         type: string
+        description: Full repository name of the form <owner>/<repo>
         required: false
     secrets:
       gpg-passphrase:

From 283e838a3bfa6387ced42f0b1c6128de83a1410a Mon Sep 17 00:00:00 2001
From: Marten Lohstroh <marten@berkeley.edu>
Date: Thu, 14 Sep 2023 19:54:31 -0700
Subject: [PATCH 4/4] Add epoch-ref input

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

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c3c4c35..7da3d0d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,6 +13,11 @@ on:
         description: Whether to upload build artifacts
         required: false
         default: true
+      epoch-ref:
+        type: string
+        description: Ref of the epoch repository to check out
+        required: false
+        default: main
       lingua-franca-ref:
         type: string
         description: Ref of the lingua-franca submodule to check out
@@ -43,6 +48,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: lf-lang/epoch
+          ref: ${{ inputs.epoch-ref }}
           submodules: recursive
           fetch-depth: 0
       - uses: actions/setup-java@v3