From 078fe7d04b3e8fd2321ca5abe2ff50c341978200 Mon Sep 17 00:00:00 2001
From: Santiago Carmuega <santiago@carmuega.me>
Date: Fri, 8 Nov 2024 08:29:28 -0300
Subject: [PATCH] ci: allow custom branch for hydra docker build (#3)

---
 .github/workflows/hydra.yml | 13 +++++++++++--
 docker/dockerfile.hydra     |  4 +++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/hydra.yml b/.github/workflows/hydra.yml
index 5a21f4f..bf00927 100644
--- a/.github/workflows/hydra.yml
+++ b/.github/workflows/hydra.yml
@@ -7,7 +7,13 @@ on:
     paths:
       - ".github/workflows/hydra.yml"
       - "docker/dockerfile.hydra"
-  workflow_dispatch: {}
+  workflow_dispatch:
+    inputs:
+      HCP_BRANCH:
+        description: "Hydra Control Plane branch to build"
+        required: false
+        type: string
+        default: "main"
 
 jobs:
   build-images:
@@ -38,4 +44,7 @@ jobs:
           file: ${{ matrix.file }}
           platforms: linux/amd64
           push: true
-          tags: ghcr.io/${{ matrix.endpoint }},ghcr.io/${{ matrix.endpoint }}:${{ github.sha }}
+          build-args: BRANCH=${{ github.event.inputs.HCP_BRANCH }}
+          tags:
+            ghcr.io/${{ matrix.endpoint }},ghcr.io/${{ matrix.endpoint }}:${{
+            github.sha }}
diff --git a/docker/dockerfile.hydra b/docker/dockerfile.hydra
index 1037997..82088cd 100644
--- a/docker/dockerfile.hydra
+++ b/docker/dockerfile.hydra
@@ -1,10 +1,12 @@
 ARG RUST_VERSION=1.81.0
+ARG BRANCH=main
+
 FROM rust:${RUST_VERSION}-slim-bullseye AS build
 WORKDIR /app
 
 RUN apt-get update && apt-get install -y libssl-dev pkg-config git ca-certificates
 RUN git clone https://github.com/cardano-scaling/hydra-control-plane.git
-# RUN cd hydra-control-plane && git checkout chore/use-hydra-vk-instead-of-bytes
+RUN cd hydra-control-plane && git checkout ${BRANCH}
 
 WORKDIR /app/hydra-control-plane
 RUN cargo build --locked --release