From 5d41a9f7ca9918c7cab31c5d2c3bc714a5af9af3 Mon Sep 17 00:00:00 2001
From: saratomaz <sara.tomaz@iohk.io>
Date: Fri, 30 Jan 2026 11:10:30 +0000
Subject: [PATCH] Integrate acropolis node

---
 .github/regression.sh       | 16 ++++++++++++++++
 .github/source_acropolis.sh | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 .github/source_acropolis.sh

diff --git a/.github/regression.sh b/.github/regression.sh
index 8ceae7d4d..a1f366304 100755
--- a/.github/regression.sh
+++ b/.github/regression.sh
@@ -129,6 +129,22 @@ case "${CARDANO_CLI_REV:-}" in
     ;;
 esac
 
+# setup acropolis (disabled by default)
+case "${ACROPOLIS_REV:-}" in
+  "" )
+    ;;
+  "none" )
+    unset ACROPOLIS_REV
+    ;;
+  * )
+    # shellcheck disable=SC1090,SC1091
+    . .github/source_acropolis.sh
+    acropolis_build "$ACROPOLIS_REV"
+    PATH_PREPEND="$(acropolis_print_path_prepend "")${PATH_PREPEND}"
+    export PATH_PREPEND
+    ;;
+esac
+
 # setup cardano-node binaries
 case "${NODE_REV:-}" in
   "" | "none" )
diff --git a/.github/source_acropolis.sh b/.github/source_acropolis.sh
new file mode 100644
index 000000000..df46b8f7b
--- /dev/null
+++ b/.github/source_acropolis.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+set -Eeuo pipefail
+
+# Build Acropolis (omnibus) into $WORKDIR/acropolis-build<postfix>
+acropolis_build() {
+  local acropolis_rev="${1:?}"
+  local origpwd="$PWD"
+
+  cd "$WORKDIR" || return 1
+
+  nix build \
+    --accept-flake-config \
+    --no-write-lock-file \
+    "github:input-output-hk/acropolis?ref=${acropolis_rev}#acropolis-process-omnibus" \
+    -o acropolis-build || { cd "$origpwd" || true; return 1; }
+
+  [ -x acropolis-build/bin/acropolis-process-omnibus ] || { cd "$origpwd" || true; return 1; }
+
+  cd "$origpwd" || return 1
+}
+
+# Print PATH to prepend for the acropolis build output.
+acropolis_print_path_prepend() {
+  local origpwd="$PWD"
+
+  cd "$WORKDIR" || return 1
+
+  local bin_dir
+  bin_dir="$(readlink -m "acropolis-build/bin")" || { cd "$origpwd" || true; return 1; }
+
+  cd "$origpwd" || return 1
+  echo "${bin_dir}:"
+}