From 035318d507ba0d19e0d323d909ed36226a825cba Mon Sep 17 00:00:00 2001
From: Tim <tim@gigalixir.com>
Date: Wed, 13 May 2026 10:06:28 -0500
Subject: [PATCH] feat: gigalixir-26 stack support

---
 README.md                | 3 ++-
 lib/canonical_version.sh | 7 +++++++
 test/erlang_funcs.sh     | 8 ++++++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ed584d0..3cba784 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@
     * gigalixir-20 stack: https://builds.hex.pm/builds/otp/ubuntu-20.04/builds.txt
     * gigalixir-22 stack: https://builds.hex.pm/builds/otp/ubuntu-22.04/builds.txt
     * gigalixir-24 stack: https://builds.hex.pm/builds/otp/ubuntu-24.04/builds.txt
+    * gigalixir-26 stack: https://builds.hex.pm/builds/otp/ubuntu-26.04/builds.txt
     * All other stacks: https://github.com/gigalixir/gigalixir-buildpack-elixir-otp-builds/blob/main/otp-versions
 * Elixir - Prebuilt releases (1.0.4, 1.0.3, etc) or prebuilt branches (master, v1.7, etc)
   * The full list of releases can be found here: https://github.com/elixir-lang/elixir/releases
@@ -109,7 +110,7 @@ erlang_version=18.2.1
 ## Tests
 
 Tests are available in the [test](test) directory.
-To run all tests, use `for tst in test/*; do $tst; done`.
+To run all tests, use `make test`.
 
 
 ## Credits
diff --git a/lib/canonical_version.sh b/lib/canonical_version.sh
index 8371737..02aa282 100755
--- a/lib/canonical_version.sh
+++ b/lib/canonical_version.sh
@@ -11,6 +11,9 @@ erlang_builds_url() {
     "heroku-24")
       erlang_builds_url="https://builds.hex.pm/builds/otp/ubuntu-24.04"
       ;;
+    "heroku-26")
+      erlang_builds_url="https://builds.hex.pm/builds/otp/ubuntu-26.04"
+      ;;
     *)
       erlang_builds_url="https://s3.amazonaws.com/heroku-buildpack-elixir/erlang/cedar-14"
       ;;
@@ -39,6 +42,10 @@ fetch_erlang_versions() {
       url="https://builds.hex.pm/builds/otp/ubuntu-24.04/builds.txt"
       curl -s "$url" | awk '/^OTP-([0-9.]+ )/ {print substr($1,5)}' > /tmp/otp_versions
       ;;
+    "heroku-26")
+      url="https://builds.hex.pm/builds/otp/ubuntu-24.04/builds.txt"
+      curl -s "$url" | awk '/^OTP-([0-9.]+ )/ {print substr($1,5)}' > /tmp/otp_versions
+      ;;
     *)
       url="https://raw.githubusercontent.com/HashNuke/heroku-buildpack-elixir-otp-builds/master/otp-versions"
       curl -s "$url" > /tmp/otp_versions
diff --git a/test/erlang_funcs.sh b/test/erlang_funcs.sh
index 001c437..91cced5 100755
--- a/test/erlang_funcs.sh
+++ b/test/erlang_funcs.sh
@@ -57,6 +57,14 @@ suite "erlang_builds_url"
     [ "$result" == "https://builds.hex.pm/builds/otp/ubuntu-24.04" ]
 
 
+  test "returns heroku-26 URL"
+
+    STACK="heroku-26"
+    result=$(erlang_builds_url)
+
+    [ "$result" == "https://builds.hex.pm/builds/otp/ubuntu-26.04" ]
+
+
   test "returns cedar-14 URL for unknown stack"
 
     STACK="unknown-stack"