From 8a1723746520d68b45eadf02b90b73f0ba540178 Mon Sep 17 00:00:00 2001
From: Svetlin Ralchev <iamralch@users.noreply.github.com>
Date: Thu, 11 Dec 2025 08:14:28 +0400
Subject: [PATCH] feat(opencode): add devcontainer feature support

introduce opencode feature with metadata, docs, and install script
to bundle the open source coding agent.
add scenario and CLI smoke test to validate opencode usage.
extend CI matrices so opencode builds alongside atlas and starship.

Signed-off-by: Svetlin Ralchev <iamralch@users.noreply.github.com>
---
 .github/workflows/ci.yaml              |  2 ++
 src/opencode/README.md                 | 23 +++++++++++++++++++++
 src/opencode/devcontainer-feature.json | 17 ++++++++++++++++
 src/opencode/install.sh                | 28 ++++++++++++++++++++++++++
 test/opencode/scenarios.json           |  1 +
 test/opencode/test.sh                  | 16 +++++++++++++++
 6 files changed, 87 insertions(+)
 create mode 100644 src/opencode/README.md
 create mode 100644 src/opencode/devcontainer-feature.json
 create mode 100644 src/opencode/install.sh
 create mode 100644 test/opencode/scenarios.json
 create mode 100644 test/opencode/test.sh

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ebe0dd9..f686bef 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,6 +14,7 @@ jobs:
         features:
           - atlas
           - starship
+          - opencode
         baseImage:
           - debian:latest
           - ubuntu:latest
@@ -32,6 +33,7 @@ jobs:
         features:
           - atlas
           - starship
+          - opencode
     steps:
       - uses: actions/checkout@v4
       - name: "Install latest devcontainer CLI"
diff --git a/src/opencode/README.md b/src/opencode/README.md
new file mode 100644
index 0000000..217c23a
--- /dev/null
+++ b/src/opencode/README.md
@@ -0,0 +1,23 @@
+# opencode
+
+The open source coding agent.
+
+## Example Usage
+
+```json
+"features": {
+    "ghcr.io/devcontainers-features/collection/opecode:1": {
+        "version": "latest"
+    }
+}
+```
+
+## Options
+
+| Options Id | Description                    | Type   | Default Value |
+| ---------- | ------------------------------ | ------ | ------------- |
+| version    | Select the version to install. | string | latest        |
+
+---
+
+_Note: This file was auto-generated from the [devcontainer-feature.json](https://github.com/devcontainers/feature-starter/blob/main/src/color/devcontainer-feature.json). Add additional notes to a `NOTES.md`._
diff --git a/src/opencode/devcontainer-feature.json b/src/opencode/devcontainer-feature.json
new file mode 100644
index 0000000..038e958
--- /dev/null
+++ b/src/opencode/devcontainer-feature.json
@@ -0,0 +1,17 @@
+{
+  "id": "opencode",
+  "name": "OpenCode",
+  "version": "0.0.1",
+  "description": "The open source coding agent.",
+  "documentationURL": "https://github.com/devcontainers-features/collection/tree/main/src/opencode",
+  "options": {
+    "version": {
+      "description": "Select the version to install.",
+      "type": "string",
+      "default": "latest"
+    }
+  },
+  "installsAfter": [
+    "ghcr.io/devcontainers/features/common-utils"
+  ]
+}
diff --git a/src/opencode/install.sh b/src/opencode/install.sh
new file mode 100644
index 0000000..49a755a
--- /dev/null
+++ b/src/opencode/install.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+set -e
+
+apt_get_update() {
+  if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+    echo "Running apt-get update..."
+    apt-get update -y
+  fi
+}
+
+# Checks if packages are installed and installs them if not
+apt_get() {
+  if ! dpkg -s "$@" >/dev/null 2>&1; then
+    apt-get -y install --no-install-recommends "$@"
+  fi
+}
+
+apt_get_update
+apt_get ca-certificates
+apt_get curl
+
+[ "$VERSION" = "latest" ] && unset VERSION
+
+# Install opencode
+curl -fsSL https://opencode.ai/install | bash
+
+# Make opencode available for everybody
+mv "$HOME/.opencode/bin/opencode" /usr/local/bin/opencode
diff --git a/test/opencode/scenarios.json b/test/opencode/scenarios.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/test/opencode/scenarios.json
@@ -0,0 +1 @@
+{}
diff --git a/test/opencode/test.sh b/test/opencode/test.sh
new file mode 100644
index 0000000..95bbe95
--- /dev/null
+++ b/test/opencode/test.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Provides the 'check' and 'reportResults' commands.
+# shellcheck disable=SC1091
+source dev-container-features-test-lib
+
+# Feature-specific tests
+# The 'check' command comes from the dev-container-features-test-lib. Syntax is...
+# check <LABEL> <cmd> [args...]
+check "execute command" bash -c "opencode -h | grep 'start opencode tui'"
+
+# Report results
+# If any of the checks above exited with a non-zero exit code, the test will fail.
+reportResults