From f701e9859d9bab62595726a110290c0cab307465 Mon Sep 17 00:00:00 2001
From: John Hollowell <johnahollowell@gmail.com>
Date: Tue, 5 Sep 2023 21:49:17 +0000
Subject: [PATCH 1/2] Add devcontainer

---
 .devcontainer/Dockerfile        |  9 +++++++++
 .devcontainer/devcontainer.json | 14 ++++++++++++++
 .devcontainer/setup.sh          |  7 +++++++
 3 files changed, 30 insertions(+)
 create mode 100644 .devcontainer/Dockerfile
 create mode 100644 .devcontainer/devcontainer.json
 create mode 100755 .devcontainer/setup.sh

diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..769ba7e
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,9 @@
+ARG VARIANT=1
+FROM mcr.microsoft.com/devcontainers/go:${VARIANT}
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  libegl1-mesa-dev \
+  libgles2-mesa-dev \
+  libx11-dev \
+  xvfb \
+  && rm -rf /var/lib/apt/lists/*
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..70f8985
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,14 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/go
+{
+	"name": "golang.design: clipboard",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			"VARIANT": "1.21-bookworm"
+		}
+	},
+	// Install dependencies and other setup tasks
+	"postCreateCommand": ".devcontainer/setup.sh",
+	"remoteUser": "vscode"
+}
diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
new file mode 100755
index 0000000..f553ae3
--- /dev/null
+++ b/.devcontainer/setup.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# install module dependencies
+go get
+
+# install clipboard
+go install golang.design/x/clipboard/cmd/gclip@latest

From 8de45064939d9fcf57b8481d987c85e60bc41b17 Mon Sep 17 00:00:00 2001
From: John Hollowell <johnahollowell@gmail.com>
Date: Thu, 7 Sep 2023 22:11:53 +0000
Subject: [PATCH 2/2] Add support for devcontainer environments without default
 display

If the devcontainer is running on a headless system, there is no DISPLAY to pass into the container.
This change adds a virtual display/framebuffer for X11 to use to associate with the clipboard
---
 .devcontainer/Dockerfile           |  8 ++++++++
 .devcontainer/devcontainer.json    |  3 +++
 .devcontainer/docker-entrypoint.sh | 12 ++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100755 .devcontainer/docker-entrypoint.sh

diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 769ba7e..bf2488f 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -7,3 +7,11 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   libx11-dev \
   xvfb \
   && rm -rf /var/lib/apt/lists/*
+
+# run virtual display init on start of the container
+COPY .devcontainer/docker-entrypoint.sh /
+RUN chmod +x /docker-entrypoint.sh
+ENTRYPOINT [ "/docker-entrypoint.sh" ]
+
+# keep the container running since the devcontainer will start its own processes
+CMD [ "sleep", "infinity" ]
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 70f8985..53951da 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -3,6 +3,7 @@
 {
 	"name": "golang.design: clipboard",
 	"build": {
+		"context": "..",
 		"dockerfile": "Dockerfile",
 		"args": {
 			"VARIANT": "1.21-bookworm"
@@ -10,5 +11,7 @@
 	},
 	// Install dependencies and other setup tasks
 	"postCreateCommand": ".devcontainer/setup.sh",
+	// Allow the Dockerfile's command to run (creates virtual display for X11 to support clipboard)
+	"overrideCommand": false,
 	"remoteUser": "vscode"
 }
diff --git a/.devcontainer/docker-entrypoint.sh b/.devcontainer/docker-entrypoint.sh
new file mode 100755
index 0000000..60d5a1c
--- /dev/null
+++ b/.devcontainer/docker-entrypoint.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+echo "Running docker-entrypoint.sh"
+
+# create a virtual frame buffer for X11
+nohup Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
+
+export DISPLAY=:99.0
+echo "export DISPLAY=:99.0" > /etc/profile.d/01-export-virtual-display.sh
+chmod +x /etc/profile.d/01-export-virtual-display.sh
+
+exec "$@"