feat: add feature-installer feature.

Author: sebst

.github/workflows/test.yaml

@@ -19,6 +19,7 @@ jobs:
           - bun.sh
           - chezmoi.io
           - deno.com
+          - feature-installer
           - nixos.org
           - pkgx.sh
           - smallstep.com
@@ -51,6 +52,7 @@ jobs:
           - bun.sh
           - chezmoi.io
           - deno.com
+          - feature-installer
           - nixos.org
           - pkgx.sh
           - smallstep.com

src/feature-installer/README.md

@@ -0,0 +1,24 @@
+
+# feature-installer
+
+Install "feature-installer" binary
+
+## Example Usage
+
+```json
+"features": {
+    "ghcr.io/devcontainer-community/devcontainer-features/feature-installer:0.0.1": {}
+}
+```
+
+## Options
+
+| Options Id | Description | Type | Default Value |
+|-----|-----|-----|-----|
+| version | Version of "feature-installer" to install. | string | latest |
+
+
+
+---
+
+_Note: This file was auto-generated from the [devcontainer-feature.json](https://github.com/devcontainer-community/devcontainer-features/blob/main/src/feature-installer/devcontainer-feature.json).  Add additional notes to a `NOTES.md`._

src/feature-installer/devcontainer-feature.json

@@ -0,0 +1,17 @@
+{
+    "name": "feature-installer",
+    "id": "feature-installer",
+    "version": "0.0.1",
+    "description": "Install \"feature-installer\" binary",
+    "documentationURL": "https://github.com/devcontainer-community/devcontainer-features/tree/main/src/feature-installer",
+    "options": {
+        "version": {
+            "type": "string",
+            "default": "latest",
+            "proposals": [
+                "latest"
+            ],
+            "description": "Version of \"feature-installer\" to install."
+        }
+    }
+}

src/feature-installer/install.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+set -o errexit
+set -o pipefail
+set -o noclobber
+set -o nounset
+set -o allexport
+readonly name="feature-installer"
+apt_get_update() {
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
+}
+apt_get_checkinstall() {
+    if ! dpkg -s "$@" >/dev/null 2>&1; then
+        apt_get_update
+        DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends --no-install-suggests --option 'Debug::pkgProblemResolver=true' --option 'Debug::pkgAcquire::Worker=1' "$@"
+    fi
+}
+apt_get_cleanup() {
+    apt-get clean
+    rm -rf /var/lib/apt/lists/*
+}
+echo_banner() {
+    local text="$1"
+    echo -e "\e[1m\e[97m\e[41m$text\e[0m"
+}
+install() {
+    apt_get_checkinstall curl ca-certificates
+    su $_REMOTE_USER -c "curl -fsSL http://raw.githubusercontent.com/devcontainer-community/feature-installer/refs/heads/main/scripts/install.sh | sh"
+    apt_get_cleanup
+}
+echo_banner "devcontainer.community"
+echo "Installing $name..."
+install "$@"
+echo "(*) Done!"