Add direnv.net feature (apt)

README.md

@@ -27,6 +27,7 @@
 | [delta](https://github.com/devcontainer-community/devcontainer-features/tree/main/src/delta) | `delta` — syntax-highlighting pager for git diffs | gh release | 1.0.0 |
 | [deno.com](https://github.com/devcontainer-community/devcontainer-features/tree/main/src/deno.com) | `deno` — secure TypeScript/JavaScript runtime | curl | 1.0.0 |
 | [devenv.sh](https://github.com/devcontainer-community/devcontainer-features/tree/main/src/devenv.sh) | `devenv` — reproducible developer environments via Nix | nix | 1.0.0 |
+| [direnv.net](https://github.com/devcontainer-community/devcontainer-features/tree/main/src/direnv.net) | `direnv` — environment switcher that loads and unloads variables based on the current directory | apt | 1.0.0 |
 | [diffity.com](https://github.com/devcontainer-community/devcontainer-features/tree/main/src/diffity.com) | `diffity` — agent-agnostic GitHub-style diff viewer and code review tool | npm | 1.0.0 |
 | [dolthub.com](https://github.com/devcontainer-community/devcontainer-features/tree/main/src/dolthub.com) | `dolt` — SQL database with Git-style versioning | gh release | 1.0.0 |
 | [dolthub.com/doltgres](https://github.com/devcontainer-community/devcontainer-features/tree/main/src/dolthub.com-doltgres) | `doltgres` — version-controlled PostgreSQL-compatible database | gh release | 1.0.0 |

src/direnv.net/NOTES.md

@@ -0,0 +1,17 @@
+# direnv.net
+
+## Project
+
+- [direnv](https://direnv.net/)
+
+## Description
+
+An environment switcher for the shell. `direnv` loads and unloads environment variables based on the current directory, allowing per-project environment configuration via `.envrc` files.
+
+## Installation Method
+
+Installed via the system APT package manager (`apt-get install direnv`).
+
+## Other Notes
+
+_No additional notes._

src/direnv.net/devcontainer-feature.json

@@ -0,0 +1,17 @@
+{
+    "name": "direnv.net",
+    "id": "direnv.net",
+    "version": "1.0.0",
+    "description": "Install \"direnv\" binary",
+    "documentationURL": "https://github.com/devcontainer-community/devcontainer-features/tree/main/src/direnv.net",
+    "options": {
+        "version": {
+            "type": "string",
+            "default": "latest",
+            "proposals": [
+                "latest"
+            ],
+            "description": "Currently unused. direnv is installed via the system package manager."
+        }
+    }
+}

src/direnv.net/install.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+set -o errexit
+set -o pipefail
+set -o noclobber
+set -o nounset
+set -o allexport
+readonly name="direnv"
+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 direnv
+    apt_get_cleanup
+}
+echo_banner "devcontainer.community"
+echo "Installing $name..."
+install "$@"
+echo "(*) Done!"

test/direnv.net/test.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+# See https://github.com/devcontainers/cli/blob/HEAD/docs/features/test.md#dev-container-features-test-lib
+# Provides the 'check' and 'reportResults' commands.
+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 "direnv version"
+
+# Report results
+# If any of the checks above exited with a non-zero exit code, the test will fail.
+reportResults