Add mosh.org devcontainer feature

.github/workflows/test.yaml

@@ -24,6 +24,7 @@ jobs:
           - deno.com
           - feature-installer
           - jj-vcs.dev
+          - mosh.org
           - keybase.io
           - neovim.io
           - nixos.org
@@ -69,6 +70,7 @@ jobs:
           - deno.com
           - feature-installer
           - jj-vcs.dev
+          - mosh.org
           - keybase.io
           - neovim.io
           - nixos.org

src/mosh.org/devcontainer-feature.json

@@ -0,0 +1,7 @@
+{
+    "name": "mosh.org",
+    "id": "mosh.org",
+    "version": "1.0.0",
+    "description": "Install \"mosh\" (mobile shell) binary",
+    "documentationURL": "https://github.com/devcontainer-community/devcontainer-features/tree/main/src/mosh.org"
+}

src/mosh.org/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="mosh"
+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 mosh
+    apt_get_cleanup
+}
+echo_banner "devcontainer.community"
+echo "Installing $name..."
+install "$@"
+echo "(*) Done!"

test/mosh.org/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 "mosh version output" bash -c "mosh --version | grep 'mosh'"
+
+# Report results
+# If any of the checks above exited with a non-zero exit code, the test will fail.
+reportResults