Add tmux feature

.github/workflows/test.yaml

@@ -44,6 +44,7 @@ jobs:
           - starship.rs
           - swc.rs
           - tailscale.com
+          - tmux
           - webinstall.dev
           - zellij.dev
           - zyedidia-eget
@@ -96,6 +97,7 @@ jobs:
           - starship.rs
           - swc.rs
           - tailscale.com
+          - tmux
           - webinstall.dev
           - zellij.dev
           - zyedidia-eget

src/tmux/devcontainer-feature.json

@@ -0,0 +1,17 @@
+{
+    "name": "tmux",
+    "id": "tmux",
+    "version": "1.0.0",
+    "description": "Install \"tmux\" terminal multiplexer",
+    "documentationURL": "https://github.com/devcontainer-community/devcontainer-features/tree/main/src/tmux",
+    "options": {
+        "version": {
+            "type": "string",
+            "default": "latest",
+            "proposals": [
+                "latest"
+            ],
+            "description": "Version of \"tmux\" to install (e.g. \"latest\", \"3.5a\", \"3.4\")."
+        }
+    }
+}

src/tmux/install.sh

@@ -0,0 +1,131 @@
+#!/bin/bash
+set -o errexit
+set -o pipefail
+set -o noclobber
+set -o nounset
+set -o allexport
+readonly githubRepository='tmux/tmux'
+readonly binaryName='tmux'
+readonly versionArgument='-V'
+readonly binaryTargetFolder='/usr/local/bin'
+readonly name="${githubRepository##*/}"
+apt_get_update() {
+    if [ "$(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/*
+}
+check_curl_tar_installed() {
+    declare -a requiredAptPackagesMissing=()
+    if ! [ -r '/etc/ssl/certs/ca-certificates.crt' ]; then
+        requiredAptPackagesMissing+=('ca-certificates')
+    fi
+    if ! command -v curl >/dev/null 2>&1; then
+        requiredAptPackagesMissing+=('curl')
+    fi
+    if ! command -v tar >/dev/null 2>&1; then
+        requiredAptPackagesMissing+=('tar')
+    fi
+    declare -i requiredAptPackagesMissingCount=${#requiredAptPackagesMissing[@]}
+    if [ $requiredAptPackagesMissingCount -gt 0 ]; then
+        apt_get_checkinstall "${requiredAptPackagesMissing[@]}"
+        apt_get_cleanup
+    fi
+}
+curl_check_url() {
+    local url=$1
+    local status_code
+    status_code=$(curl -s -o /dev/null -w '%{http_code}' "$url")
+    if [ "$status_code" -ne 200 ] && [ "$status_code" -ne 302 ]; then
+        echo "Failed to download '$url'. Status code: $status_code."
+        return 1
+    fi
+}
+curl_download_stdout() {
+    local url=$1
+    curl \
+        --silent \
+        --location \
+        --output '-' \
+        --connect-timeout 5 \
+        "$url"
+}
+echo_banner() {
+    local text="$1"
+    echo -e "\e[1m\e[97m\e[41m$text\e[0m"
+}
+github_list_releases() {
+    if [ -z "$1" ]; then
+        echo "Usage: list_github_releases <owner/repo>"
+        return 1
+    fi
+    local repo="$1"
+    local url="https://api.github.com/repos/$repo/releases"
+    curl -s "$url" | grep -Po '"tag_name": "\K.*?(?=")' | grep -E '^[0-9]+\.[0-9]+[a-z]?$'
+}
+github_get_latest_release() {
+    if [ -z "$1" ]; then
+        echo "Usage: get_latest_github_release <owner/repo>"
+        return 1
+    fi
+    github_list_releases "$1" | head -n 1
+}
+github_get_tag_for_version() {
+    if [ -z "$1" ] || [ -z "$2" ]; then
+        echo "Usage: github_get_tag_for_version <owner/repo> <version>"
+        return 1
+    fi
+    local repo="$1"
+    local version="$2"
+    local url="https://api.github.com/repos/$repo/releases"
+    local escaped_version
+    escaped_version="$(printf '%s' "$version" | sed 's/\./\\./g')"
+    curl -s "$url" | grep -Po '"tag_name": "\K.*?(?=")' | grep -E "^${escaped_version}$" | head -n 1
+}
+utils_check_version() {
+    local version=$1
+    if ! [[ "${version:-}" =~ ^(latest|[0-9]+\.[0-9]+[a-z]?)$ ]]; then
+        printf >&2 '=== [ERROR] Option "version" (value: "%s") is not "latest" or valid tmux version format "X.Y[a]" !\n' \
+            "$version"
+        exit 1
+    fi
+}
+install() {
+    utils_check_version "$VERSION"
+    check_curl_tar_installed
+    apt_get_checkinstall build-essential pkg-config libevent-dev libncurses-dev bison
+    if [ "$VERSION" == 'latest' ] || [ -z "$VERSION" ]; then
+        VERSION=$(github_get_latest_release "$githubRepository")
+    fi
+    readonly version="${VERSION:?}"
+    readonly releaseTag="$(github_get_tag_for_version "$githubRepository" "$version")"
+    if [ -z "$releaseTag" ]; then
+        printf >&2 '=== [ERROR] Could not find release tag for version "%s" in "%s"!\n' "$version" "$githubRepository"
+        exit 1
+    fi
+    readonly downloadUrl="https://github.com/${githubRepository}/releases/download/${releaseTag}/${name}-${version}.tar.gz"
+    curl_check_url "$downloadUrl"
+    local tmpDir
+    tmpDir=$(mktemp -d)
+    curl_download_stdout "$downloadUrl" | tar -xz -f '-' -C "$tmpDir" --strip-components=1
+    cd "$tmpDir"
+    ./configure --prefix=/usr/local
+    make install
+    cd /
+    rm -rf "$tmpDir"
+    apt_get_cleanup
+}
+echo_banner "devcontainer.community"
+echo "Installing $name..."
+install "$@"
+echo "(*) Done!"

test/tmux/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 "tmux -V | grep 'tmux'"
+
+# Report results
+# If any of the checks above exited with a non-zero exit code, the test will fail.
+reportResults