addet forgejo-runner installation script

installs/forgejo-runner.sh

@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+# ─< ANSI color codes >───────────────────────────────────────────────────────────────────
+RED='\033[0;31m'
+CYAN='\033[0;36m'
+YELLOW='\033[0;33m'
+LIGHT_GREEN='\033[0;92m'
+BOLD='\033[1m'
+NC='\033[0m'
+
+# ─< Initialize storage variables >───────────────────────────────────────────────────────
+_STORED_ERRORS=""
+_STORED_WARNINGS=""
+_STORED_INFOS=""
+_STORED_NOTES=""
+
+# ─< echo functions that store and display messages >────────────────────────────
+echo_error() {
+  local message="${RED}$1${NC}\n"
+  printf "$message" >&2
+  _STORED_ERRORS="${_STORED_ERRORS}${message}"
+}
+
+echo_warning() {
+  local message="${YELLOW}$1${NC}\n"
+  printf "$message"
+  _STORED_WARNINGS="${_STORED_WARNINGS}${message}"
+}
+
+echo_info() {
+  local message="${CYAN}$1${NC}\n"
+  printf "$message"
+  _STORED_INFOS="${_STORED_INFOS}${message}"
+}
+
+echo_note() {
+  local message="${LIGHT_GREEN}$1${NC}\n"
+  printf "$message"
+  _STORED_NOTES="${_STORED_NOTES}${message}"
+}
+
+# ─< Improved display function that only shows categories with content >──────────────────
+display_stored_messages() {
+  local has_messages=0
+
+  # ─< First check if we have any messages at all >─────────────────────────────────────────
+  if [ -z "$_STORED_ERRORS" ] && [ -z "$_STORED_WARNINGS" ] && [ -z "$_STORED_INFOS" ] && [ -z "$_STORED_NOTES" ]; then
+    return 0
+  fi
+
+  # ─< Now display each non-empty category with proper spacing >────────────────────────────
+  if [ -n "$_STORED_ERRORS" ]; then
+    printf "\n${BOLD}${RED}=== Errors ===${NC}\n"
+    printf "$_STORED_ERRORS"
+    has_messages=1
+  fi
+
+  if [ -n "$_STORED_WARNINGS" ]; then
+    [ "$has_messages" -eq 1 ] && printf "\n"
+    printf "${BOLD}${YELLOW}=== Warnings ===${NC}\n"
+    printf "$_STORED_WARNINGS"
+    has_messages=1
+  fi
+
+  if [ -n "$_STORED_INFOS" ]; then
+    [ "$has_messages" -eq 1 ] && printf "\n"
+    printf "${BOLD}${CYAN}=== Info ===${NC}\n"
+    printf "$_STORED_INFOS"
+    has_messages=1
+  fi
+
+  if [ -n "$_STORED_NOTES" ]; then
+    [ "$has_messages" -eq 1 ] && printf "\n"
+    printf "${BOLD}${LIGHT_GREEN}=== Notes ===${NC}\n"
+    printf "$_STORED_NOTES"
+  fi
+}
+
+_exit() {
+  display_stored_messages
+  exit 1
+}
+
+# ─< Check if the given command exists silently >─────────────────────────────────────────
+command_exists() {
+  command -v "$@" >/dev/null 2>&1
+}
+
+# ─< Check if the user is root and set sudo variable if necessary >───────────────────────
+check_root() {
+  if [ "$(id -u)" -ne 0 ]; then
+    if command_exists sudo; then
+      echo_info "User is not root. Using sudo for privileged operations."
+      _sudo="sudo"
+    else
+      echo_error "No sudo found and you're not root! Can't install packages."
+      return 1
+    fi
+  else
+    echo_info "Root access confirmed."
+    _sudo=""
+  fi
+}
+
+getRunner() {
+  #                ╭─────────────────────────────────────────────────────────╮
+  #                │            should output something like this            │
+  #                │ ╭─────────────────────────────────────────────────────╮ │
+  #                │ │ Good signature from "Forgejo <contact@forgejo.org>" │ │
+  #                │ │ aka "Forgejo Releases <release@forgejo.org>"        │ │
+  #                │ ╰─────────────────────────────────────────────────────╯ │
+  #                ╰─────────────────────────────────────────────────────────╯
+  #
+  # ─< get the runner version >─────────────────────────────────────────────────────────────
+  export RUNNER_VERSION=$(curl -X 'GET' https://data.forgejo.org/api/v1/repos/forgejo/runner/releases/latest | jq .name -r | cut -c 2-)
+  # ─< get the runner binary >──────────────────────────────────────────────────────────────
+  wget -O forgejo-runner https://code.forgejo.org/forgejo/runner/releases/download/v${RUNNER_VERSION}/forgejo-runner-${RUNNER_VERSION}-linux-amd64
+  # ─< make it executable >─────────────────────────────────────────────────────────────────
+  chmod +x forgejo-runner
+  # ─< get the verification hashes >────────────────────────────────────────────────────────
+  wget -O forgejo-runner.asc https://code.forgejo.org/forgejo/runner/releases/download/v${RUNNER_VERSION}/forgejo-runner-${RUNNER_VERSION}-linux-amd64.asc
+  gpg --keyserver keys.openpgp.org --recv EB114F5E6C0DC2BCDD183550A4B61A2DC5923710
+  gpg --verify forgejo-runner.asc forgejo-runner
+}
+
+userCreation() {
+  $_sudo useradd --create-home runner
+  $_sudo usermod -aG docker runner
+}
+
+envCheck() {
+  if ! command_exists curl; then
+    echo_error "You have no curl installed"
+    _exit
+  fi
+
+  if ! command_exists wget; then
+    echo_error "You have no wget installed"
+    _exit
+  fi
+
+  if ! command_exists docker; then
+    echo_warning "Sorry, you have no docker installed.."
+    _exit
+  fi
+
+  if command_exists forgejo-runner; then
+    echo_warning "forgejo-runner binary is already callable.."
+    _exit
+  fi
+}
+
+if envCheck; then
+  getRunner
+  if ! grep -iq "runner" /etc/passwd; then
+    userCreation
+  fi
+
+  forgejo-runner generate-config >config.yml && $_sudo rsync -avP config.yml /home/runner/config.yml
+fi