feat(agent-arka): add web-dashboard installer and instructions
Public curl|bash path for the daemon + browser UI at :4545. Binaries ship as release assets on this repo (private agent-arka source stays private).
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#!/usr/bin/env bash
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# Agent Arka — daemon + web dashboard installer (Linux / macOS / WSL).
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#
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# curl -fsSL https://git.arka-ai.ru/arka/public/raw/branch/main/agent-arka/install.sh | bash
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#
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# Environment:
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# AGENT_ARKA_VERSION pin a release (e.g. 2026.9.1). Default: newest agent-arka-v* on git.arka-ai.ru/arka/public
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# AGENT_ARKA_HOME data dir. Existing ~/.librefang is reused; else ~/.agent-arka
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# AGENT_ARKA_INSTALL_DIR binary dir (default: $AGENT_ARKA_HOME/bin)
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# AGENT_ARKA_AUTO_START 1/true/yes to run `agent-arka start` when :4545 is free (default: 1)
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# AGENT_ARKA_INIT 1 to run `agent-arka init --quick` when no config.toml exists (default: 1)
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# LIBREFANG_* names for the same keys still work.
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set -euo pipefail
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PUBLIC_API="${AGENT_ARKA_PUBLIC_API:-https://git.arka-ai.ru/api/v1}"
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PUBLIC_DL="${AGENT_ARKA_PUBLIC_DL:-https://git.arka-ai.ru/arka/public/releases/download}"
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REPO="arka/public"
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TAG_PREFIX="agent-arka-v"
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if [[ -t 1 && -z "${NO_COLOR:-}" ]]; then
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C_GREEN=$'\033[32m'
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C_YELLOW=$'\033[33m'
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C_RED=$'\033[31m'
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C_BOLD=$'\033[1m'
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C_RESET=$'\033[0m'
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else
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C_GREEN='' C_YELLOW='' C_RED='' C_BOLD='' C_RESET=''
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fi
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info() { printf '%s\n' "$*"; }
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ok() { printf '%s✓%s %s\n' "$C_GREEN" "$C_RESET" "$*"; }
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warn() { printf '%s⚠%s %s\n' "$C_YELLOW" "$C_RESET" "$*"; }
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die() { printf '%s✗%s %s\n' "$C_RED" "$C_RESET" "$*" >&2; exit 1; }
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brand_env() {
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local suffix="$1"
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local new_name="AGENT_ARKA_${suffix}"
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local old_name="LIBREFANG_${suffix}"
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local value="${!new_name:-}"
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if [[ -n "${value// }" ]]; then
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printf '%s\n' "$value"
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return 0
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fi
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value="${!old_name:-}"
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if [[ -n "${value// }" ]]; then
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printf '%s\n' "$value"
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return 0
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fi
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return 1
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}
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is_on() {
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case "${1:-}" in
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1|true|TRUE|yes|YES|on|ON) return 0 ;;
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*) return 1 ;;
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esac
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}
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detect_platform() {
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local os arch
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os=$(uname -s | tr '[:upper:]' '[:lower:]')
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arch=$(uname -m)
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case "$arch" in
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x86_64|amd64) arch="x86_64" ;;
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aarch64|arm64) arch="aarch64" ;;
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*) die "Unsupported architecture: $arch" ;;
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esac
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case "$os" in
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linux) PLATFORM="linux-${arch}" ;;
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darwin) PLATFORM="darwin-${arch}" ;;
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mingw*|msys*|cygwin*)
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die "On Windows use WSL, then this installer, or wait for the Desktop NSIS build. PowerShell: wsl --install"
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;;
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*) die "Unsupported OS: $os" ;;
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esac
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}
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resolve_home() {
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local override
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if override=$(brand_env HOME 2>/dev/null); then
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HOME_DIR="$override"
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return
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fi
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if [[ -d "${HOME}/.librefang" ]]; then
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HOME_DIR="${HOME}/.librefang"
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return
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fi
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HOME_DIR="${HOME}/.agent-arka"
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}
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port_in_use() {
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local port="$1"
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if command -v ss >/dev/null 2>&1; then
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ss -ltn 2>/dev/null | grep -qE ":${port}([[:space:]]|$)"
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return $?
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fi
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if command -v lsof >/dev/null 2>&1; then
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lsof -iTCP:"$port" -sTCP:LISTEN >/dev/null 2>&1
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return $?
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fi
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(echo >/dev/tcp/127.0.0.1/"$port") >/dev/null 2>&1
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}
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fetch_latest_version() {
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local json tags
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json=$(curl -fsSL "${PUBLIC_API}/repos/${REPO}/releases?limit=50") || die "Cannot list releases at ${PUBLIC_API}/repos/${REPO}/releases"
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tags=$(printf '%s' "$json" | grep -oE '"tag_name":[[:space:]]*"'"${TAG_PREFIX}"'[^"]+"' | sed 's/.*"'"${TAG_PREFIX}"'//;s/"$//' || true)
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if [[ -z "$tags" ]]; then
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die "No ${TAG_PREFIX}* releases on ${REPO} yet"
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fi
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printf '%s\n' "$tags" | head -n 1
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}
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sha256_file() {
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if command -v sha256sum >/dev/null 2>&1; then
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sha256sum "$1" | awk '{print $1}'
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elif command -v shasum >/dev/null 2>&1; then
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shasum -a 256 "$1" | awk '{print $1}'
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else
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die "Need sha256sum or shasum"
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fi
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}
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ensure_path() {
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local bindir="$1"
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case ":$PATH:" in
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*":${bindir}:"*) return 0 ;;
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esac
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local line="export PATH=\"${bindir}:\$PATH\""
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local rc
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for rc in "${HOME}/.zprofile" "${HOME}/.zshrc" "${HOME}/.bash_profile" "${HOME}/.bashrc" "${HOME}/.profile"; do
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[[ -f "$rc" ]] || continue
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if grep -Fqs "$bindir" "$rc"; then
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return 0
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fi
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done
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if [[ -n "${SHELL:-}" && "${SHELL}" == *zsh* ]]; then
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rc="${HOME}/.zshrc"
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else
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rc="${HOME}/.bashrc"
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[[ -f "$rc" ]] || rc="${HOME}/.profile"
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fi
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printf '\n# Agent Arka\n%s\n' "$line" >>"$rc"
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warn "Added ${bindir} to PATH in ${rc} (open a new shell, or: source ${rc})"
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}
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main() {
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printf '%s\n' "${C_BOLD}Agent Arka${C_RESET} — web dashboard installer"
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command -v curl >/dev/null 2>&1 || die "curl is required"
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command -v tar >/dev/null 2>&1 || die "tar is required"
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detect_platform
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resolve_home
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local bindir
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if bindir=$(brand_env INSTALL_DIR 2>/dev/null); then
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:
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else
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bindir="${HOME_DIR}/bin"
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fi
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mkdir -p "$bindir" "$HOME_DIR"
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local version
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if version=$(brand_env VERSION 2>/dev/null); then
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version="${version#v}"
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version="${version#agent-arka-v}"
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info "Using pinned version ${version}"
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else
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info "Resolving latest Agent Arka release…"
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version=$(fetch_latest_version)
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info "Latest: ${version}"
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fi
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local tag="${TAG_PREFIX}${version}"
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local asset="agent-arka-${version}-${PLATFORM}.tar.gz"
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local url="${PUBLIC_DL}/${tag}/${asset}"
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local sums_url="${PUBLIC_DL}/${tag}/SHA256SUMS"
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local tmp
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tmp=$(mktemp -d)
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trap 'rm -rf "$tmp"' EXIT
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info "Downloading ${asset}"
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if ! curl -fL --retry 3 -o "${tmp}/${asset}" "$url"; then
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die "No package for ${PLATFORM} in ${tag}. See https://git.arka-ai.ru/arka/public/releases"
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fi
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curl -fsSL -o "${tmp}/SHA256SUMS" "$sums_url" || die "Missing SHA256SUMS for ${tag}"
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local expected actual
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expected=$(grep -E "[[:space:]]${asset}\$" "${tmp}/SHA256SUMS" | awk '{print $1}' | head -n 1)
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[[ -n "$expected" ]] || die "SHA256SUMS has no entry for ${asset}"
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actual=$(sha256_file "${tmp}/${asset}")
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[[ "$expected" == "$actual" ]] || die "SHA256 mismatch for ${asset} (got ${actual}, want ${expected})"
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ok "Checksum ok"
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tar -xzf "${tmp}/${asset}" -C "$tmp"
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[[ -f "${tmp}/agent-arka" ]] || die "Archive did not contain agent-arka"
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chmod 755 "${tmp}/agent-arka"
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"${tmp}/agent-arka" --version >/dev/null || die "Downloaded binary failed to run on this host"
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cp -f "${tmp}/agent-arka" "${bindir}/agent-arka"
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ln -sfn agent-arka "${bindir}/librefang"
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ok "Installed ${bindir}/agent-arka ($("${bindir}/agent-arka" --version 2>/dev/null | head -n 1))"
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ensure_path "$bindir"
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export PATH="${bindir}:$PATH"
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local do_init do_start
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do_init=$(brand_env INIT 2>/dev/null || echo 1)
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do_start=$(brand_env AUTO_START 2>/dev/null || echo 1)
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if is_on "$do_init" && [[ ! -f "${HOME_DIR}/config.toml" ]]; then
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info "First run: agent-arka init --quick"
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AGENT_ARKA_HOME="${HOME_DIR}" LIBREFANG_HOME="${HOME_DIR}" "${bindir}/agent-arka" init --quick || warn "init --quick failed; run: agent-arka init"
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fi
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if is_on "$do_start"; then
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if port_in_use 4545; then
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warn "Port 4545 is already in use — not starting a second daemon"
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else
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info "Starting daemon"
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AGENT_ARKA_HOME="${HOME_DIR}" LIBREFANG_HOME="${HOME_DIR}" "${bindir}/agent-arka" start || warn "agent-arka start failed"
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fi
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fi
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printf '\n'
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ok "Open the web UI: ${C_BOLD}http://127.0.0.1:4545${C_RESET}"
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info "Sign in with Arka AI (account at https://arka-ai.ru)."
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info "For models, put ARKA_API_KEY in ${HOME_DIR}/secrets.env (create a key at https://arka-ai.ru)."
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info "Docs: https://git.arka-ai.ru/arka/public/src/branch/main/agent-arka"
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}
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if [[ "${AGENT_ARKA_INSTALLER_SOURCE_ONLY:-}" == 1 ]]; then
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return 0 2>/dev/null || true
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fi
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main "$@"
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