Add release installer script

Author: vipmax

README.md

@@ -14,7 +14,7 @@
 - **Source control (Git)**: Built-in Changes panel with real-time status updates, per-file revert, commit, push, and pull.
 - **Integrated terminal**: Full-featured terminal emulator with WebSocket-based communication, supporting real-time command execution and output.
 - **Search functionality**: Powerful search capabilities including local search within files and global search across project.
-- **ACP integration**: Agent Client Protocol (ACP) support for seamless integration with AI agents, including tool-call streaming and history-backed undo.
+- **ACP integration**: Agent Client Protocol (ACP) support for seamless integration with AI agents, including tool-call streaming, history-backed undo, session resume, frontend-controlled permission mode, model and reasoning selectors, streamed markdown and code blocks, markdown file links, and improved tool-call diff display.
 
 ## Architecture
 
@@ -29,6 +29,16 @@ The project consists of several packages:
 ## Installation
 ### From releases
 
+One-shot installer:
+```bash
+curl -fsSL https://raw.githubusercontent.com/anycode-ide/anycode/main/install.sh | sh
+```
+
+You can also pin a version:
+```bash
+curl -fsSL https://raw.githubusercontent.com/anycode-ide/anycode/main/install.sh | sh -s -- --version v0.0.7
+```
+
 Linux (x86_64):
 ```bash
 curl -L https://github.com/anycode-ide/anycode/releases/latest/download/anycode-linux-x86_64-musl.tar.gz | tar -xz

install.sh

@@ -0,0 +1,131 @@
+#!/bin/sh
+
+set -eu
+
+REPO="${ANYCODE_REPO:-anycode-ide/anycode}"
+VERSION="${ANYCODE_VERSION:-latest}"
+PREFIX="${ANYCODE_INSTALL_DIR:-}"
+
+usage() {
+  cat <<'EOF'
+Usage: install.sh [--version TAG] [--prefix DIR] [--repo OWNER/REPO]
+
+Environment variables:
+  ANYCODE_REPO           GitHub repository, default: anycode-ide/anycode
+  ANYCODE_VERSION        Release tag to install, default: latest
+  ANYCODE_INSTALL_DIR    Installation directory, default: ~/.local/bin or /usr/local/bin for root
+EOF
+}
+
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --version)
+      VERSION="${2:?missing value for --version}"
+      shift 2
+      ;;
+    --prefix)
+      PREFIX="${2:?missing value for --prefix}"
+      shift 2
+      ;;
+    --repo)
+      REPO="${2:?missing value for --repo}"
+      shift 2
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      echo "Unknown argument: $1" >&2
+      usage >&2
+      exit 1
+      ;;
+  esac
+done
+
+os="$(uname -s)"
+arch="$(uname -m)"
+
+case "$os" in
+  Darwin)
+    asset="anycode-universal-apple-darwin.tar.gz"
+    ;;
+  Linux)
+    case "$arch" in
+      x86_64|amd64)
+        asset="anycode-linux-x86_64-musl.tar.gz"
+        ;;
+      aarch64|arm64)
+        asset="anycode-linux-aarch64-musl.tar.gz"
+        ;;
+      *)
+        echo "Unsupported Linux architecture: $arch" >&2
+        exit 1
+        ;;
+    esac
+    ;;
+  *)
+    echo "Unsupported operating system: $os" >&2
+    exit 1
+    ;;
+esac
+
+if [ -z "$PREFIX" ]; then
+  if [ "$(id -u)" -eq 0 ]; then
+    PREFIX="/usr/local/bin"
+  else
+    PREFIX="${HOME}/.local/bin"
+  fi
+fi
+
+mkdir -p "$PREFIX"
+
+if [ ! -w "$PREFIX" ]; then
+  echo "Install directory is not writable: $PREFIX" >&2
+  echo "Try: sudo sh install.sh --prefix /usr/local/bin" >&2
+  exit 1
+fi
+
+tmpdir="$(mktemp -d)"
+trap 'rm -rf "$tmpdir"' EXIT INT TERM
+
+archive="$tmpdir/$asset"
+extract_dir="$tmpdir/extract"
+mkdir -p "$extract_dir"
+
+download_url="https://github.com/$REPO/releases/latest/download/$asset"
+if [ "$VERSION" != "latest" ]; then
+  download_url="https://github.com/$REPO/releases/download/$VERSION/$asset"
+fi
+
+echo "Downloading $asset from $download_url"
+
+if command -v curl >/dev/null 2>&1; then
+  curl -fsSL "$download_url" -o "$archive"
+elif command -v wget >/dev/null 2>&1; then
+  wget -qO "$archive" "$download_url"
+else
+  echo "Need either curl or wget to download the release" >&2
+  exit 1
+fi
+
+tar -xzf "$archive" -C "$extract_dir"
+
+if [ ! -f "$extract_dir/anycode" ]; then
+  echo "Archive did not contain expected binary: anycode" >&2
+  exit 1
+fi
+
+install_bin="$PREFIX/anycode"
+cp "$extract_dir/anycode" "$install_bin"
+chmod 755 "$install_bin"
+
+echo "Installed anycode to $install_bin"
+
+case ":$PATH:" in
+  *":$PREFIX:"*)
+    ;;
+  *)
+    echo "Add $PREFIX to your PATH if it is not there yet."
+    ;;
+esac