Add curl|sh install script with e2e tests

README.md

@@ -24,6 +24,12 @@ devproxy up
 - **No external proxy** — single Rust binary, no Caddy/Traefik/nginx
 - **Human-readable slugs** — random adjective-animal subdomains
 
+## Install
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/foundra-build/devproxy/main/install.sh | sh
+```
+
 ## Quick Start
 
 ```bash

install.sh

@@ -0,0 +1,101 @@
+#!/bin/sh
+set -eu
+
+DEVPROXY_VERSION="${DEVPROXY_VERSION:-latest}"
+DEVPROXY_INSTALL_DIR="${DEVPROXY_INSTALL_DIR:-/usr/local/bin}"
+DEVPROXY_INSTALL_BASE_URL="${DEVPROXY_INSTALL_BASE_URL:-https://github.com/foundra-build/devproxy/releases}"
+
+main() {
+    detect_platform
+    construct_url
+    create_install_dir
+    download_binary
+    verify_installation
+    echo "devproxy installed successfully to ${DEVPROXY_INSTALL_DIR}/devproxy"
+}
+
+detect_platform() {
+    OS="$(uname -s)"
+    ARCH="$(uname -m)"
+
+    case "$OS" in
+        Darwin) OS_TARGET="apple-darwin" ;;
+        Linux)  OS_TARGET="unknown-linux-gnu" ;;
+        *)      echo "Error: unsupported operating system: $OS" >&2; exit 1 ;;
+    esac
+
+    case "$ARCH" in
+        x86_64|amd64)  ARCH_TARGET="x86_64" ;;
+        aarch64|arm64) ARCH_TARGET="aarch64" ;;
+        *)             echo "Error: unsupported architecture: $ARCH" >&2; exit 1 ;;
+    esac
+
+    TARGET="${ARCH_TARGET}-${OS_TARGET}"
+}
+
+construct_url() {
+    BINARY_NAME="devproxy-${TARGET}"
+    if [ "$DEVPROXY_VERSION" = "latest" ]; then
+        DOWNLOAD_URL="${DEVPROXY_INSTALL_BASE_URL}/latest/download/${BINARY_NAME}"
+    else
+        DOWNLOAD_URL="${DEVPROXY_INSTALL_BASE_URL}/download/${DEVPROXY_VERSION}/${BINARY_NAME}"
+    fi
+}
+
+create_install_dir() {
+    if [ ! -d "$DEVPROXY_INSTALL_DIR" ]; then
+        if ! mkdir -p "$DEVPROXY_INSTALL_DIR" 2>/dev/null; then
+            echo "Error: failed to create install directory ${DEVPROXY_INSTALL_DIR}" >&2
+            echo "Try running with sudo or set DEVPROXY_INSTALL_DIR to a writable location." >&2
+            exit 1
+        fi
+    elif [ ! -w "$DEVPROXY_INSTALL_DIR" ]; then
+        echo "Error: install directory ${DEVPROXY_INSTALL_DIR} is not writable" >&2
+        echo "Try running with sudo or set DEVPROXY_INSTALL_DIR to a writable location." >&2
+        exit 1
+    fi
+}
+
+download_binary() {
+    TMPFILE="$(mktemp)"
+    trap 'rm -f "$TMPFILE"' EXIT
+
+    if command -v curl >/dev/null 2>&1; then
+        if ! curl -fsSL -o "$TMPFILE" "$DOWNLOAD_URL"; then
+            echo "Error: failed to download devproxy from ${DOWNLOAD_URL}" >&2
+            exit 1
+        fi
+    elif command -v wget >/dev/null 2>&1; then
+        if ! wget -q -O "$TMPFILE" "$DOWNLOAD_URL"; then
+            echo "Error: failed to download devproxy from ${DOWNLOAD_URL}" >&2
+            exit 1
+        fi
+    else
+        echo "Error: neither curl nor wget found. Please install one and try again." >&2
+        exit 1
+    fi
+
+    # Copy and set permissions using only POSIX-guaranteed commands.
+    # chmod before cp would not help since cp creates a new inode;
+    # instead we cp then chmod, keeping the window minimal.
+    if ! cp "$TMPFILE" "${DEVPROXY_INSTALL_DIR}/devproxy"; then
+        echo "Error: failed to copy binary to ${DEVPROXY_INSTALL_DIR}/devproxy" >&2
+        exit 1
+    fi
+    if ! chmod 755 "${DEVPROXY_INSTALL_DIR}/devproxy"; then
+        echo "Error: failed to set executable permissions on ${DEVPROXY_INSTALL_DIR}/devproxy" >&2
+        exit 1
+    fi
+    rm -f "$TMPFILE"
+    trap - EXIT
+}
+
+verify_installation() {
+    if [ ! -x "${DEVPROXY_INSTALL_DIR}/devproxy" ]; then
+        echo "Error: installation failed — binary not found at ${DEVPROXY_INSTALL_DIR}/devproxy" >&2
+        exit 1
+    fi
+}
+
+# __DEVPROXY_INSTALL_MAIN__
+main

justfile

@@ -32,3 +32,7 @@ fmt-check:
 # Run e2e tests (requires Docker)
 e2e:
     cargo test --test e2e -- --include-ignored --nocapture
+
+# Run install script tests
+test-install:
+    sh tests/test_install.sh