install.sh RawHistoryFolder

1#!/bin/sh
2set -e
3
4# Gordon installer script
5# Usage: curl -fsSL https://gordon.bnema.dev/install | bash
6# Usage with pre-release: curl -fsSL https://gordon.bnema.dev/install | GORDON_PRERELEASE=1 bash
7
8REPO="bnema/gordon"
9INSTALL_DIR="/usr/local/bin"
10VERSION="${GORDON_VERSION:-latest}"
11
12echo "Installing Gordon..."
13
14# Detect OS
15OS=$(uname -s | tr '[:upper:]' '[:lower:]')
16case "$OS" in
17    linux)
18        OS="linux"
19        ;;
20    darwin)
21        OS="darwin"
22        ;;
23    *)
24        echo "Error: Unsupported operating system: $OS"
25        exit 1
26        ;;
27esac
28
29# Detect architecture
30ARCH=$(uname -m)
31case "$ARCH" in
32    x86_64|amd64)
33        ARCH="amd64"
34        ;;
35    aarch64|arm64)
36        ARCH="arm64"
37        ;;
38    *)
39        echo "Error: Unsupported architecture: $ARCH"
40        exit 1
41        ;;
42esac
43
44echo "Detected: ${OS}/${ARCH}"
45
46# Construct download URL
47TARBALL="gordon_${OS}_${ARCH}.tar.gz"
48
49# Determine version to download
50if [ "$VERSION" = "latest" ] && [ -n "$GORDON_PRERELEASE" ]; then
51    echo "Finding latest pre-release..."
52    # Get latest release (including pre-releases) from GitHub API
53    RELEASE_DATA=$(curl -fsSL "https://api.github.com/repos/${REPO}/releases?per_page=1" 2>/dev/null || echo "")
54    if [ -z "$RELEASE_DATA" ]; then
55        echo "Error: Failed to fetch release information from GitHub API"
56        exit 1
57    fi
58    VERSION=$(echo "$RELEASE_DATA" | grep -m1 '"tag_name"' | sed -E 's/.*"tag_name":\s*"([^"]+)".*/\1/')
59    if [ -z "$VERSION" ]; then
60        echo "Error: Could not determine latest pre-release version"
61        exit 1
62    fi
63    echo "Using pre-release version: ${VERSION}"
64elif [ "$VERSION" = "latest" ]; then
65    echo "Using latest stable release"
66    # Resolve "latest" to actual tag name since GitHub download URLs require exact tags
67    RELEASE_DATA=$(curl -fsSL "https://api.github.com/repos/${REPO}/releases/latest" 2>/dev/null || echo "")
68    if [ -z "$RELEASE_DATA" ]; then
69        echo "Error: Failed to fetch latest release information from GitHub API"
70        exit 1
71    fi
72    VERSION=$(echo "$RELEASE_DATA" | grep -m1 '"tag_name"' | sed -E 's/.*"tag_name":\s*"([^"]+)".*/\1/')
73    if [ -z "$VERSION" ]; then
74        echo "Error: Could not determine latest stable version"
75        exit 1
76    fi
77    echo "Resolved version: ${VERSION}"
78else
79    echo "Using version: ${VERSION}"
80fi
81
82DOWNLOAD_URL="https://github.com/${REPO}/releases/download/${VERSION}/${TARBALL}"
83
84# Create temporary directory
85TMP_DIR=$(mktemp -d)
86trap 'rm -rf "$TMP_DIR"' EXIT
87
88# Download checksums file
89CHECKSUMS_URL="https://github.com/${REPO}/releases/download/${VERSION}/checksums.txt"
90echo "Downloading checksums..."
91if ! curl -fsSL "$CHECKSUMS_URL" -o "$TMP_DIR/checksums.txt"; then
92    echo "Error: Failed to download checksums file"
93    exit 1
94fi
95
96echo "Downloading ${TARBALL}..."
97if ! curl -fsSL "$DOWNLOAD_URL" -o "$TMP_DIR/$TARBALL"; then
98    echo "Error: Failed to download ${TARBALL}"
99    exit 1
100fi
101
102# Verify checksum
103echo "Verifying checksum..."
104TARBALL_ESCAPED=$(printf '%s\n' "$TARBALL" | sed 's/[.[\*^$()+?{|]/\\&/g')
105CHECKSUM_LINES=$(grep -E "^[0-9a-fA-F]{64}[[:space:]]+\*?${TARBALL_ESCAPED}\$" "$TMP_DIR/checksums.txt" || true)
106CHECKSUM_COUNT=$(printf '%s\n' "$CHECKSUM_LINES" | sed '/^$/d' | wc -l | tr -d ' ')
107if [ "$CHECKSUM_COUNT" != "1" ]; then
108    echo "Error: Expected exactly one checksum for ${TARBALL} in checksums.txt"
109    exit 1
110fi
111EXPECTED_CHECKSUM=$(printf '%s\n' "$CHECKSUM_LINES" | awk '{print $1}')
112
113# Calculate actual checksum (works on both Linux and macOS)
114if command -v sha256sum >/dev/null 2>&1; then
115    ACTUAL_CHECKSUM=$(sha256sum "$TMP_DIR/$TARBALL" | awk '{print $1}')
116elif command -v shasum >/dev/null 2>&1; then
117    ACTUAL_CHECKSUM=$(shasum -a 256 "$TMP_DIR/$TARBALL" | awk '{print $1}')
118else
119    echo "Error: Neither 'sha256sum' nor 'shasum' was found. Cannot verify checksum."
120    echo ""
121    echo "Please install one of these tools:"
122    echo "  Debian/Ubuntu: sudo apt-get install coreutils"
123    echo "  Fedora/RHEL:   sudo dnf install coreutils"
124    echo "  Alpine:        apk add coreutils"
125    echo "  macOS:         shasum should be pre-installed"
126    exit 1
127fi
128
129if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]; then
130    echo "Error: Checksum verification failed!"
131    echo "Expected: $EXPECTED_CHECKSUM"
132    echo "Actual:   $ACTUAL_CHECKSUM"
133    echo "The downloaded file may be corrupted or tampered with."
134    exit 1
135fi
136echo "Checksum verified successfully."
137
138echo "Extracting Gordon binary..."
139EXTRACT_DIR="$TMP_DIR/extract"
140mkdir -p "$EXTRACT_DIR"
141tar -xzf "$TMP_DIR/$TARBALL" -C "$EXTRACT_DIR" gordon
142
143BINARY="$EXTRACT_DIR/gordon"
144if [ ! -f "$BINARY" ] || [ -L "$BINARY" ]; then
145    echo "Error: Archive did not contain a regular Gordon binary"
146    exit 1
147fi
148
149echo "Installing to ${INSTALL_DIR}..."
150if [ -w "$INSTALL_DIR" ]; then
151    install -m 0755 "$BINARY" "$INSTALL_DIR/gordon"
152else
153    echo "sudo required to install to ${INSTALL_DIR}"
154    sudo install -m 0755 "$BINARY" "$INSTALL_DIR/gordon"
155fi
156
157# Verify installation
158if command -v gordon >/dev/null 2>&1; then
159    echo ""
160    echo "Gordon installed successfully!"
161    gordon version
162else
163    echo ""
164    echo "Installation complete. You may need to add ${INSTALL_DIR} to your PATH."
165fi