1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140

#!/usr/bin/env bash
set -euo pipefail

# ──────────────────────────────────────────────
#  ev installer
#  Usage: curl -fsSL https://raw.githubusercontent.com/adrian-lorenz/ev/main/install.sh | bash
# ──────────────────────────────────────────────

REPO="adrian-lorenz/ev"
BINARY="ev"
INSTALL_DIR="${INSTALL_DIR:-/usr/local/bin}"

# ── colours ──────────────────────────────────
if [ -t 1 ]; then
  GREEN="\033[0;32m"; YELLOW="\033[0;33m"; RED="\033[0;31m"; BOLD="\033[1m"; RESET="\033[0m"
else
  GREEN=""; YELLOW=""; RED=""; BOLD=""; RESET=""
fi

info()    { echo -e "${BOLD}${GREEN}✓${RESET} $*"; }
warn()    { echo -e "${YELLOW}!${RESET} $*"; }
fatal()   { echo -e "${RED}✗${RESET} $*" >&2; exit 1; }
heading() { echo -e "\n${BOLD}$*${RESET}"; }

# ── dependency check ─────────────────────────
for cmd in curl tar uname; do
  command -v "$cmd" >/dev/null 2>&1 || fatal "Required command not found: $cmd"
done

# ── detect OS ────────────────────────────────
heading "Detecting system…"

RAW_OS=$(uname -s)
case "$RAW_OS" in
  Linux)   GOOS="linux"   ;;
  Darwin)  GOOS="darwin"  ;;
  MINGW*|MSYS*|CYGWIN*) GOOS="windows" ;;
  *)       fatal "Unsupported OS: $RAW_OS" ;;
esac

# ── detect architecture ───────────────────────
RAW_ARCH=$(uname -m)
case "$RAW_ARCH" in
  x86_64)          GOARCH="amd64" ;;
  aarch64|arm64)   GOARCH="arm64" ;;
  *)               fatal "Unsupported architecture: $RAW_ARCH" ;;
esac

info "OS: $GOOS / Arch: $GOARCH"

# ── fetch latest version ──────────────────────
heading "Fetching latest release…"

VERSION=$(curl -fsSL "https://api.github.com/repos/${REPO}/releases/latest" \
  | grep '"tag_name"' \
  | sed 's/.*"tag_name": *"\([^"]*\)".*/\1/')

[ -z "$VERSION" ] && fatal "Could not determine latest version. Check https://github.com/${REPO}/releases"

info "Latest version: ${VERSION}"

# ── build download URL ────────────────────────
if [ "$GOOS" = "windows" ]; then
  ARCHIVE="${BINARY}_${GOOS}_${GOARCH}.zip"
else
  ARCHIVE="${BINARY}_${GOOS}_${GOARCH}.tar.gz"
fi

URL="https://github.com/${REPO}/releases/download/${VERSION}/${ARCHIVE}"
CHECKSUM_URL="https://github.com/${REPO}/releases/download/${VERSION}/checksums.txt"

# ── download ──────────────────────────────────
heading "Downloading ${ARCHIVE}…"

TMP_DIR=$(mktemp -d)
trap 'rm -rf "$TMP_DIR"' EXIT

curl -fSL --progress-bar "$URL" -o "${TMP_DIR}/${ARCHIVE}"
curl -fsSL "$CHECKSUM_URL" -o "${TMP_DIR}/checksums.txt"

info "Downloaded successfully"

# ── verify checksum ───────────────────────────
heading "Verifying checksum…"

cd "$TMP_DIR"

EXPECTED=$(grep "  ${ARCHIVE}$" checksums.txt | awk '{print $1}')
[ -z "$EXPECTED" ] && fatal "Could not find checksum for ${ARCHIVE} in checksums.txt"

if command -v shasum >/dev/null 2>&1; then
  ACTUAL=$(shasum -a 256 "$ARCHIVE" | awk '{print $1}')
elif command -v sha256sum >/dev/null 2>&1; then
  ACTUAL=$(sha256sum "$ARCHIVE" | awk '{print $1}')
else
  warn "No sha256sum or shasum found — skipping checksum verification"
  ACTUAL="$EXPECTED"
fi

[ "$EXPECTED" = "$ACTUAL" ] \
  || fatal "Checksum verification failed — the download may be corrupted or tampered with"

info "Checksum OK"

# ── extract ───────────────────────────────────
heading "Extracting…"

if [ "$GOOS" = "windows" ]; then
  unzip -q "${ARCHIVE}" "${BINARY}.exe"
  BINARY="${BINARY}.exe"
else
  tar -xzf "${ARCHIVE}" "$BINARY"
fi

chmod +x "$BINARY"

# ── install ───────────────────────────────────
heading "Installing to ${INSTALL_DIR}…"

if [ -w "$INSTALL_DIR" ]; then
  mv "$BINARY" "${INSTALL_DIR}/${BINARY}"
else
  warn "Need sudo to write to ${INSTALL_DIR}"
  sudo mv "$BINARY" "${INSTALL_DIR}/${BINARY}"
fi

# ── done ──────────────────────────────────────
echo ""
echo -e "${BOLD}${GREEN}ev ${VERSION} installed!${RESET}"
echo ""
echo "  Location : ${INSTALL_DIR}/${BINARY}"
echo ""
echo "  Get started:"
echo "    ev init"
echo "    ev set MY_SECRET"
echo "    ev run <your-command>"
echo ""
echo "  Web UI:"
echo "    ev manage"
echo ""