216 lines
7.1 KiB
Shell
216 lines
7.1 KiB
Shell
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#!/bin/sh
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set -eu
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default_release_base="https://forge.tionis.dev/eric/geth/releases/download"
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version=""
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install_dir="${GETH_INSTALL_DIR:-${HOME}/.local/bin}"
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release_base="${GETH_RELEASE_BASE_URL:-$default_release_base}"
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print_asset=false
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archive_path=""
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checksum_path=""
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modify_path=true
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usage() {
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cat <<'EOF'
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Install a checksum-verified geth release for the current user.
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Usage:
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install.sh --version <vX.Y.Z> [--install-dir <dir>] [--release-base-url <url>]
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install.sh --version <vX.Y.Z> --archive <file> [--checksum <file>]
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install.sh --version <vX.Y.Z> --print-asset
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The installer only places the single geth executable. It never initializes a
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geth home or starts a daemon. GETH_INSTALL_DIR and GETH_RELEASE_BASE_URL provide
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the corresponding option defaults.
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EOF
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}
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while [ "$#" -gt 0 ]; do
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case "$1" in
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--version)
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[ "$#" -ge 2 ] || { echo "error: --version requires a value" >&2; exit 2; }
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version=$2
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shift 2
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;;
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--install-dir)
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[ "$#" -ge 2 ] || { echo "error: --install-dir requires a value" >&2; exit 2; }
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install_dir=$2
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shift 2
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;;
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--release-base-url)
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[ "$#" -ge 2 ] || { echo "error: --release-base-url requires a value" >&2; exit 2; }
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release_base=$2
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shift 2
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;;
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--archive)
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[ "$#" -ge 2 ] || { echo "error: --archive requires a value" >&2; exit 2; }
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archive_path=$2
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shift 2
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;;
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--checksum)
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[ "$#" -ge 2 ] || { echo "error: --checksum requires a value" >&2; exit 2; }
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checksum_path=$2
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shift 2
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;;
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--no-modify-path)
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modify_path=false
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shift
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;;
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--print-asset)
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print_asset=true
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shift
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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echo "error: unknown argument: $1" >&2
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usage >&2
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exit 2
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;;
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esac
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done
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[ -n "$version" ] || { echo "error: --version is required" >&2; usage >&2; exit 2; }
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if printf '%s' "$install_dir" | LC_ALL=C grep '[[:cntrl:]]' >/dev/null 2>&1; then
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echo "error: install directory must not contain control characters" >&2
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exit 2
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fi
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case "$version" in
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v[0-9]*[!0-9A-Za-z._-]*|v[0-9]*/*)
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echo "error: version contains unsupported characters" >&2
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exit 2
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;;
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v[0-9]*) ;;
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*) echo "error: version must be an explicit tag such as v0.1.0" >&2; exit 2 ;;
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esac
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case "$install_dir" in
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/*) ;;
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*) echo "error: install directory must be an absolute path" >&2; exit 2 ;;
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esac
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os=$(uname -s)
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arch=$(uname -m)
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case "$os:$arch" in
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Linux:x86_64|Linux:amd64)
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platform=linux-x86_64
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;;
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Darwin:x86_64|Darwin:amd64)
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platform=macos-x86_64
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;;
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Darwin:arm64|Darwin:aarch64)
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platform=macos-aarch64
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;;
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*)
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echo "error: no geth release artifact for $os $arch" >&2
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exit 1
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;;
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esac
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asset="geth-${version}-${platform}.tar.gz"
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if [ "$print_asset" = true ]; then
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printf '%s\n' "$asset"
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exit 0
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fi
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[ -n "$archive_path" ] || command -v curl >/dev/null 2>&1 || { echo "error: curl is required" >&2; exit 1; }
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if command -v sha256sum >/dev/null 2>&1; then
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hash_command=sha256sum
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elif command -v shasum >/dev/null 2>&1; then
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hash_command='shasum -a 256'
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else
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echo "error: sha256sum or shasum is required" >&2
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exit 1
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fi
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tmp_dir=$(mktemp -d "${TMPDIR:-/tmp}/geth-install.XXXXXX")
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staged_binary=""
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cleanup() {
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rm -rf "$tmp_dir"
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if [ -n "$staged_binary" ] && [ -f "$staged_binary" ]; then
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rm -f "$staged_binary"
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fi
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}
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trap cleanup EXIT HUP INT TERM
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if [ -n "$archive_path" ]; then
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archive=$archive_path
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checksum=${checksum_path:-$archive_path.sha256}
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[ -f "$archive" ] || { echo "error: archive not found: $archive" >&2; exit 1; }
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[ -f "$checksum" ] || { echo "error: checksum not found: $checksum" >&2; exit 1; }
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echo "using local archive $archive"
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else
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[ -z "$checksum_path" ] || { echo "error: --checksum requires --archive" >&2; exit 2; }
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archive="$tmp_dir/$asset"
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checksum="$archive.sha256"
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url="${release_base%/}/${version}/${asset}"
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echo "downloading $url"
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curl -fL --proto '=https' --proto-redir '=https' --tlsv1.2 -o "$archive" "$url"
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curl -fL --proto '=https' --proto-redir '=https' --tlsv1.2 -o "$checksum" "$url.sha256"
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fi
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expected=$(awk 'NR == 1 { print tolower($1) }' "$checksum")
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case "$expected" in
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*[!0-9a-f]*|'') echo "error: invalid SHA-256 file for $asset" >&2; exit 1 ;;
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esac
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[ "${#expected}" -eq 64 ] || { echo "error: invalid SHA-256 length for $asset" >&2; exit 1; }
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if [ "$hash_command" = sha256sum ]; then
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actual=$(sha256sum "$archive" | awk '{ print tolower($1) }')
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else
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actual=$(shasum -a 256 "$archive" | awk '{ print tolower($1) }')
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fi
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[ "$actual" = "$expected" ] || { echo "error: checksum mismatch for $asset" >&2; exit 1; }
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echo "verified SHA-256: $actual"
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if [ -n "$archive_path" ]; then
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package=$(basename "$archive")
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package=${package%.tar.gz}
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else
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package=${asset%.tar.gz}
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fi
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tar -xzf "$archive" -C "$tmp_dir"
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source_binary="$tmp_dir/$package/geth"
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[ -f "$source_binary" ] || { echo "error: archive does not contain $package/geth" >&2; exit 1; }
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mkdir -p "$install_dir"
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staged_binary="$install_dir/.geth.install.$$"
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cp "$source_binary" "$staged_binary"
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chmod 755 "$staged_binary"
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mv -f "$staged_binary" "$install_dir/geth"
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echo "installed geth to $install_dir/geth"
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case ":${PATH}:" in
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*":${install_dir}:"*) ;;
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*)
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if [ "$modify_path" = true ]; then
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case "${SHELL:-}" in
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*/zsh) path_profile=${GETH_PATH_PROFILE:-$HOME/.zprofile} ;;
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*) path_profile=${GETH_PATH_PROFILE:-$HOME/.profile} ;;
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esac
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escaped_install_dir=$(printf '%s' "$install_dir" | sed 's/[\\`"$]/\\&/g')
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path_marker="# geth installer PATH: $install_dir"
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path_added=false
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path_update_failed=false
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if [ ! -f "$path_profile" ] || ! grep -F "$path_marker" "$path_profile" >/dev/null 2>&1; then
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if printf '\n%s\nexport PATH="%s:\044PATH"\n' "$path_marker" "$escaped_install_dir" >> "$path_profile"; then
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path_added=true
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else
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path_update_failed=true
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fi
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fi
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if [ "$path_added" = true ]; then
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echo "added $install_dir to PATH in $path_profile; open a new terminal to use it"
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elif [ "$path_update_failed" = true ]; then
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echo "warning: could not update $path_profile; add this directory to PATH:" >&2
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echo " export PATH=\"$install_dir:\$PATH\"" >&2
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else
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echo "$install_dir is already configured in $path_profile; open a new terminal to use it"
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fi
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else
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echo "add this directory to PATH before using geth:"
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echo " export PATH=\"$install_dir:\$PATH\""
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fi
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;;
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esac
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echo "the daemon was not started; run 'geth daemon install' when ready"
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