mirror of https://github.com/curusarn/resh
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156 lines
4.1 KiB
156 lines
4.1 KiB
#!/usr/bin/env bash
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set -euo pipefail
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echo
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echo "Please report any issues you encounter to: https://github.com/curusarn/resh/issues"
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echo
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if [ "${1-}" = "--test" ] || [ "${1-}" = "-t" ]; then
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echo "Looking for the latest release or PRERELEASE (because you used --test flag) ..."
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# debug
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# latest release OR pre-release
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json=$(curl --silent "https://api.github.com/repos/curusarn/resh/releases")
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tag=$(echo "$json" | grep '"tag_name":' | cut -d':' -f2 | tr -d ',' | cut -d'"' -f2 | head -n 1)
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else
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echo "Looking for the latest release ..."
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# latest release
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if which jq >/dev/null; then
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# Use `jq` if it exists on the system
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tag=$(curl "https://api.github.com/repos/curusarn/resh/releases/latest" | jq .tag_name | tr -d '"' | tr -d "'")
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else
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json=$(curl --silent "https://api.github.com/repos/curusarn/resh/releases/latest")
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# not very robust but we don't want any dependencies to parse to JSON
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tag=$(echo "$json" | grep '"tag_name":' | cut -d':' -f2 | tr -d ',' | cut -d'"' -f2)
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fi
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fi
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if [ ${#tag} -lt 2 ]; then
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echo "ERROR: Couldn't determine the latest release! (extracted git tag is too short \"${tag}\")"
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exit 1
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fi
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if [ "${tag:0:1}" != v ]; then
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echo "ERROR: Couldn't determine the latest release! (extracted git tag doesn't start with 'v' \"${tag}\")"
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exit 1
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fi
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version="${tag:1}"
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# TODO: check if version is numeric
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echo " * Latest version: $version (git tag: $tag)"
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# TODO: compare semanitcally instead of just using equality
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if [ "${__RESH_VERSION:-}" == "$version" ]; then
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echo " * Resh is up to date - nothing to do - exiting."
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exit 0
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fi
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echo
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if [ "$(uname)" = "Darwin" ]; then
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OS=darwin
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elif [ "$(uname)" = "Linux" ]; then
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OS=linux
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else
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OS=unknown
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fi
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case "$(uname -m)" in
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x86_64)
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ARCH=amd64
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;;
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x86|i386|i686)
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ARCH=386
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;;
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arm|armv7*)
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ARCH=armv6
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;;
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arm64|aarch64*|armv8*)
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ARCH=arm64
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;;
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*)
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ARCH=unknown
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;;
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esac
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if [ "$OS" = darwin ]; then
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if [ "$ARCH" = armv6 ] || [ "$ARCH" = arm64 ]; then
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echo "It seems that you are running macOS on arm - exiting!"
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echo "Expected Linux or macOS on x86_64 or i386 (or Linux on arm or arm64)"
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echo "Got OS: $(uname) (uname)"
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echo "Got ARCH: $(uname -m) (uname -m)"
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exit 1
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fi
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fi
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if [ "$OS" = unknown ] || [ "$ARCH" = unknown ]; then
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echo "Couldn't detect your OS and architecture - exiting!"
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echo "Expected Linux or macOS on x86_64 or i386 (or Linux on arm or arm64)"
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echo "Got OS: $(uname) (uname)"
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echo "Got ARCH: $(uname -m) (uname -m)"
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exit 1
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fi
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dl_base="https://github.com/curusarn/resh/releases/download/${tag}"
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fname_checksums="resh_${version}_checksums.txt"
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dl_checksums="$dl_base/$fname_checksums"
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fname_binaries="resh_${version}_${OS}_${ARCH}.tar.gz"
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dl_binaries="$dl_base/$fname_binaries"
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tmpdir="$(mktemp -d /tmp/resh-rawinstall-XXXXXX)"
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# echo
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# echo "Changing to $tmpdir ..."
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cd "$tmpdir"
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echo "Downloading files ..."
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curl_opt="--location --remote-name --progress-bar"
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echo " * $fname_checksums"
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# shellcheck disable=2086
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COLUMNS=80 curl $curl_opt "$dl_checksums"
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echo " * $fname_binaries"
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# shellcheck disable=2086
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COLUMNS=80 curl $curl_opt "$dl_binaries"
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# TODO: check if we downloaded anything
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# Github serves you a "Not found" page so the curl doesn't error out
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echo
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echo "Checking integrity ..."
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# macOS doesn't have sha256sum
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if [ "$OS" = darwin ]; then
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function sha256sum() { shasum -a 256 "$@" ; } && export -f sha256sum
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fi
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if [ "$(sha256sum "$fname_binaries")" != "$(grep "$fname_binaries" "$fname_checksums")" ]; then
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echo "ERROR: integrity check failed - exiting!"
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exit 1
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fi
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echo " * OK"
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echo
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echo "Extracting downloaded files ..."
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tar -xzf "$fname_binaries"
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echo " * OK"
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if ! scripts/install.sh; then
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if [ $? != 130 ]; then
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echo
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echo "INSTALLATION FAILED!"
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echo "I'm sorry for the inconvenience."
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echo
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echo "Please create an issue: https://github.com/curusarn/resh/issues"
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fi
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echo
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echo "You can rerun the installation by executing: (this will skip downloading)"
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echo
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echo "cd $PWD && scripts/install.sh"
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echo
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exit 1
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fi
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