|
| 1 | +#!/bin/sh |
| 2 | +set -e |
| 3 | + |
| 4 | +# grab the version |
| 5 | +readonly GUM_VERSION="${VERSION:-latest}" |
| 6 | + |
| 7 | +# apt-get configuration |
| 8 | +export DEBIAN_FRONTEND=noninteractive |
| 9 | + |
| 10 | + |
| 11 | +preflight () { |
| 12 | + if command -v wget > /dev/null; then |
| 13 | + return |
| 14 | + fi |
| 15 | + |
| 16 | + if [ -e /etc/os-release ]; then |
| 17 | + . /etc/os-release |
| 18 | + fi |
| 19 | + |
| 20 | + case "${ID}" in |
| 21 | + 'debian' | 'ubuntu') |
| 22 | + apt-get update |
| 23 | + apt-get install -y --no-install-recommends \ |
| 24 | + wget \ |
| 25 | + ca-certificates |
| 26 | + ;; |
| 27 | + 'fedora') |
| 28 | + dnf -y install wget |
| 29 | + ;; |
| 30 | + *) echo "The ${ID} distribution is not supported."; exit 1 ;; |
| 31 | + esac |
| 32 | +} |
| 33 | + |
| 34 | +main () { |
| 35 | + preflight |
| 36 | + |
| 37 | + local ARCH="$(uname -m)" |
| 38 | + case "${ARCH}" in |
| 39 | + "aarch64") ARCH="arm64" ;; |
| 40 | + "x86_64") ARCH="x86_64" ;; |
| 41 | + *) echo "The current architecture (${ARCH}) is not supported."; exit 1 ;; |
| 42 | + esac |
| 43 | + |
| 44 | + if [ "${GUM_VERSION}" != "latest" ] ; then |
| 45 | + GUM_CHECKSUMS_URL="https://github.com/charmbracelet/gum/releases/download/v${GUM_VERSION#[vV]}/checksums.txt" |
| 46 | + GUM_URL="https://github.com/charmbracelet/gum/releases/download/v${GUM_VERSION#[vV]}/gum_${GUM_VERSION#[vV]}_Linux_${ARCH}.tar.gz" |
| 47 | + else |
| 48 | + local RELEASES_RESPONSE="$(wget -qO- --tries=3 https://api.github.com/repos/charmbracelet/gum/releases)" |
| 49 | + GUM_CHECKSUMS_URL="$(echo "${RELEASES_RESPONSE}" | grep "browser_download_url.*checksums.txt" | head -n 1 | cut -d '"' -f 4)" |
| 50 | + GUM_URL="$(echo "${RELEASES_RESPONSE}" | grep "browser_download_url.*Linux_${ARCH}.tar.gz" | head -n 1 | cut -d '"' -f 4)" |
| 51 | + fi |
| 52 | + |
| 53 | + echo "Installing gum ${GUM_VERSION} for ${ARCH} ..." |
| 54 | + |
| 55 | + echo "Downloading checksums ${GUM_CHECKSUMS_URL} ..." |
| 56 | + wget --no-verbose -O /tmp/checksums.txt "${GUM_CHECKSUMS_URL}" |
| 57 | + local GUM_SHA="$(grep Linux_${ARCH}.tar.gz$ /tmp/checksums.txt | cut -d ' ' -f 1)" |
| 58 | + |
| 59 | + echo "Downloading ${GUM_URL} ..." |
| 60 | + wget --no-verbose -O /tmp/gum.tar.gz "${GUM_URL}" |
| 61 | + |
| 62 | + echo "Verifying checksum ${GUM_SHA} ..." |
| 63 | + echo "${GUM_SHA} /tmp/gum.tar.gz" | sha256sum -c - |
| 64 | + |
| 65 | + echo "Extracting..." |
| 66 | + tar xf /tmp/gum.tar.gz --directory=/usr/local/bin --strip-components=1 --wildcards gum_*_Linux_${ARCH}/gum |
| 67 | + chmod +x /usr/local/bin/gum |
| 68 | + rm /tmp/gum.tar.gz |
| 69 | + |
| 70 | + echo "gum ${GUM_VERSION} for ${ARCH} installed at $(command -v gum)." |
| 71 | +} |
| 72 | + |
| 73 | +main "$@" |
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