86 lines
1.9 KiB
Bash
86 lines
1.9 KiB
Bash
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#!/bin/sh
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set -o nounset # error when referencing undefined variable
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set -o errexit # exit when command fails
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BOLD="$(tput bold 2>/dev/null || echo '')"
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GREY="$(tput setaf 0 2>/dev/null || echo '')"
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BLUE="$(tput setaf 4 2>/dev/null || echo '')"
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RED="$(tput setaf 1 2>/dev/null || echo '')"
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NO_COLOR="$(tput sgr0 2>/dev/null || echo '')"
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YELLOW="$(tput setaf 3 2>/dev/null || echo '')"
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error() {
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printf "${RED} $@${NO_COLOR}\n" >&2
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}
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warn() {
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printf "${YELLOW}! $@${NO_COLOR}\n"
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}
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info() {
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printf "${BLUE} $@${NO_COLOR}\n"
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}
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fetch() {
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local command
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if hash curl 2>/dev/null; then
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set +e
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command="curl --fail -L $1"
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curl --compressed --fail -L "$1"
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rc=$?
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set -e
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else
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if hash wget 2>/dev/null; then
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set +e
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command="wget -O- -q $1"
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wget -O- -q "$1"
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rc=$?
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set -e
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else
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error "No HTTP download program (curl, wget) found…"
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exit 1
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fi
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fi
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if [ $rc -ne 0 ]; then
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error "Command failed (exit code $rc): ${BLUE}${command}${NO_COLOR}"
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exit $rc
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fi
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}
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get_latest_release() {
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fetch "https://api.github.com/repos/iamcco/markdown-preview.nvim/releases/latest" |
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grep '"tag_name":' |
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sed -E 's/.*"([^"]+)".*/\1/'
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}
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if [ $# -eq 0 ]; then
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info "Fetching latest release."
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tag=$(get_latest_release)
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else
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tag=$1
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fi
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download() {
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mkdir -p bin
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cd bin
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url="https://github.com/iamcco/markdown-preview.nvim/releases/download/$tag/${1}"
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info "Downloading binary from ${url}"
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if fetch "${url}" | tar xzfv -; then
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chmod a+x ${1%.tar.gz}
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return
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else
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warn "Binary not available for now, please wait for a few minutes."
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fi
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}
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arch=$(uname -sm)
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case "${arch}" in
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"Linux x86_64") download markdown-preview-linux.tar.gz ;;
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"Linux i686") download markdown-preview-linux.tar.gz ;;
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"Darwin x86_64") download markdown-preview-macos.tar.gz ;;
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"Darwin arm64") download markdown-preview-macos.tar.gz ;;
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*) info "No pre-built binary available for ${arch}.";;
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esac
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