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#!/usr/bin/env bash
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APP=bat
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VERSION=${VERSION:-v0.17.1}
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DATA_DIR="${XDG_DATA_HOME}/apps/releases"
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DEST_DIR="${DATA_DIR}/${APP}/${VERSION}"
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OS=
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ARCH=
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case $(uname -s) in
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Linux*) OS=unknown-linux-gnu;;
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Darwin*) OS=apple-darwin;;
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CYGWIN_NT*|Windows_NT*) OS=pc-windows-msvc;;
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*) >&2 echo "unsupported os"; return;
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esac
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case $(uname -m) in
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amd64*|x86_64*) ARCH=x86_64;;
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i686*|i386*) ARCH=i686;;
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arm|armv7*|armv6*) ARCH=arm;;
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aarch64*|armv8*) ARCH=arm64;;
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*) >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
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esac
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function bail () {
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echo "unexpected error $1"
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exit 1
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}
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function do_link () {
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local dir="$1"
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local link="$2"
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if [[ ! -d "${dir}" ]] ; then
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return
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fi
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if [[ -L "${dir}/$(basename "${link}")" ]] ; then
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return
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fi
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cd "${dir}" || bail "failed to change directory: ${dir}"
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ln --symbolic "${link}" "$(basename "${link}")"
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}
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URL="https://github.com/sharkdp/bat/releases/download/${VERSION}/bat-${VERSION}-${ARCH}-${OS}.tar.gz"
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TMP_DIR=
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if [[ ! -d "${DEST_DIR}" ]] ; then
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set -x
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TMP_DIR=$(mktemp --directory)
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TAR_GZ="${TMP_DIR}/release.tar.gz"
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echo "start download: ${URL}"
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curl --location --silent --output "${TAR_GZ}" "${URL}"
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echo "stop download: ${URL}"
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mkdir -p "${DEST_DIR}"
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tar xzf "${TAR_GZ}" --strip-components 1 --directory "${DEST_DIR}"
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rm -rf "${TMP_DIR}"
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fi
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unset TMP_DIR
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cd "${DATA_DIR}/${APP}" || bail "directory change failed: ${DATA_DIR}/${APP}"
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[[ -s current ]] && unlink current
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ln -s "${VERSION}" current
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# TODO: get the completion working
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#ZSH_CONFIG_D="${XDG_CONFIG_HOME}/zsh/zshrc.d"
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#FISH_CONFIG_D="${XDG_CONFIG_HOME}/fish/functions"
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MAN_DIR="${XDG_DATA_HOME}/man/man1"
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[[ -d ${MAN_DIR} ]] || mkdir -p "${MAN_DIR}"
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do_link "${XDG_BIN_HOME}" "${DATA_DIR}/${APP}/current/bat"
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#do_link "${ZSH_CONFIG_D}" "${DATA_DIR}/${APP}/current/autocomplete/bat.zsh"
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#do_link "${FISH_CONFIG_D}" "${DATA_DIR}/${APP}/current/autocomplete/bat.fish"
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do_link "${MAN_DIR}" "${DATA_DIR}/${APP}/current/bat.1"
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