git-get/git-install.sh at master · ajdruff/git-get · GitHub

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#!/usr/bin/env bash

REPO_NAME=git-get
TEMP_DIR="${TMPDIR:-/tmp}"
REPO_PARENT_DIR=$(mktemp -d "${TEMP_DIR}"/XXXXXXXXX)
REPO_ROOT_PATH="$REPO_PARENT_DIR/$REPO_NAME"
die() {
    echo "$*" 1>&2
    exit 1
}

get_latest_tag() {
    # Get new tags from the remote
    git fetch --tags

    # Get the latest tag name
    local latest_tag=$(git describe --tags $(git rev-list --tags --max-count=1))

    echo "$latest_tag"
    return 0
}


clone() {

    local branch

    cd "${REPO_PARENT_DIR}"
    git clone --no-checkout https://github.com/ajdruff/${REPO_NAME}.git || die "git-get: something went wrong trying to download installation files. Check your connection and try again"

    cd "${REPO_ROOT_PATH}"

    if [ -z "${1}" ]; then
        branch=$(get_latest_tag)
    else
        branch="${1}"
    fi

    # Checkout the latest tag
    git checkout -b "${branch}"

    cd -

    return 0

}
install() {

    echo 'installing git-get...'
    local install_dir=$(dirname $(which git))

    if [ -d "$REPO_ROOT_PATH/dist" ]; then
    echo 'installing production build..'
        sudo install "$REPO_ROOT_PATH/dist/git-get" "${install_dir}"/
    else
echo 'installing development build...'
        sudo install "$REPO_ROOT_PATH/git-get" "${install_dir}"/
        sudo install "$REPO_ROOT_PATH/parser/parser-build.sh" "${install_dir}"/

    fi

    return 0

}

clone;
install;

rm -rf "$REPO_ROOT_PATH"

(git get -h && git get -v && echo 'git get installed!') || die "git-get installation failed"