Shell - Get latest release from GitHub

get_latest_release.zsh

## See latest version at https://github.com/NightMachinary/.shells/blob/master/scripts/zshlang/auto-load/others/github.zsh
## Usage:
# $ gh-release-get "creationix/nvm"
##
alias ec='print -r --'
function gh-release-get() {
    local repo="$1"

    local releases
    releases="$(curl -s https://api.github.com/repos/"$repo"/releases)"

    local tag
    tag="$(ec "$releases" | jq -r ".[].tag_name"  | gsort --version-sort --reverse | ghead -n 1)"

    local assets
    assets="$(ec $releases | jq -r --arg tag "$tag" '.[] | if .tag_name == $tag then .assets else empty end' )"

    local desired
    if [[ "$uname" == "Darwin" ]] ; then
        desired="macos"
    else
        desired="ubuntu"
    fi

    local my_asset
    my_asset="$(ec $assets | jq -r --arg desired "$desired" '.[] | select(.name | contains($desired)) | .browser_download_url')"

    aria2c "$my_asset" # download asset
}