Shell Script and Github API: Get Latest Tag on a Branch

getLatestTag.sh

token="my_personal_access_token"
base_url="https://api.github.com"
list_branches_url="/repos/hiiamyes/github-api-test/branches"
list_commites_url="/repos/hiiamyes/github-api-test/commits"
list_tags_url="/repos/emq-inc/emq-adminsite/tags"
headers="Authorization: token $token"
commit_sha=$(
    curl \
        --silent $base_url$list_branches_url/sprint \
        -H "$headers" |
        jq --raw-output '.commit.sha'
)
tags=$(
    curl \
        --silent $base_url$list_tags_url \
        -H "$headers"
)
while [ "$tag_name" = "" ]; do
    tag_name=$(
        echo $tags |
            jq \
                --raw-output \
                --arg commit_sha $commit_sha \
                '.[] | select(.commit.sha == $commit_sha) | .name'
    )
    commit_sha=$(
        curl \
            --silent $base_url$list_commites_url/$commit_sha \
            -H "$heaers" |
            jq -r '.parents[0].sha'
    )
done
echo $tag_name