cascading-pr/cascading-pr.sh

#!/bin/bash
# SPDX-License-Identifier: MIT

SELF_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
source $SELF_DIR/cascading-pr-lib.sh

trap "rm -fr $TMPDIR" EXIT

function repo_login() {
    local repo="$1"
    (
	export DOT=$TMPDIR/$repo
	forgejo-curl.sh logout
	forgejo-curl.sh --token "${options[destination_token]}" login "${options[destination_url]}"
    )
}

function repo_curl() {
    local repo=$1
    shift
    DOT=$TMPDIR/$repo forgejo-curl.sh "$@"
}

function run() {
    options[origin_host_port]=$(host_port ${options[origin_url]})
    options[destination_host_port]=$(host_port ${options[destination_url]})
    : ${options[prefix]:=${options[origin_repo]}}

    repo_login ${options[destination_repo]}
    repo_login ${options[origin_repo]}

    # open a PR on destination
    # checkout the head of the PR
    # update the PR
    # force-push the head
    # wait on the status of the tip of the head
}

function main() {
    while true; do
	case "$1" in
	    --verbose)
		shift
		verbose
		;;
	    --debug)
		shift
		debug
		;;
	    --origin-url)
		shift
		options[origin_url]=$1
		shift
		;;
	    --origin-repo)
		shift
		options[origin_repo]=$1
		shift
		;;
	    --origin-token)
		shift
		options[origin_token]=$1
		shift
		;;
	    --destination-url)
		shift
		options[destination_url]=$1
		shift
		;;
	    --destination-repo)
		shift
		options[destination_repo]=$1
		shift
		;;
	    --destination-token)
		shift
		options[destination_token]=$1
		shift
		;;
	    --destination-branch)
		shift
		options[destination_branch]=$1
		shift
		;;
	    --update)
		shift
		options[update]=$1
		shift
		;;
	    --prefix)
		shift
		options[prefix]=$1
		shift
		;;
	    *)
		"${1:-run}"
		return 0
		;;
	esac
    done
}

${MAIN:-main} "${@}"