Duplicate milestones from one repo to another.

duplicateMilestones.sh

#!/bin/bash

source="$1"
destination="$2"
cwd="$PWD"

cd "$source"

milestones=$(gh listMilestones | jq ".data.repository.milestones.nodes" | jq -c ".[]")

cd "$cwd"
cd "$destination"

for milestone in $milestones; do
    parsed=$(echo $milestone | jq -c "{title: .title, state: .state | ascii_downcase, due_on: .dueOn, description: .description}")
    echo "$parsed" | gh createMilestone
done

cd "$cwd"

Prerequisites:

1. Install jq: https://stedolan.github.io/jq/
2. https://gist.github.com/doi-t/5735f9f0f7f8b7664aa6739bc810a2cc

Usage:

./duplicateMilestones.sh <source> <destination>, where <source> and <destination> are paths of source repo and destination repo respectively.

Setting permanent gh alias

1. Copy full script
2. Run gh alias set --shell replicateMilestones '<paste>' (don't forget the quotes around the whole script)
3. Usage: gh replicateMilestones <source> <destination>