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#!/usr/bin/env bash | |
# Given a commit sha (defaults to current commit), creates PRs for every | |
# branch on the stack of the given commit. Each PR is created with its base | |
# as the nearest ancestor of the given branch that is also a branch. | |
set -euo pipefail | |
commit="${1:-.}" | |
base="$(git config branchless.core.mainBranch)" | |
remote="origin" | |
git-branchless submit --create "stack(\"$commit\")" | |
# FIXME: Remove `| tac` once | |
# https://github.com/arxanas/git-branchless/issues/554 is fixed | |
branches="$(git-branchless query -b "stack(\"$commit\")" | tac)" | |
while read -r branch <&3; do | |
existing_pr="$(gh pr view "$branch" --json url -t "{{.url}}" || echo -n "")" | |
if [ -n "$existing_pr" ]; then | |
echo "PR $existing_pr already exists for branch $branch" | |
continue | |
fi | |
ancestor_query="ancestors(parents(\"$branch\")) & branches() & draft()" | |
parent_branch=$(git-branchless query -b "$ancestor_query - ancestors(parents($ancestor_query))") | |
if [ -z "$parent_branch" ]; then | |
parent_branch="$base" | |
else | |
if [[ $parent_branch =~ $'\n' ]]; then | |
echo "ERROR: Branch $branch has more than one parent branch: $parent_branch" | |
exit 1 | |
fi | |
gh pr view "$parent_branch" --json url -t "Depends on {{.url}}" | pbcopy | |
echo "Copied dependency message to clipboard for use in PR body" | |
fi | |
gh pr create \ | |
--draft \ | |
--base "$parent_branch" \ | |
--head "$branch" | |
done 3<<<"$branches" |
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