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paperclip/scripts/create-github-release.sh

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#!/usr/bin/env bash
set -euo pipefail
REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
# shellcheck source=./release-lib.sh
. "$REPO_ROOT/scripts/release-lib.sh"
dry_run=false
version=""
usage() {
cat <<'EOF'
Usage:
./scripts/create-github-release.sh <version> [--dry-run]
Examples:
./scripts/create-github-release.sh 2026.318.0
./scripts/create-github-release.sh 2026.318.0 --dry-run
Notes:
- Run this after pushing the stable tag.
- Resolves the git remote automatically.
- In GitHub Actions, origin is used explicitly.
- If the release already exists, this script updates its title and notes.
EOF
}
while [ $# -gt 0 ]; do
case "$1" in
--dry-run) dry_run=true ;;
-h|--help)
usage
exit 0
;;
*)
if [ -n "$version" ]; then
echo "Error: only one version may be provided." >&2
exit 1
fi
version="$1"
;;
esac
shift
done
if [ -z "$version" ]; then
usage
exit 1
fi
if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
echo "Error: version must be a stable calendar version like 2026.318.0." >&2
exit 1
fi
tag="v$version"
notes_file="$REPO_ROOT/releases/${tag}.md"
if [ "${GITHUB_ACTIONS:-}" = "true" ] && [ -z "${PUBLISH_REMOTE:-}" ] && git_remote_exists origin; then
PUBLISH_REMOTE=origin
fi
PUBLISH_REMOTE="$(resolve_release_remote)"
if ! command -v gh >/dev/null 2>&1; then
echo "Error: gh CLI is required to create GitHub releases." >&2
exit 1
fi
GITHUB_REPO="$(github_repo_from_remote "$PUBLISH_REMOTE" || true)"
if [ -z "$GITHUB_REPO" ]; then
echo "Error: could not determine GitHub repository from remote $PUBLISH_REMOTE." >&2
exit 1
fi
if [ ! -f "$notes_file" ]; then
echo "Error: release notes file not found at $notes_file." >&2
exit 1
fi
if ! git -C "$REPO_ROOT" rev-parse "$tag" >/dev/null 2>&1; then
echo "Error: local git tag $tag does not exist." >&2
exit 1
fi
if [ "$dry_run" = true ]; then
echo "[dry-run] gh release create $tag -R $GITHUB_REPO --title $tag --notes-file $notes_file"
exit 0
fi
if ! git -C "$REPO_ROOT" ls-remote --exit-code --tags "$PUBLISH_REMOTE" "refs/tags/$tag" >/dev/null 2>&1; then
echo "Error: remote tag $tag was not found on $PUBLISH_REMOTE. Push the release commit and tag first." >&2
exit 1
fi
if gh release view "$tag" -R "$GITHUB_REPO" >/dev/null 2>&1; then
gh release edit "$tag" -R "$GITHUB_REPO" --title "$tag" --notes-file "$notes_file"
echo "Updated GitHub Release $tag"
else
gh release create "$tag" -R "$GITHUB_REPO" --title "$tag" --notes-file "$notes_file"
echo "Created GitHub Release $tag"
fi