edit-notes.sh

#!/bin/bash

set -euo pipefail

SCRIPT_PATH=$(realpath "$0")
SCRIPT_DIR=$(dirname "$SCRIPT_PATH")

. "$SCRIPT_DIR/commit-utils.sh"
. "$SCRIPT_DIR/meta-utils.sh"

print_help() {
	echo "usage: $0 <commits>"
	echo "commits: commits to edit notes for"
}

if [[ $# -eq 0 ]]; then
	print_help
	exit 1
fi

COMMITS=()
parse_commitish COMMITS "$@"

EDITOR=$(git var GIT_EDITOR)

for COMMIT in "${COMMITS[@]}"; do
	CHANGE_ID=$(git log -1 --format=%B "$COMMIT" | get_change_id)
	if [[ -z "$CHANGE_ID" ]]; then
		echo "Skipping $COMMIT: no Change-Id found" >&2
		continue
	fi

	echo "Found Change-Id $CHANGE_ID for commit $COMMIT"

	TMP_FILE=$(mktemp)
	META_CONTENT=$(get_change_id_meta_content "$CHANGE_ID")
	NOTE_CONTENT=$(get_commit_git_notes "$COMMIT")
	if [[ -n "$META_CONTENT" ]]; then
		printf '%s\n' "$META_CONTENT" >"$TMP_FILE"
	elif [[ -n "$NOTE_CONTENT" ]]; then
		printf '%s\n' "$NOTE_CONTENT" >"$TMP_FILE"
	fi

	notes_default_message "$COMMIT" >>"$TMP_FILE"

	echo "Editing note for $CHANGE_ID"
	$EDITOR "$TMP_FILE"

	cleanup_notes "$TMP_FILE"
	set_change_id_meta_content_from_file "$CHANGE_ID" "$TMP_FILE"
done