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sharedinbox/scripts/secrets-encrypt.sh
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#!/usr/bin/env bash
# Encrypts secrets.env → secrets.age using an age public key.
#
# Usage:
# scripts/secrets-encrypt.sh [AGE1...] public key as positional argument
# AGE_PUBLIC_KEY=AGE1... scripts/secrets-encrypt.sh
# scripts/secrets-encrypt.sh reads public key from .age-public-key
#
# The private key never touches this script. Only the public key is needed to
# encrypt. Store the private key in CI as SECRETS_AGE_KEY and keep a local
# copy at ~/.config/age/sharedinbox.key (or wherever you prefer).
set -euo pipefail
REPO_ROOT=$(git rev-parse --show-toplevel 2>/dev/null) \
|| REPO_ROOT=$(cd "$(dirname "$0")/.." && pwd)
SECRETS_ENV="${SECRETS_ENV:-${REPO_ROOT}/secrets.env}"
SECRETS_AGE="${SECRETS_AGE:-${REPO_ROOT}/secrets.age}"
KEY_FILE="${REPO_ROOT}/.age-public-key"
if [ -n "${1:-}" ]; then
PUBLIC_KEY="$1"
elif [ -n "${AGE_PUBLIC_KEY:-}" ]; then
PUBLIC_KEY="$AGE_PUBLIC_KEY"
elif [ -f "$KEY_FILE" ]; then
PUBLIC_KEY=$(cat "$KEY_FILE")
PUBLIC_KEY="${PUBLIC_KEY%%$'\n'*}" # take only the first line
else
echo "ERROR: No age public key provided." >&2
echo " Pass it as an argument: scripts/secrets-encrypt.sh AGE1..." >&2
echo " Or store it in .age-public-key: age-keygen -y ~/.config/age/sharedinbox.key > .age-public-key" >&2
exit 1
fi
if [ ! -f "$SECRETS_ENV" ]; then
echo "ERROR: secrets.env not found at $SECRETS_ENV" >&2
echo " Copy secrets.env.example to secrets.env and fill in values." >&2
exit 1
fi
age --encrypt --recipient "$PUBLIC_KEY" --output "$SECRETS_AGE" "$SECRETS_ENV"
echo "Encrypted $SECRETS_ENV$SECRETS_AGE"
echo "Commit secrets.age to keep CI in sync."