blob: 92fd207c98302fa5a516bbba904c9dc7192d5573 (
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#!/bin/sh
# Exit codes:
# 0 - Success
# 1 - Missing args
# 2 - File not found
set -e
usage() {
echo "Usage: $(basename "$0") [-u KEY_ID] <file-to-sign>" >&2
echo "\t-u KEY_ID\tUse a specific GPG key to sign with (optional)" >&2
exit 1
}
USER_KEY=""
while getopts ":u:" opt; do
case "$opt" in
u) USER_KEY="$OPTARG" ;;
*) usage ;;
esac
done
shift $((OPTIND - 1))
if [ $# -ne 1 ]; then
echo "Error: Missing file to sign." >&2
usage
fi
FILE="$1"
if [ ! -f "$FILE" ]; then
echo "Error: File '$FILE' not found." >&2
exit 2
fi
GPG_CMD="gpg --include-key-block --openpgp -b"
if [ -n "$USER_KEY" ]; then
GPG_CMD="$GPG_CMD --local-user $USER_KEY"
fi
eval "$GPG_CMD \"$FILE\"" && echo "Signature created: ${FILE}.sig"
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