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DevOps-Bash-tools/github_repo_latest_release.sh

54 lines
1.3 KiB
Bash

#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
# args: anchore/grype
#
# Author: Hari Sekhon
# Date: 2022-01-10 18:33:13 +0000 (Mon, 10 Jan 2022)
#
# https://github.com/HariSekhon/bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/HariSekhon
#
set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(dirname "${BASH_SOURCE[0]}")"
# shellcheck disable=SC1090
. "$srcdir/lib/utils.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Returns the latest release name/version for a given 'owner/repo' via the GitHub API
If a repo has no releases, gets a 404 error
Requires curl and jq to be installed
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="<owner>/<repo>"
help_usage "$@"
check_bin curl
check_bin jq
min_args 1 "$@"
owner_repo="$1"
# TODO: find authoritative source on what is allowed in these names before enabling this
#if ! [[ "$owner_repo" =~ ^[[:alnum:]-]+[[:alnum:]-]+$ ]]; then
# die "Invalid owner/repo argument given: $owner_repo"
#fi
curl -sSL --fail "https://api.github.com/repos/$owner_repo/releases/latest" |
jq_debug_pipe_dump |
jq -r .tag_name