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DevOps-Bash-tools/git/github_purge_camo_cache.sh

67 lines
1.8 KiB
Bash

#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
# args: HariSekhon/DevOps-Bash-tools
#
# Author: Hari Sekhon
# Date: 2023-05-08 18:00:53 +0100 (Mon, 08 May 2023)
#
# https://github.com/HariSekhon/DevOps-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 "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/github.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Purges all GitHub camo caches for things like CI/CD badges
If no owner/repo arg is given, attempts to determine the GitHub repo from the current git repo's origin
https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/about-anonymized-urls#removing-an-image-from-camos-cache
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="[<owner>/<repo>]"
help_usage "$@"
#min_args 1 "$@"
max_args 1 "$@"
if [ $# -gt 0 ]; then
owner_repo="$1"
else
if is_github_origin; then
owner_repo="$(github_origin_owner_repo)"
else
usage "no <owner>/<repo> arg given and current directory doesn't appear to be a GitHub clone to auto-determine it"
fi
fi
if ! is_github_owner_repo "$owner_repo"; then
usage "Invalid owner/repo given: $owner_repo"
fi
url="https://github.com/$owner_repo"
timestamp "Fetching: $url"
curl -sL "$url" |
grep -Eo '<img src="https?://camo.githubusercontent.com/[^"]+' |
sed -e 's/<img src="//' |
while read -r camo_url; do
timestamp "Purging: $camo_url"
echo "curl -sX PURGE '$camo_url' &>/dev/null"
done |
parallel -j 10