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descheduler/hack/lib/generator-help.sh

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#!/usr/bin/env bash
# Utility command based on 'find' command. The pipeline is as following:
# 1. find all the go files; (exclude specific path: vendor etc)
# 2. find all the files containing specific tags in contents;
# 3. extract related dirs;
# 4. remove duplicated paths;
# 5. merge all dirs in array with delimiter ,;
#
# Example:
# find_dirs_containing_comment_tags("+k8s:")
# Return:
# sigs.k8s.io/descheduler/a,sigs.k8s.io/descheduler/b,sigs.k8s.io/descheduler/c
function find_dirs_containing_comment_tags() {
array=()
while IFS='' read -r line; do array+=("$line"); done < <( \
find . -type f -name \*.go -not -path "./vendor/*" -not -path "./_tmp/*" -print0 \
| xargs -0 grep --color=never -l "$@" \
| xargs -n1 dirname \
| LC_ALL=C sort -u \
)
IFS=",";
printf '%s' "${array[*]}";
}