#!/usr/bin/env bash

checksums_path='sha1sums.txt'

update_checksums() {
    sha1sum -- "$@" > "$checksums_path"
}

update_checksums_distr() (
    set -o errexit -o nounset -o pipefail

    local -a paths
    local path

    while IFS= read -d '' -r path; do
        paths+=("$path")
    done < <( find . -type f -\( -iname '*.exe' -o -iname '*.iso' -\) -print0 )

    update_checksums "${paths[@]+"${paths[@]}"}"
)

verify_checksums() {
    sha1sum --check "$checksums_path"
}