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#!/usr/bin/env bash
# Copyright (c) 2016 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "Cygwin configuration files" project.
# For details, see https://github.com/egor-tensin/cygwin-home.
# Distributed under the MIT License.
checksums_path='sha1sums.txt'
list_checksums_paths() (
set -o errexit -o nounset -o pipefail
if [ -f "$checksums_path" ]; then
local path
while IFS= read -r path; do
printf '%s\0' "$path"
done < <( sed --binary 's/^\\\?[[:alnum:]]\+ [ *]//' "$checksums_path" )
fi
)
update_checksums() (
set -o errexit -o nounset -o pipefail
local path
local -A existing
while IFS= read -d '' -r path; do
existing[$path]=1
done < <( list_checksums_paths )
local -a missing
for path in "$@"; do
if [ -z "${existing[$path]+x}" ]; then
missing+=("$path")
fi
done
sha1sum -- ${missing[@]+"${missing[@]}"} >> "$checksums_path"
)
update_checksums_distr() (
set -o errexit -o nounset -o pipefail
local -a paths
local path
while IFS= read -d '' -r path; do
paths+=("$path")
done < <( find . -type f -\( -iname '*.exe' -o -iname '*.iso' -\) -printf '%P\0' )
update_checksums ${paths[@]+"${paths[@]}"}
)
verify_checksums() {
sha1sum --check "$checksums_path"
}
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