133 lines
2.7 KiB
Bash
133 lines
2.7 KiB
Bash
# Save file checksums.
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# Usage: checksum_create [FILES]
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checksum_create()
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{
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local IFS=$'\n'
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local targets=("${@}")
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local count=0
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local total=${#}
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local failed=0
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# All files by default.
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if [[ "${targets}" = "" ]]; then
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targets=($(ls --classify | grep -v /\$))
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total=${#targets[@]}
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fi
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# Iterate each file.
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for target in "${targets[@]}"; do
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local hashfile=".${target#./}.sha1"
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# Increment count.
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((count++))
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# Status info.
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local status="[${count}/${total}] ${target}"
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echo -e "${status}"
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# Skip if hash exists.
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[[ -f "${hashfile}" ]] && continue
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# Calculate hash.
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pv "${target}" | sha1sum > ${hashfile}
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# Report success.
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if [[ ${?} != 0 ]]; then
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echo -e "${color_bred}${status}: Failed.${color_default}"
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((failed++))
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fi
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done
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if [[ ${failed} != 0 ]]; then
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echo -e "${color_bred}Failed: ${failed}.${color_default}"
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false
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fi
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}
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# Check stored values against actual files.
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checksum_check()
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{
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local IFS=$'\n'
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local targets=("${@}")
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local count=0
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local total=${#}
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local failed=0
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local skipped=0
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# All files by default.
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if [[ "${targets}" = "" ]]; then
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targets=($(ls --classify | grep -v /\$))
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total=${#targets[@]}
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fi
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# Iterate each file.
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for target in "${targets[@]}"; do
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local hashfile=".${target#./}.sha1"
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# Increment count.
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((count++))
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# Status info.
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local status="[${count}/${total}] ${target}"
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echo -e "${status}"
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# Skip if hash doesn't exist.
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[[ -f "${hashfile}" ]] || { ((skipped++)); continue; }
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# Calculate hash.
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local stored=$(cat "${hashfile}" | cut -d\ -f1)
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local actual=$(pv "${target}" | sha1sum | cut -d\ -f1)
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if [[ "${stored}" != "${actual}" ]]; then
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echo -e "${color_bred}${status}: Failed.${color_default}"
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((failed++))
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fi
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done
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if [[ ${skipped} != 0 ]]; then
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echo -e "${color_byellow}Skipped: ${skipped}.${color_default}"
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false
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fi
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if [[ ${failed} != 0 ]]; then
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echo -e "${color_bred}Failed: ${failed}.${color_default}"
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false
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fi
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}
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checksum()
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{
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find -type f | parallel -j $(_core_count) -- sha1sum {} >> checksum.sha1
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}
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_checksum_create()
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{
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local path="${1%/*}"
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local name="${1##*/}"
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sha1sum "${path}/${name}" > "${path}/.${name}.sha1"
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}
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_checksum_check()
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{
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local file="${1##*\ \ }"
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local stored="${1%%\ \ *}"
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# Skip if no file.
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[[ -f "${file}" ]] || return 0
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# Check file hash.
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local actual=$(sha1sum "${file}")
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actual="${actual%%\ \ *}"
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# Compare values.
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if [[ "${stored}" != "${actual}" ]]; then
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echo -e "${color_bred}${file}: Failed.${color_default}"
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return 1
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fi
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return 0
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}
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export -f checksum_create checksum_check
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export -f _checksum_check _checksum_create
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