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kiss/contrib/kiss-size
2021-07-04 13:52:35 +03:00

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#!/bin/sh -ef
# Show the size on disk for a package
get_size() {
# Naive function to convert bytes to human readable
# sizes (MB, KB, etc). This is probably wrong in places
# though we can fix this over time. It's a start.
case ${#1} in
[0-3]) hum=$(($1))KB ;;
[4-6]) hum=$(($1 / 1024))MB ;;
[7-9]) hum=$(($1 / 1024 / 1024))GB ;;
*) hum=$(($1)) ;;
esac
printf '%s\t%s\n' "$hum" "$2"
}
# Use the current directory as the package name if no package is given.
[ "$1" ] || set -- "${PWD##*/}"
# Ignore shellcheck as we want the warning's behavior.
# shellcheck disable=2015
kiss list "${1:-null}" >/dev/null || {
printf 'usage: kiss-size [pkg]\n'
exit 1
}
# Filter directories from manifest and leave only files.
# Directories in the manifest end in a trailing '/'.
files=$(sed -e "s|^|$KISS_ROOT|" -e 's|.*/$||' \
"$KISS_ROOT/var/db/kiss/installed/$1/manifest")
# Send the file list to 'du'.
# This unquoted variable is safe as word splitting is intended
# and globbing is globally disabled in this script.
# shellcheck disable=2086
du -sk -- $files 2>/dev/null |
# Iterate over each line and convert the byte output to human
# readable (MB, KB, GB, etc).
while read -r size file || {
get_size "$tot" total >&2
break
} do
get_size "$size" "$file"
tot=$((tot + size))
done