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|
#!/bin/bash
set -e
if [ $# -eq 2 ]; then
>&2 echo curl -Lo "$1" "$2"
curl -Lo "$1" "$2"
exit
fi
if [ $# -ne 1 ] || [ ! -d "$1" ]; then
>&2 echo 'usage:'
>&2 printf '%s /path/to/mirror\n' "$0"
exit 1
fi
if [ "$(whoami)" != 'mirror' ]; then
exec su mirror -c "$0 $*"
fi
exec 9> /tmp/sync-any-packages.lock
if ! flock -n 9; then
>&2 echo 'cannot obtain lock'
exit
fi
dir="$(readlink -e "$1")"
for repo in core extra; do
mirrors=(
$(
sed -n '
s/^Server = //
T
s/\$arch/x86_64/
s/\$repo/'"${repo}"'/
p
' '/etc/pacman.d/mirrorlist'
)
)
bsdtar -Oxf "/var/lib/pacman/sync/${repo}.db" \
| sed -n '
/^%\(FILENAME\|CSIZE\|PGPSIG\)%/ {
N
s/^.*\n//
p
}
' \
| sed '
/-any\.pkg\.tar\.zst$/ !d
N
s/\n/ /
N
s/\n/ /
' \
| while read -r pkg size sig; do
[ -f "${dir}/pool-any/${pkg}" ] \
&& [ -f "${dir}/pool-any/${pkg}.sig" ] \
&& [ $(stat -c%s "${dir}/pool-any/${pkg}") -eq "${size}" ] \
&& continue
printf '%s\n' "${sig}" \
| base64 -d \
> "${dir}/pool-any/${pkg}.sig"
printf '%s/pool-any/%s\n%s/%s\n' "${dir}" "${pkg}" "$(printf '%s\n' "${mirrors[@]}" | shuf -n1)" "${pkg}"
done \
| parallel -N 2 -j 20 "$0"
done
tmp_dir=$(mktemp -d)
trap 'cd / && rm -rf --one-file-system "${tmp_dir:?}"' EXIT
for repo in core extra; do
bsdtar -C "${tmp_dir}" -xf "/var/lib/pacman/sync/${repo}.db"
done
for desc_file in "${tmp_dir}/"*"/desc"; do
sed '
/^%ARCH%$/ !d
N
s/^.*\n//
' "${desc_file}" \
| grep -qxF any \
&& continue
rm "${desc_file}"
rmdir "${desc_file%/*}"
done
cd "${tmp_dir}"
bsdtar -czf "${dir}/pool-any/build-support-any.db.tar.gz" --strip-components=1 .
|