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#!/bin/bash
# receive one package to be built from the build-list whose dependencies
# are already satisfied or which breaks a dependency cycle
# TODO:
# respect build-manually-list
. "${0%/*}/../conf/default.conf"
mkdir -p "${work_dir}/package-states"
hand_out_assignment() {
if [ -f "${work_dir}/package-states/$1.$2.$3.locked" ]; then
return 0
fi
echo "$1 $2 $3"
echo "${SSH_CLIENT}" > "${work_dir}/package-states/$1.$2.$3.locked"
rm -f "${lock_file}"
exit 0
}
# Create a lock file.
exec 9> "${lock_file}"
flock -n 9 || exit
while read -r package git_revision repository; do
[ -z "$(
(
cat "${work_dir}/package-infos/${package}."*".needs"
awk '{print $1}' "${work_dir}/build-list"
) | \
sort | \
uniq -d
)" ] || continue
hand_out_assignment "${package}" "${git_revision}" "${repository}"
done < "${work_dir}/build-list"
if [ -s "${work_dir}/tsort.error" ]; then
grep -A1 '^tsort: -: input contains a loop:$' "${work_dir}/tsort.error" | \
cut -d' ' -f2 | \
grep -v -- '^-:$' | \
while read package; do
grep "^${package} " "${work_dir}/build-list" | \
while read -r package git_revision repository; do
hand_out_assignment "${package}" "${git_revision}" "${repository}"
done
done
fi
# Remove the lock file
rm -f "${lock_file}"
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