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|
#!/bin/sh
# receive one package to be built from the build-list whose dependencies
# are already satisfied or which breaks a dependency cycle
# accepts a comma separated list of prefered packages as the first argument
# exit code shows state of success:
# 0: ok, I gave you an assignment
# 1: come back (shortly) later - I was running already
# 2: come back later - there are still packages to be built,
# but currently none has all its dependencies ready
# 3: come back after the next run of get-package-updates - currently
# there are no pending packages
# shellcheck source=conf/default.conf
. "${0%/*}/../conf/default.conf"
# TODO: honor manual build order of tool-chain:
# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc
mkdir -p "${work_dir}/package-states"
hand_out_assignment() {
# we don't care anymore if an older version of this package was
# "locked" or "broken"
find "${work_dir}/package-states" -maxdepth 1 -regextype grep \
-regex '.*/'"$(str_to_regex "$1")"'\(\.[^.]\+\)\{3\}\.\(locked\|broken\)' \
-not -regex '.*/'"$(str_to_regex "$1.$2.$3.$4.")"'[^.]\+' \
-delete
# move that build order to the end of the build-list
sed -i '
/^'"$(str_to_regex "$1 $2 $3 $4")"'$/ {
$ b
d
}
$ a '"$1 $2 $3 $4" \
"${work_dir}/build-list"
# shellcheck disable=SC2016
{
printf 'SELECT '
printf '`package_sources`.`%s`,' \
'pkgbase' 'git_revision' 'mod_git_revision'
printf '`upstream_repositories`.`name`,`binary_packages`.`sub_pkgrel`'
printf ' FROM `upstream_repositories`'
printf ' JOIN `%s` ON `%s`.`%s`=`%s`.`id`' \
'package_sources' 'package_sources' 'upstream_package_repository' 'upstream_repositories' \
'build_assignments' 'build_assignments' 'package_source' 'package_sources' \
'binary_packages' 'binary_packages' 'build_assignment' 'build_assignments' \
'repositories' 'binary_packages' 'repository' 'repositories'
printf ' WHERE `repositories`.`name`="build-list"'
printf ' AND `package_sources`.`%s`=from_base64("%s")' \
'pkgbase' "$(printf '%s' "$1" | base64 -w0)" \
'git_revision' "$(printf '%s' "$2" | base64 -w0)" \
'mod_git_revision' "$(printf '%s' "$3" | base64 -w0)"
printf ' AND `upstream_repositories`.`name`=from_base64("%s")' \
"$(printf '%s' "$4" | base64 -w0)"
printf ' LIMIT 1;\n'
} | \
${mysql_command} --raw --batch | \
sed '
1d
y/\t/ /
'
{
# shellcheck disable=SC2154
echo "${slave}"
if [ -r "${work_dir}/package-states/$1.$2.$3.$4.locked" ]; then
cat "${work_dir}/package-states/$1.$2.$3.$4.locked"
fi
} | \
sort -u | \
sponge "${work_dir}/package-states/$1.$2.$3.$4.locked"
# shellcheck disable=SC2016
{
printf 'UPDATE `build_slaves`'
printf ' SET `currently_building` = ('
printf ' SELECT `build_assignments`.`id`'
printf ' FROM `build_assignments`'
printf ' JOIN `package_sources` ON `build_assignments`.`package_source`=`package_sources`.`id`'
printf ' JOIN `upstream_repositories` ON `package_sources`.`upstream_package_repository`=`upstream_repositories`.`id`'
printf ' WHERE'
printf ' `package_sources`.`%s` = from_base64("%s") AND' \
'pkgbase' "$(printf '%s' "$1" | base64 -w0)" \
'git_revision' "$(printf '%s' "$2" | base64 -w0)" \
'mod_git_revision' "$(printf '%s' "$3" | base64 -w0)"
printf ' `upstream_repositories`.`name` = from_base64("%s")' \
"$(printf '%s' "$4" | base64 -w0)"
printf ')'
printf ' WHERE `build_slaves`.`name`=from_base64("%s");\n' \
"$(printf '%s' "${slave}" | base64 -w0)"
printf 'UPDATE `build_assignments`'
printf ' JOIN `package_sources` ON `build_assignments`.`package_source`=`package_sources`.`id`'
printf ' JOIN `upstream_repositories` ON `package_sources`.`upstream_package_repository`=`upstream_repositories`.`id`'
printf ' SET `build_assignments`.`priority`=0'
printf ' WHERE'
printf ' `package_sources`.`%s` = from_base64("%s") AND' \
'pkgbase' "$(printf '%s' "$1" | base64 -w0)" \
'git_revision' "$(printf '%s' "$2" | base64 -w0)" \
'mod_git_revision' "$(printf '%s' "$3" | base64 -w0)"
printf ' `upstream_repositories`.`name` = from_base64("%s");\n' \
"$(printf '%s' "$4" | base64 -w0)"
} | \
${mysql_command}
# lock every loop this package breaks
find "${work_dir}/build-list.loops" -maxdepth 1 -regextype grep \
-regex '.*/loop_[0-9]\+' \
-exec grep -qxF "$1" '{}' \; \
-exec touch '{}.locked' \;
exit 0
}
if [ -s "${work_dir}/build-master-sanity" ]; then
>&2 echo 'Build master is not sane.'
exit 1
fi
# Create a lock file and a trap.
exec 9> "${build_list_lock_file}"
if ! flock -n 9; then
>&2 echo 'come back (shortly) later - I cannot lock build list.'
exit 1
fi
exec 8> "${sanity_check_lock_file}"
if ! flock -s -n 8; then
>&2 echo 'come back (shortly) later - sanity-check running.'
exit 1
fi
clean_up() {
rm -f "${build_list_lock_file}"
rm -rf --one-file-system "${tmp_dir}"
}
tmp_dir=$(mktemp -d 'tmp.get-assignment.XXXXXXXXXX' --tmpdir)
trap clean_up EXIT
# if we're building something already, hand it out (again)
currently_building=$(
# shellcheck disable=SC2016
{
printf 'SELECT '
mysql_query_select_pkgbase_and_revision
printf ' JOIN `%s` ON `%s`.`%s`=`%s`.`id`' \
'build_slaves' 'build_slaves' 'currently_building' 'build_assignments' \
'binary_packages' 'binary_packages' 'build_assignment' 'build_assignments' \
'repositories' 'binary_packages' 'repository' 'repositories'
printf ' WHERE `build_slaves`.`name`=from_base64("%s")' \
"$(printf '%s' "${slave}" | base64 -w0)"
printf ' AND `repositories`.`name`="build-list"'
printf ' LIMIT 1;\n'
} | \
${mysql_command} --batch --raw | \
sed '1d'
)
if [ -n "${currently_building}" ]; then
# shellcheck disable=SC2086
hand_out_assignment ${currently_building}
fi
# a package with all dependencies met or which is part of a loop,
# that we requested or
# which has been built the least times
next_building=$(
# shellcheck disable=SC2016
{
printf 'SELECT '
printf '`package_sources`.`pkgbase`=from_base64("%s") AS `requested`,' \
"$(
printf '%s' "$1" | \
base64 -w0
)"
printf '`build_assignments`.`priority`,'
printf '('
printf 'SELECT COUNT(*)'
printf ' FROM `failed_builds`'
printf ' WHERE `failed_builds`.`build_assignment`=`build_assignments`.`id`'
printf ') AS `trials`,'
mysql_query_is_part_of_loop '`build_assignments`.`id`'
printf ' AS `part_of_loop`,'
mysql_query_select_pkgbase_and_revision
printf ' JOIN `%s` ON `%s`.`id`=`%s`.`%s`' \
'binary_packages' 'build_assignments' 'binary_packages' 'build_assignment' \
'repositories' 'repositories' 'binary_packages' 'repository'
printf ' WHERE `repositories`.`name`="build-list"'
printf ' AND NOT EXISTS ('
printf ' SELECT *'
printf ' FROM `build_slaves`'
printf ' WHERE `build_slaves`.`currently_building`=`build_assignments`.`id`'
printf ') AND ('
printf '`build_assignments`.`is_blocked` IS NULL'
printf ' OR'
printf ' `package_sources`.`pkgbase`=from_base64("%s")' \
"$(
printf '%s' "$1" | \
base64 -w0
)"
printf ') AND ('
mysql_query_is_part_of_loop '`build_assignments`.`id`'
printf ' OR NOT '
mysql_query_has_pending_dependencies '`build_assignments`.`id`'
printf ')'
printf ' ORDER BY `requested` DESC, `priority` DESC, `trials`, `part_of_loop`, `build_assignments`.`id`'
printf ' LIMIT 1;\n'
} | \
${mysql_command} --batch --raw | \
sed '
1d
y/\t/ /
s/^\(\S\+ \)\{4\}//
'
)
if [ -n "${next_building}" ]; then
# shellcheck disable=SC2086
hand_out_assignment ${next_building}
fi
# Check if there are any pending packages at all
count_pending=$(
# shellcheck disable=SC2016
{
printf 'SELECT count(*)'
printf ' FROM `build_assignments`'
printf ' JOIN `%s` ON `%s`.`id`=`%s`.`%s`' \
'binary_packages' 'build_assignments' 'binary_packages' 'build_assignment' \
'repositories' 'repositories' 'binary_packages' 'repository'
printf ' WHERE `repositories`.`name`="build-list"'
printf ' AND `build_assignments`.`is_blocked` IS NULL'
printf ';\n'
} | \
${mysql_command} --batch --raw | \
sed '1d'
)
if [ "${count_pending}" -eq 0 ]; then
>&2 echo 'come back after the next run of get-package-updates - currently there are no pending packages'
exit 3
else
>&2 echo 'come back later - there are still packages to be built, but currently none has all its dependencies ready'
exit 2
fi
|
