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|
#!/bin/bash
# check for packages that need to be built, and build a list in the proper build order
# Details:
# https://github.com/archlinux32/builder/wiki/Build-system#get-package-updates
# TODO:
# include repository of package customizations
. "${0%/*}/../conf/default.conf"
# Create a lock file for build list.
exec 9> "${lock_file}"
flock -n 9 || exit
# Update git repositories (official packages, community packages and the repository of package customizations).
for repo in "${repo_paths[@]}"; do
git -C "${repo}" clean -df
git -C "${repo}" checkout master
git -C "${repo}" pull
done
# Read previous git revision numbers from files.
declare -A old_repo_revisions
for repo in "${!repo_paths[@]}"; do
old_repo_revisions["${repo}"]="$(
cat "${work_dir}/${repo}.revision" 2> /dev/null || \
echo NONE
)"
git -C "${repo_paths["${repo}"]}" rev-parse HEAD > \
"${work_dir}/${repo}.revision.new"
done
echo 'Check modified packages from the last update, and put them to the build list.'
# Check modified packages from the last update, and put them to the build list.
# If a package is updated, but already on the rebuild list, then just update the git revision number.
# If a package is deleted, remove from the rebuild list, and add it to the deletion list.
# If a new package is added, then ensure that it's not on the deletion list.
cp "${work_dir}/build-list"{,.new}
cp "${work_dir}/deletion-list"{,.new}
(
for repo in "${!repo_paths[@]}"; do
current_HEAD="$(cat "${work_dir}/${repo}.revision.new")"
(
if [ "${old_repo_revisions["${repo}"]}" == "NONE" ]; then
git -C "${repo_paths["${repo}"]}" archive --format=tar HEAD | \
tar -t | \
sed 's|^|A\t|'
else
git -C "${repo_paths["${repo}"]}" diff --no-renames --name-status "${old_repo_revisions["${repo}"]}" HEAD
fi
) | \
grep '^.\s[^/]\+/repos/[^/]\+/PKGBUILD$' | \
grep -v -- '-i686/PKGBUILD$' | \
sed 's|^\(.\)\t\([^/]\+\)/repos/\([^/]\+\)-[^/-]\+/PKGBUILD$|\1 \2 '"${current_HEAD}"' \3|' | \
grep -v '\(staging\|testing\)$'
done | \
sort -u
sed "s|^\(.*\)\$|D \1 $(cat "${work_dir}/archlinux32.revision.new") archlinux32|" "${repo_paths["archlinux32"]}/blacklist"
) | \
while read -r mode package git_revision repository; do
case "${mode}" in
"A"|"M")
sed -i "/^${package} /d" "${work_dir}/build-list"
echo "${package} ${git_revision} ${repository}" >> \
"${work_dir}/build-list.new"
sed -i "/^${package}\$/d" "${work_dir}/deletion-list.new"
;;
"D")
echo "${package}" >> \
"${work_dir}/deletion-list.new"
sed -i "/^${package} /d" "${work_dir}/build-list.new"
;;
*)
>&2 echo "unknown git diff mode '${mode}'"
exit 1
;;
esac
done
echo 'Extract dependencies of packages.'
# Put the list in the proper build order.
# First, we extract the dependencies of each package.
# TODO:
# package modifications need to be included here
mkdir -p "${work_dir}/package-infos"
rm -f "${work_dir}/build-order"
touch "${work_dir}/build-order"
while read -r package git_revision repository; do
PKGBUILD="$(find_pkgbuild "${package}" "${repository}")"
if [ ! -r "${PKGBUILD}" ]; then
echo "can't find PKGBUILD to package '${package}' from repository '${repository}': '${PKGBUILD}'"
exit 1
fi
ls -1 "${work_dir}/package-infos" | \
grep "^${package}"'\.[0-9a-f]\{40\}\.\(builds\|needs\)$' | \
grep -v "^${package}\.${git_revision}"'\.\(builds\|needs\)$' | \
while read file; do
echo rm "${work_dir}/package-infos/${file}"
done
if [ ! -e "${work_dir}/package-infos/${package}.${git_revision}.builds" ] || \
[ ! -e "${work_dir}/package-infos/${package}.${git_revision}.needs" ]; then
(
cd "${PKGBUILD%/*}"
mksrcinfo -o "${work_dir}/package-infos/${package}.${git_revision}.SRCINFO"
)
grep '^\('$'\t''provides\|pkgname\) = ' "${work_dir}/package-infos/${package}.${git_revision}.SRCINFO" | \
cut -d= -f2 | \
sed 's|^\s\+||; s|[<>]$||' | \
sort -u > \
"${work_dir}/package-infos/${package}.${git_revision}.builds"
(
(
sed -n '/^pkgname = /q;/^'$'\t''depends = /p' "${work_dir}/package-infos/${package}.${git_revision}.SRCINFO"
grep '^'$'\t''\(makedepends\|checkdepends\) = ' "${work_dir}/package-infos/${package}.${git_revision}.SRCINFO"
) | \
cut -d= -f2 | \
sed 's|^\s\+||; s|[<>]$||' | \
sort -u
cat "${work_dir}/package-infos/${package}.${git_revision}.builds" | \
sed 'p'
) | \
sort | \
uniq -u > \
"${work_dir}/package-infos/${package}.${git_revision}.needs"
rm "${work_dir}/package-infos/${package}.${git_revision}.SRCINFO"
fi
while read target; do
echo "${package} ${target}" >> \
"${work_dir}/build-order"
done < "${work_dir}/package-infos/${package}.${git_revision}.builds"
while read dependency; do
echo "${dependency} ${package}" >> \
"${work_dir}/build-order"
done < "${work_dir}/package-infos/${package}.${git_revision}.needs"
done < "${work_dir}/build-list.new"
echo 'Now actually sort it.'
(
tsort "${work_dir}/build-order" 2> "${work_dir}/tsort.error" | \
nl -ba | \
awk '{print $1 " not-git whatever " $2}'
awk '{print "0 " $2 " " $3 " " $1}' < \
"${work_dir}/build-list.new"
) | \
sort -k4,4 -k1nr | \
uniq -f3 -D | \
sed '/^0 /d;N;s|\n| |' | \
sort -k1n,1 | \
awk '{print $4 " " $6 " " $7}' > \
"${work_dir}/build-list.new.new"
if [ -s "${work_dir}/tsort.error" ]; then
>&2 echo 'WARNING: There is a dependency cycle!'
>&2 cat "${work_dir}/tsort.error"
>&2 echo
>&2 echo 'I will continue anyway.'
else
rm "${work_dir}/tsort.error"
fi
# Move the .new-files to the actual files
(
echo "build-list.new" "build-list" "deletion-list"
echo "${!repo_paths[@]}" | \
sed 's@\( \|$\)@.revision\1@g'
) | \
tr ' ' '\n' | \
while read -r file; do
mv "${work_dir}/${file}.new" "${work_dir}/${file}"
done
# Remove the lock file
rm -f "${lock_file}"
|
