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-rwxr-xr-xbin/calculate-dependent-packages122
1 files changed, 122 insertions, 0 deletions
diff --git a/bin/calculate-dependent-packages b/bin/calculate-dependent-packages
new file mode 100755
index 0000000..e317c46
--- /dev/null
+++ b/bin/calculate-dependent-packages
@@ -0,0 +1,122 @@
+#!/bin/sh
+
+. "${0%/*}/../conf/default.conf"
+
+if [ -s "${work_dir}/build-master-sanity" ]; then
+ >&2 echo 'Build master is not sane.'
+ exit 1
+fi
+
+tmp_dir=$(mktemp -d)
+trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
+
+grep -vxF 'break_loops' "${work_dir}/build-list" | \
+ sort -k1,1 -u > \
+ "${tmp_dir}/build-list"
+
+while read -r pkg rev mod_rev repo; do
+ generate_package_metadata "${pkg}" "${rev}" "${mod_rev}" "${repo}"
+done < \
+ "${tmp_dir}/build-list"
+
+ls "${work_dir}/build-list.loops" | \
+ grep '^loop_[0-9]\+$' | \
+ sed "s|^|${work_dir}/build-list.loops/|" | \
+ xargs -r cat | \
+ sort -u | \
+ join -j 1 - "${tmp_dir}/build-list" | \
+ tr ' ' '.' | \
+ sed 's|^|/ |' | \
+ sort -k2,2 > \
+ "${tmp_dir}/dependent-count"
+
+tr ' ' '.' < \
+ "${tmp_dir}/build-list" | \
+ sponge "${tmp_dir}/build-list"
+
+sums=''
+
+while [ -s "${tmp_dir}/build-list" ] && [ "${sums}" != "$(sha512sum "${tmp_dir}/dependent-count")" ]; do
+
+ sums=$(
+ sha512sum "${tmp_dir}/dependent-count"
+ )
+
+ (
+ sed 's|^|? |' "${tmp_dir}/build-list"
+ sed 'p' "${tmp_dir}/dependent-count"
+ ) | \
+ sort -k2,2 | \
+ uniq -uf1 | \
+ cut -d' ' -f2 | \
+ sponge "${tmp_dir}/build-list"
+
+ sed '
+ s|^|'"${work_dir}"'/package-infos/|
+ s|$|.needs|
+ ' "${tmp_dir}/build-list" | \
+ xargs -r cat | \
+ grep -vx 'base\|base-devel' | \
+ sort -u > \
+ "${tmp_dir}/build-list.needs"
+
+ sed '
+ s|^\S\+ |'"${work_dir}"'/package-infos/|
+ s|$|.needs|
+ ' "${tmp_dir}/dependent-count" | \
+ xargs -r grep -Hvx 'base\|base-devel' | \
+ sed '
+ s|^.*/||
+ s|\.needs:| |
+ ' | \
+ sort -k2,2 > \
+ "${tmp_dir}/dependent-count.needs"
+
+ rm -f "${tmp_dir}/dependent-count.new"
+ touch "${tmp_dir}/dependent-count.new"
+
+ while read -r sf; do
+ if [ -n "$(
+ (
+ sort -u "${work_dir}/package-infos/${sf}.builds"
+ cat "${tmp_dir}/build-list.needs"
+ ) | \
+ sort | \
+ uniq -d
+ )" ]; then
+ continue
+ fi
+
+ count="/$(
+ sort -u "${work_dir}/package-infos/${sf}.builds" | \
+ join -1 1 -2 2 -o 2.1 - "${tmp_dir}/dependent-count.needs" | \
+ sort -u | \
+ join -1 1 -2 2 -o 2.1,2.2 - "${tmp_dir}/dependent-count" | \
+ tr '/ ' '\n' | \
+ grep -vxF '' | \
+ sort -u | \
+ tr '\n' '/'
+ )"
+ printf '%s %s\n' \
+ "${count}" \
+ "${sf}" >> \
+ "${tmp_dir}/dependent-count.new"
+ done < \
+ "${tmp_dir}/build-list"
+
+ cat "${tmp_dir}/dependent-count" "${tmp_dir}/dependent-count.new" | \
+ sort -k2,2 | \
+ sponge "${tmp_dir}/dependent-count"
+
+done
+
+while read -r count pkg; do
+ count=$(
+ echo "${count}" | \
+ tr '/' '\n' | \
+ grep -cvxF ''
+ ) || true
+ printf '%s %s\n' "${pkg}" "${count}"
+done < \
+ "${tmp_dir}/dependent-count" | \
+ sponge "${work_dir}/dependent-count"