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authorErich Eckner <git@eckner.net>2017-05-02 14:55:14 +0200
committerErich Eckner <git@eckner.net>2017-05-02 14:55:14 +0200
commitffbc21a02ffa984359b69e79d0551bf8dc714a48 (patch)
treed5f884305d40c68cdc3ed6b6c69f9765fc22f54f
parent8d8347530d2d244cc00b93289452a4382f7e48b8 (diff)
bin/get-package-updates: add comments
-rwxr-xr-xbin/get-package-updates17
1 files changed, 17 insertions, 0 deletions
diff --git a/bin/get-package-updates b/bin/get-package-updates
index 5d2d1cb..7f0df7c 100755
--- a/bin/get-package-updates
+++ b/bin/get-package-updates
@@ -49,6 +49,7 @@ cp "${work_dir}/deletion-list"{,.new}
for repo in "${!repo_paths[@]}"; do
current_HEAD="$(cat "${work_dir}/${repo}.revision.new")"
(
+ # if old revision unknown, mimic "git diff"-output
if [ "${old_repo_revisions["${repo}"]}" == "NONE" ]; then
git -C "${repo_paths["${repo}"]}" archive --format=tar HEAD | \
tar -t | \
@@ -57,17 +58,22 @@ cp "${work_dir}/deletion-list"{,.new}
git -C "${repo_paths["${repo}"]}" diff --no-renames --name-status "${old_repo_revisions["${repo}"]}" HEAD
fi
) | \
+ # only track changes in PKGBUILDs
grep '^.\s[^/]\+/repos/[^/]\+/PKGBUILD$' | \
+ # ignore i686
grep -v -- '-i686/PKGBUILD$' | \
sed 's|^\(.\)\t\([^/]\+\)/repos/\([^/]\+\)-[^/-]\+/PKGBUILD$|\1 \2 '"${current_HEAD}"' \3|' | \
+ # ignore staging and testing
grep -v '\(staging\|testing\)$'
done | \
sort -u
+ # ignore blacklisted packages by explicitely deleting them _at_the_end_
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
+ # new or modified PKGBUILD
"A"|"M")
sed -i "/^${package} /d" "${work_dir}/build-list"
echo "${package} ${git_revision} ${repository}" >> \
@@ -75,6 +81,7 @@ cp "${work_dir}/deletion-list"{,.new}
sed -i "/^${package}\$/d" "${work_dir}/deletion-list.new"
;;
+ # deleted PKGBUILD
"D")
echo "${package}" >> \
"${work_dir}/deletion-list.new"
@@ -109,6 +116,7 @@ while read -r package git_revision repository; do
exit 1
fi
+ # delete cached values of old versions of this PKGBUILD
ls -1 "${work_dir}/package-infos" | \
grep "^${package}"'\.[0-9a-f]\{40\}\.\(builds\|needs\)$' | \
grep -v "^${package}\.${git_revision}"'\.\(builds\|needs\)$' | \
@@ -116,6 +124,7 @@ while read -r package git_revision repository; do
rm "${work_dir}/package-infos/${file}"
done
+ # extract infos from PKGBUILD if not existent yet
if [ ! -e "${work_dir}/package-infos/${package}.${git_revision}.builds" ] || \
[ ! -e "${work_dir}/package-infos/${package}.${git_revision}.needs" ]; then
@@ -124,12 +133,14 @@ while read -r package git_revision repository; do
mksrcinfo -o "${work_dir}/package-infos/${package}.${git_revision}.SRCINFO"
)
+ # extract "builds" = provides \cup pkgname
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}.${git_revision}.builds"
+ # extract "needs" = ( pkgsrc.depends \cup makedepends \cup checkdepends ) \setminus "builds"
(
(
sed -n '/^pkgname = /q;/^'$'\t''depends = /p' "${work_dir}/package-infos/${package}.${git_revision}.SRCINFO"
@@ -149,11 +160,13 @@ while read -r package git_revision repository; do
fi
+ # add "$pkgname -> $build-target" to build-order list
while read target; do
echo "${package} ${target}" >> \
"${work_dir}/build-order"
done < "${work_dir}/package-infos/${package}.${git_revision}.builds"
+ # add "$dependency -> $pkgname" to build-order list
while read dependency; do
echo "${dependency} ${package}" >> \
"${work_dir}/build-order"
@@ -164,15 +177,19 @@ done < "${work_dir}/build-list.new"
echo 'Now actually sort it.'
(
+ # this part will have the correct build order, but all the infos are missing
tsort "${work_dir}/build-order" 2> "${work_dir}/tsort.error" | \
nl -ba | \
awk '{print $1 " not-git whatever " $2}'
+ # this part has all the infos, but possibly the wrong order
awk '{print "0 " $2 " " $3 " " $1}' < \
"${work_dir}/build-list.new"
) | \
sort -k4,4 -k1nr | \
+ # now, we have the correct order and the infos, but in adjacent lines
uniq -f3 -D | \
sed '/^0 /d;N;s|\n| |' | \
+ # now in one line, each
sort -k1n,1 | \
awk '{print $4 " " $6 " " $7}' > \
"${work_dir}/build-list.new.new"