100 lines
4.3 KiB
Diff
100 lines
4.3 KiB
Diff
From 2ffe58595baa2a51700a1210b1d3a2124f805756 Mon Sep 17 00:00:00 2001
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From: Aleš Matěj <amatej@redhat.com>
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Date: Mon, 25 Sep 2023 08:24:40 +0200
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Subject: [PATCH] Avoid reinstalling installonly packages marked for ERASE
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Without this patch reinstalling installonly pkg marked for ERASE might
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be a valid smallest solution to our job.
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For example when user wants to install through a provide we select all
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packages that provide it and put them inside a `job install oneof ...`
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if one of the providers is also marked for ERASE due to installonly
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limit libsolv might decide to reinstall it.
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To make sure it doesn't happen mark the available package also as ERASE.
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https://github.com/openSUSE/libsolv/issues/540
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https://issues.redhat.com/browse/RHEL-1253
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(https://bugzilla.redhat.com/show_bug.cgi?id=2163474)
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---
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libdnf/goal/Goal.cpp | 35 +++++++++++++++++++++++++++++++++--
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1 file changed, 33 insertions(+), 2 deletions(-)
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diff --git a/libdnf/goal/Goal.cpp b/libdnf/goal/Goal.cpp
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index 7def837..ba938e1 100644
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--- a/libdnf/goal/Goal.cpp
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+++ b/libdnf/goal/Goal.cpp
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@@ -643,6 +643,12 @@ erase_flags2libsolv(int flags)
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return ret;
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}
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+static bool
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+NameSolvableComparator(const Solvable * first, const Solvable * second)
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+{
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+ return first->name < second->name;
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+}
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+
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Goal::Goal(const Goal & goal_src) : pImpl(new Impl(*goal_src.pImpl)) {}
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Goal::Impl::Impl(const Goal::Impl & goal_src)
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@@ -1436,10 +1442,24 @@ Goal::Impl::limitInstallonlyPackages(Solver *solv, Queue *job)
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for (int i = 0; i < onlies->count; ++i) {
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Id p, pp;
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IdQueue q, installing;
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+ std::vector<Solvable *> available_unused_providers;
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+ // Add all providers of installonly provides that are marked for install
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+ // to `q` IdQueue those that are not marked for install and are not already
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+ // installed are added to available_unused_providers.
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FOR_PKG_PROVIDES(p, pp, onlies->elements[i])
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- if (solver_get_decisionlevel(solv, p) > 0)
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+ // According to libsolv-bindings the decision level is positive for installs
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+ // and negative for conflicts (conflicts with another package or dependency
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+ // conflicts = dependencies cannot be met).
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+ if (solver_get_decisionlevel(solv, p) > 0) {
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q.pushBack(p);
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+ } else {
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+ Solvable *s = pool_id2solvable(pool, p);
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+ if (s->repo != pool->installed) {
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+ available_unused_providers.push_back(s);
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+ }
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+ }
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+
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if (q.size() <= (int) dnf_sack_get_installonly_limit(sack)) {
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continue;
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}
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@@ -1457,17 +1477,28 @@ Goal::Impl::limitInstallonlyPackages(Solver *solv, Queue *job)
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struct InstallonliesSortCallback s_cb = {pool, dnf_sack_running_kernel(sack)};
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solv_sort(q.data(), q.size(), sizeof(q[0]), sort_packages, &s_cb);
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+ std::sort(available_unused_providers.begin(), available_unused_providers.end(), NameSolvableComparator);
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IdQueue same_names;
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while (q.size() > 0) {
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same_name_subqueue(pool, q.getQueue(), same_names.getQueue());
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if (same_names.size() <= (int) dnf_sack_get_installonly_limit(sack))
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continue;
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reresolve = 1;
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for (int j = 0; j < same_names.size(); ++j) {
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Id id = same_names[j];
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Id action = SOLVER_ERASE;
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- if (j < (int) dnf_sack_get_installonly_limit(sack))
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+ if (j < (int) dnf_sack_get_installonly_limit(sack)) {
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action = SOLVER_INSTALL;
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+ } else {
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+ // We want to avoid reinstalling packages marked for ERASE, therefore
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+ // if some unused provider is also available we need to mark it ERASE as well.
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+ Solvable *s = pool_id2solvable(pool, id);
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+ auto low = std::lower_bound(available_unused_providers.begin(), available_unused_providers.end(), s, NameSolvableComparator);
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+ while (low != available_unused_providers.end() && (*low)->name == s->name) {
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+ queue_push2(job, SOLVER_ERASE | SOLVER_SOLVABLE, pool_solvable2id(pool, *low));
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+ ++low;
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+ }
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+ }
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queue_push2(job, action | SOLVER_SOLVABLE, id);
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}
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}
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--
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libgit2 1.6.4
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