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Walk requires in ExpandedRevdeps

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In this way we annotate the visited and we avoid cycles that can be
generated by revdeps
This commit is contained in:
Ettore Di Giacinto
2020-04-23 23:44:42 +02:00
parent ec32677dc1
commit 8305d01e76
2 changed files with 56 additions and 11 deletions
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36
pkg/package/package.go
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@@ -47,7 +47,7 @@ type Package interface {
Requires([]*DefaultPackage) Package
Conflicts([]*DefaultPackage) Package
Revdeps(PackageDatabase) Packages
ExpandedRevdeps(definitiondb PackageDatabase) Packages
ExpandedRevdeps(definitiondb PackageDatabase, visited map[string]interface{}) Packages
LabelDeps(PackageDatabase, string) Packages
GetProvides() []*DefaultPackage
@@ -419,20 +419,38 @@ func (p *DefaultPackage) Revdeps(definitiondb PackageDatabase) Packages {
// ExpandedRevdeps returns the package reverse dependencies,
// matching also selectors in versions (>, <, >=, <=)
func (p *DefaultPackage) ExpandedRevdeps(definitiondb PackageDatabase) Packages {
func (p *DefaultPackage) ExpandedRevdeps(definitiondb PackageDatabase, visited map[string]interface{}) Packages {
var versionsInWorld Packages
if _, ok := visited[p.HumanReadableString()]; ok {
return versionsInWorld
}
for _, w := range definitiondb.World() {
if w.Matches(p) {
continue
}
// for _, re := range w.GetRequires() {
if ok, _ := w.RequiresContains(definitiondb, p); ok {
versionsInWorld = append(versionsInWorld, w)
versionsInWorld = append(versionsInWorld, w.ExpandedRevdeps(definitiondb)...)
}
//}
}
match := false
for _, re := range w.GetRequires() {
if re.Matches(p) {
match = true
}
if !match {
}
packages, _ := re.Expand(definitiondb)
for _, pa := range packages {
if pa.Matches(p) {
match = true
}
}
}
if match {
versionsInWorld = append(versionsInWorld, w)
versionsInWorld = append(versionsInWorld, w.ExpandedRevdeps(definitiondb, visited)...)
visited[w.HumanReadableString()] = true
}
}
return versionsInWorld.Unique()
}