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-rw-r--r--src/feature/syncinstall.nim14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/feature/syncinstall.nim b/src/feature/syncinstall.nim
index 5f6e082..06ea1d2 100644
--- a/src/feature/syncinstall.nim
+++ b/src/feature/syncinstall.nim
@@ -67,6 +67,17 @@ proc orderInstallation(pkgInfos: seq[PackageInfo],
proc findDependencies(config: Config, handle: ptr AlpmHandle, dbs: seq[ptr AlpmDatabase],
satisfied: Table[PackageReference, SatisfyResult], unsatisfied: seq[PackageReference],
printMode: bool, noaur: bool): (Table[PackageReference, SatisfyResult], seq[PackageReference]) =
+ proc checkDependencyCycle(pkgInfo: PackageInfo, reference: PackageReference): bool =
+ for checkReference in pkgInfo.allDepends:
+ if checkReference.arch.isNone or checkReference.arch == some(config.arch):
+ if checkReference.reference == reference:
+ return false
+ let buildPkgInfo = satisfied.opt(checkReference.reference)
+ .map(r => r.buildPkgInfo).flatten
+ if buildPkgInfo.isSome and not checkDependencyCycle(buildPkgInfo.unsafeGet, reference):
+ return false
+ return true
+
proc findInSatisfied(reference: PackageReference): Option[PackageInfo] =
for satref, res in satisfied.pairs:
if res.buildPkgInfo.isSome:
@@ -76,7 +87,8 @@ proc findDependencies(config: Config, handle: ptr AlpmHandle, dbs: seq[ptr AlpmD
return some(pkgInfo)
for provides in pkgInfo.provides:
if provides.arch.isNone or provides.arch == some(config.arch):
- if reference.isProvidedBy(provides.reference):
+ if reference.isProvidedBy(provides.reference) and
+ checkDependencyCycle(pkgInfo, reference):
return some(pkgInfo)
return none(PackageInfo)