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* Print some progress info during the early GC stages.

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This commit is contained in:
Eelco Dolstra 2008-06-13 17:21:20 +00:00
parent 194c66eeeb
commit 30c9f909b2
2 changed files with 9 additions and 1 deletions
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2
src/libstore/build.cc
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@ -912,7 +912,7 @@ void DerivationGoal::haveDerivation()
/* If they are all valid, then we're done. */ /* If they are all valid, then we're done. */
if (invalidOutputs.size() == 0) { if (invalidOutputs.size() == 0) {
if(! forceInputs) { if(!forceInputs) {
amDone(ecSuccess); amDone(ecSuccess);
return; return;
} }

8
src/libstore/gc.cc
View file

@ -455,6 +455,7 @@ void LocalStore::collectGarbage(GCAction action, const PathSet & pathsToDelete,
/* Find the roots. Since we've grabbed the GC lock, the set of /* Find the roots. Since we've grabbed the GC lock, the set of
permanent roots cannot increase now. */ permanent roots cannot increase now. */
printMsg(lvlError, format("finding garbage collector roots..."));
Roots rootMap = ignoreLiveness ? Roots() : nix::findRoots(true); Roots rootMap = ignoreLiveness ? Roots() : nix::findRoots(true);
PathSet roots; PathSet roots;
@ -475,6 +476,7 @@ void LocalStore::collectGarbage(GCAction action, const PathSet & pathsToDelete,
/* Determine the live paths which is just the closure of the /* Determine the live paths which is just the closure of the
roots under the `references' relation. */ roots under the `references' relation. */
printMsg(lvlError, format("computing live paths..."));
PathSet livePaths; PathSet livePaths;
for (PathSet::const_iterator i = roots.begin(); i != roots.end(); ++i) for (PathSet::const_iterator i = roots.begin(); i != roots.end(); ++i)
computeFSClosure(canonPath(*i), livePaths); computeFSClosure(canonPath(*i), livePaths);
@ -548,6 +550,7 @@ void LocalStore::collectGarbage(GCAction action, const PathSet & pathsToDelete,
/* Read the Nix store directory to find all currently existing /* Read the Nix store directory to find all currently existing
paths. */ paths. */
printMsg(lvlError, format("reading the Nix store..."));
PathSet storePathSet; PathSet storePathSet;
if (action != gcDeleteSpecific) { if (action != gcDeleteSpecific) {
Paths entries = readDirectory(nixStore); Paths entries = readDirectory(nixStore);
@ -567,9 +570,14 @@ void LocalStore::collectGarbage(GCAction action, const PathSet & pathsToDelete,
which things can be deleted safely. */ which things can be deleted safely. */
/* !!! when we have multiple output paths per derivation, this /* !!! when we have multiple output paths per derivation, this
will not work anymore because we get cycles. */ will not work anymore because we get cycles. */
printMsg(lvlError, format("toposorting..."));
Paths storePaths = topoSortPaths(storePathSet); Paths storePaths = topoSortPaths(storePathSet);
/* Try to delete store paths in the topologically sorted order. */ /* Try to delete store paths in the topologically sorted order. */
printMsg(lvlError, action == gcReturnDead
? format("looking for garbage...")
: format("deleting garbage..."));
for (Paths::iterator i = storePaths.begin(); i != storePaths.end(); ++i) { for (Paths::iterator i = storePaths.begin(); i != storePaths.end(); ++i) {
debug(format("considering deletion of `%1%'") % *i); debug(format("considering deletion of `%1%'") % *i);