diff options
Diffstat (limited to 'nix/libstore/gc.cc')
| -rw-r--r-- | nix/libstore/gc.cc | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/nix/libstore/gc.cc b/nix/libstore/gc.cc index 310b8792fe..c466996668 100644 --- a/nix/libstore/gc.cc +++ b/nix/libstore/gc.cc @@ -339,14 +339,11 @@ Roots LocalStore::findRoots() static void addAdditionalRoots(StoreAPI & store, PathSet & roots) { - Path rootFinder = getEnv("NIX_ROOT_FINDER", - settings.nixLibexecDir + "/list-runtime-roots"); + debug(format("executing `%1% gc --list-busy' to find additional roots") + % settings.guixProgram); - if (rootFinder.empty()) return; - - debug(format("executing `%1%' to find additional roots") % rootFinder); - - string result = runProgram(rootFinder); + const Strings args = { "gc", "--list-busy" }; + string result = runProgram(settings.guixProgram, false, args); StringSet paths = tokenizeString<StringSet>(result, "\n"); @@ -569,9 +566,8 @@ void LocalStore::removeUnusedLinks(const GCState & state) throw SysError(format("statting `%1%'") % path); if (st.st_nlink != 1) { - unsigned long long size = st.st_blocks * 512ULL; - actualSize += size; - unsharedSize += (st.st_nlink - 1) * size; + actualSize += st.st_size; + unsharedSize += (st.st_nlink - 1) * st.st_size; continue; } @@ -580,13 +576,13 @@ void LocalStore::removeUnusedLinks(const GCState & state) if (unlink(path.c_str()) == -1) throw SysError(format("deleting `%1%'") % path); - state.results.bytesFreed += st.st_blocks * 512; + state.results.bytesFreed += st.st_size; } struct stat st; if (stat(linksDir.c_str(), &st) == -1) throw SysError(format("statting `%1%'") % linksDir); - long long overhead = st.st_blocks * 512ULL; + long long overhead = st.st_size; printMsg(lvlInfo, format("note: currently hard linking saves %.2f MiB") % ((unsharedSize - actualSize - overhead) / (1024.0 * 1024.0))); |