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daemon: GC displays how much it has collected.

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* nix/libstore/gc.cc (LocalStore::deletePathRecursive): Display the
percentage reached relative to 'maxFreed', or the total amount of data
deleted when 'maxFreed' is ULLONG_MAX.
This commit is contained in:
Ludovic Courtès 2019-11-22 11:33:29 +01:00
parent 4f5234be03
commit 732c96f182
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GPG key ID: 090B11993D9AEBB5
1 changed files with 10 additions and 1 deletions
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11
nix/libstore/gc.cc
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@ -11,6 +11,7 @@
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <unistd.h> #include <unistd.h>
#include <climits>
namespace nix { namespace nix {
@ -417,7 +418,15 @@ void LocalStore::deletePathRecursive(GCState & state, const Path & path)
throw SysError(format("getting status of %1%") % path); throw SysError(format("getting status of %1%") % path);
} }
printMsg(lvlInfo, format("deleting `%1%'") % path); if (state.options.maxFreed != ULLONG_MAX) {
double fraction = state.results.bytesFreed + size
/ state.options.maxFreed;
unsigned int percentage = (fraction > 1. ? 1. : fraction) * 100.;
printMsg(lvlInfo, format("[%1%%%] deleting '%2%'") % percentage % path);
} else {
size_t total = (state.results.bytesFreed + size) / (1024 * 1024);
printMsg(lvlInfo, format("[%1% MiB] deleting '%2%'") % total % path);
}
state.results.paths.insert(path); state.results.paths.insert(path);