diff options
| -rw-r--r-- | src/libutil/archive.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libutil/archive.cc b/src/libutil/archive.cc index 14399dea3..cdf3d89ae 100644 --- a/src/libutil/archive.cc +++ b/src/libutil/archive.cc @@ -27,6 +27,8 @@ struct ArchiveSettings : Config #endif "use-case-hack", "Whether to enable a Darwin-specific hack for dealing with file name collisions."}; + Setting<bool> preallocateContents{this, true, "preallocate-contents", + "Whether to preallocate files when writing objects with known size."}; }; static ArchiveSettings archiveSettings; @@ -325,6 +327,9 @@ struct RestoreSink : ParseSink void preallocateContents(uint64_t len) { + if (!archiveSettings.preallocateContents) + return; + #if HAVE_POSIX_FALLOCATE if (len) { errno = posix_fallocate(fd.get(), 0, len); |