Filesystems don't try to order writes to different files. So you get HEAD pointing to a truncated commit, or a commit pointing to a truncated blob. The same ha

Filesystems don't try to order writes to different files. So you get HEAD pointing to a truncated commit, or a commit pointing to a truncated blob. The same happens if you have a power loss or kernel crash on Linux (as a kernel developer, it happened to me several times when testing freshly-committed code).