Etienne Champetier

Add time namespace / TimeOffsets check and helper

3

Fixes #783

runc supports time namespace since 1.2.0 (https://github.com/opencontainers/runc/pull/3876) It was added to runtime-spec in https://github.com/opencontainers/runtime-spec/pull/1151 But is missing in this repo: https://github.com/opencontainers/runtime-tools/blob/f7e3563b0271e5cd52d5c915684ea11ef2779572/generate/generate.go#L19 https://github.com/opencontainers/runtime-tools/blob/f7e3563b0271e5cd52d5c915684ea11ef2779572/generate/generate.go#L1465-L1484

tempfile: add new_with_modes and is_named methods

3

On filesystems that do not support `O_TMPFILE` (e.g. `vfat`), TempFile::new() automatically falls back to a potentially world readable named temp file. Add TempFile::new_with_modes() to create temp files with a chosen...