For determinism of human-readable string representation. e.g., "2023-01-10T12:34:56Z" vs "2023-01-10T21:34:56+09:00" Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
This makes diff archives to be reproducible. The value is expected to be passed from CLI applications via the $SOUCE_DATE_EPOCH env var. See https://reproducible-builds.org/docs/source-date-epoch/ for the $SOURCE_DATE_EPOCH specification. Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>