Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/d/debian-ports-archive-keyring/debian-ports-archive-keyring_2021.12.30_all.buildinfo
Use metasnap for getting required timestamps
New buildinfo file: /tmp/debian-ports-archive-keyring-2021.12.30aaopljtb/debian-ports-archive-keyring_2021.12.30_all.buildinfo
Get source package info: debian-ports-archive-keyring=2021.12.30
Source URL: http://snapshot.notset.fr/mr/package/debian-ports-archive-keyring/2021.12.30/srcfiles?fileinfo=1
Cannot determine base mirror to use