Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/r/r-base/r-base_4.1.3.20220408-1_amd64.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/r-base-4.1.3.20220408-1k0iv8oh9/r-base_4.1.3.20220408-1_amd64.buildinfo Get source package info: r-base=4.1.3.20220408-1 Source URL: http://snapshot.notset.fr/mr/package/r-base/4.1.3.20220408-1/srcfiles?fileinfo=1 No source info found for r-base-4.1.3.20220408-1