Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/g/golang-github-sylabs-sif/golang-github-sylabs-sif_2.3.1-2_amd64.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/golang-github-sylabs-sif-2.3.1-2mdmvr55z/golang-github-sylabs-sif_2.3.1-2_amd64.buildinfo Get source package info: golang-github-sylabs-sif=2.3.1-2 Source URL: http://snapshot.notset.fr/mr/package/golang-github-sylabs-sif/2.3.1-2/srcfiles?fileinfo=1 Cannot determine base mirror to use