Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/g/gnutls28/gnutls28_3.7.7-2_all.buildinfo
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Get source package info: gnutls28=3.7.7-2
Source URL: http://snapshot.notset.fr/mr/package/gnutls28/3.7.7-2/srcfiles?fileinfo=1
No source info found for gnutls28-3.7.7-2