Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/c/cwl-upgrader/cwl-upgrader_1.2.3-1_all.buildinfo
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Get source package info: cwl-upgrader=1.2.3-1
Source URL: http://snapshot.notset.fr/mr/package/cwl-upgrader/1.2.3-1/srcfiles?fileinfo=1
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