rssguard/rssguard-4.6.6-1-x86_64.pkg.tar.zst build reproducible in our test framework:
66afe73c1a160a5c88959f91d63337180a9e58833109ac2bccda01a8a53769e2 rssguard-4.6.6-1-x86_64.pkg.tar.zst
f470ae473a8ad96d0b3c373fd6e1f9f005366a5c395f6fc42267ac8ccb88616c rssguard-4.6.6-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
f470ae473a8ad96d0b3c373fd6e1f9f005366a5c395f6fc42267ac8ccb88616c rssguard-4.6.6-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt