$ git clone -n https://src.fedoraproject.org/rpms/ghc-yesod-core.git /var/lib/mock/f41-build-840547-160785/root/chroot_tmpdir/scmroot/ghc-yesod-core
Cloning into '/var/lib/mock/f41-build-840547-160785/root/chroot_tmpdir/scmroot/ghc-yesod-core'...
$ git reset --hard 3696ced74e5ae94b54c636d6421a53d632033705
HEAD is now at 3696ced https://hackage.haskell.org/package/yesod-core-1.6.25.1/changelog