$ git clone -n https://src.fedoraproject.org/rpms/ghc-yesod-persistent.git /var/lib/mock/f31-build-117106-34599/root/chroot_tmpdir/scmroot/ghc-yesod-persistent
Cloning into '/var/lib/mock/f31-build-117106-34599/root/chroot_tmpdir/scmroot/ghc-yesod-persistent'...
$ git reset --hard 4ebb77a8025cc00214fffb48df832c07cb99f062
HEAD is now at 4ebb77a BR prof for lib and static for executable