$ git clone -n https://src.fedoraproject.org/rpms/ghc-yesod-persistent.git /var/lib/mock/f39-build-2561097-62096/root/chroot_tmpdir/scmroot/ghc-yesod-persistent
Cloning into '/var/lib/mock/f39-build-2561097-62096/root/chroot_tmpdir/scmroot/ghc-yesod-persistent'...
$ git fetch origin debf28a1e996f4d2570d14a8f9c25cc6d93b9679:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-yesod-persistent
 * [new ref]         debf28a1e996f4d2570d14a8f9c25cc6d93b9679 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at debf28a bump release