$ git clone -n https://src.fedoraproject.org/rpms/ghc-blaze-textual.git /var/lib/mock/f45-build-10041-412/root/chroot_tmpdir/scmroot/ghc-blaze-textual
Cloning into '/var/lib/mock/f45-build-10041-412/root/chroot_tmpdir/scmroot/ghc-blaze-textual'...
$ git fetch origin 5473202ece046e92fb2cfd34107b626fd85161f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-blaze-textual
 * [new ref]         5473202ece046e92fb2cfd34107b626fd85161f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5473202 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild