$ git clone -n https://src.fedoraproject.org/rpms/ghc-uri-bytestring.git /var/lib/mock/f45-build-10904-425/root/chroot_tmpdir/scmroot/ghc-uri-bytestring
Cloning into '/var/lib/mock/f45-build-10904-425/root/chroot_tmpdir/scmroot/ghc-uri-bytestring'...
$ git fetch origin 84bd03f741d754e6e00209edb74e127271f6ba23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-uri-bytestring
 * [new ref]         84bd03f741d754e6e00209edb74e127271f6ba23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84bd03f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild