$ git clone -n https://src.fedoraproject.org/rpms/gnustep-make.git /var/lib/mock/f45-build-11648-433/root/chroot_tmpdir/scmroot/gnustep-make
Cloning into '/var/lib/mock/f45-build-11648-433/root/chroot_tmpdir/scmroot/gnustep-make'...
$ git fetch origin 4465aaec443f0b06a40f4cc8e340172aef08e565:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnustep-make
 * [new ref]         4465aaec443f0b06a40f4cc8e340172aef08e565 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4465aae Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild