$ git clone -n https://src.fedoraproject.org/rpms/rust-yeslogic-fontconfig-sys4.git /var/lib/mock/f45-build-35502-695/root/chroot_tmpdir/scmroot/rust-yeslogic-fontconfig-sys4
Cloning into '/var/lib/mock/f45-build-35502-695/root/chroot_tmpdir/scmroot/rust-yeslogic-fontconfig-sys4'...
$ git fetch origin b5b2618c85b99d0707f802b8521a75210d73d4d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-yeslogic-fontconfig-sys4
 * [new ref]         b5b2618c85b99d0707f802b8521a75210d73d4d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5b2618 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild