$ git clone -n https://src.fedoraproject.org/rpms/rust-z-base-32.git /var/lib/mock/f42-build-3252945-41225/root/chroot_tmpdir/scmroot/rust-z-base-32
Cloning into '/var/lib/mock/f42-build-3252945-41225/root/chroot_tmpdir/scmroot/rust-z-base-32'...
$ git fetch origin f7330b36bd035123cd54ff5d4f4d0b34b672d5a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-z-base-32
 * [new ref]         f7330b36bd035123cd54ff5d4f4d0b34b672d5a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7330b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild