$ git clone -n https://src.fedoraproject.org/rpms/rust-cty.git /var/lib/mock/f39-build-1516925-35665/root/chroot_tmpdir/scmroot/rust-cty
Cloning into '/var/lib/mock/f39-build-1516925-35665/root/chroot_tmpdir/scmroot/rust-cty'...
$ git fetch origin 4489e4f27f24afa1950e3aeb9f3dd4ce9e590b96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cty
 * [new ref]         4489e4f27f24afa1950e3aeb9f3dd4ce9e590b96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4489e4f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild