$ git clone -n https://src.fedoraproject.org/rpms/rust-quick-error1.git /var/lib/mock/f40-build-2101501-50506/root/chroot_tmpdir/scmroot/rust-quick-error1
Cloning into '/var/lib/mock/f40-build-2101501-50506/root/chroot_tmpdir/scmroot/rust-quick-error1'...
$ git fetch origin 8c5f31f0cb14e2da1e040349a262d3699584c058:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quick-error1
 * [new ref]         8c5f31f0cb14e2da1e040349a262d3699584c058 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c5f31f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild