$ git clone -n https://src.fedoraproject.org/rpms/rust-gsk4_0.8 /var/lib/mock/f42-build-3429001-45391/root/chroot_tmpdir/scmroot/rust-gsk4_0.8
Cloning into '/var/lib/mock/f42-build-3429001-45391/root/chroot_tmpdir/scmroot/rust-gsk4_0.8'...
$ git fetch origin 672435fa109bc29d70cb48f0e8d360617338d1ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gsk4_0.8
 * [new ref]         672435fa109bc29d70cb48f0e8d360617338d1ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 672435f Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild