$ git clone -n https://src.fedoraproject.org/rpms/rust-gsk4-sys0.8 /var/lib/mock/f42-build-3428988-45391/root/chroot_tmpdir/scmroot/rust-gsk4-sys0.8
Cloning into '/var/lib/mock/f42-build-3428988-45391/root/chroot_tmpdir/scmroot/rust-gsk4-sys0.8'...
$ git fetch origin 3f35fbe13ba50c967ab684a89eb7fb42bfff3f37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gsk4-sys0.8
 * [new ref]         3f35fbe13ba50c967ab684a89eb7fb42bfff3f37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f35fbe Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild