$ git clone -n https://src.fedoraproject.org/rpms/rust-gtk4_0.8 /var/lib/mock/f42-build-3429026-45391/root/chroot_tmpdir/scmroot/rust-gtk4_0.8
Cloning into '/var/lib/mock/f42-build-3429026-45391/root/chroot_tmpdir/scmroot/rust-gtk4_0.8'...
$ git fetch origin abe99f4611982c00526f1322d4d93943fdab0769:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gtk4_0.8
 * [new ref]         abe99f4611982c00526f1322d4d93943fdab0769 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abe99f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild