$ git clone -n https://src.fedoraproject.org/rpms/rust-gvdb.git /var/lib/mock/f40-build-2652631-66895/root/chroot_tmpdir/scmroot/rust-gvdb
Cloning into '/var/lib/mock/f40-build-2652631-66895/root/chroot_tmpdir/scmroot/rust-gvdb'...
$ git fetch origin 82a99827e86bd070efd1beb0477a299dd5fd50fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gvdb
 * [new ref]         82a99827e86bd070efd1beb0477a299dd5fd50fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82a9982 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild