$ git clone -n https://src.fedoraproject.org/rpms/rust-gio0.15.git /var/lib/mock/f38-build-side-42-init-devel-1393715-31050/root/chroot_tmpdir/scmroot/rust-gio0.15
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1393715-31050/root/chroot_tmpdir/scmroot/rust-gio0.15'...
$ git fetch origin f3df1209306c12250add39ed3e87ece79374277d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gio0.15
 * [new ref]         f3df1209306c12250add39ed3e87ece79374277d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3df120 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild