$ git clone -n https://src.fedoraproject.org/rpms/rust-block-padding0.2.git /var/lib/mock/f39-build-1516737-35656/root/chroot_tmpdir/scmroot/rust-block-padding0.2
Cloning into '/var/lib/mock/f39-build-1516737-35656/root/chroot_tmpdir/scmroot/rust-block-padding0.2'...
$ git fetch origin 9820efada1ad63858849f613a16ede0d9aaa738e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-block-padding0.2
 * [new ref]         9820efada1ad63858849f613a16ede0d9aaa738e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9820efa Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild