$ git clone -n https://src.fedoraproject.org/rpms/rust-serde-xml-rs.git /var/lib/mock/f40-build-2083695-49957/root/chroot_tmpdir/scmroot/rust-serde-xml-rs
Cloning into '/var/lib/mock/f40-build-2083695-49957/root/chroot_tmpdir/scmroot/rust-serde-xml-rs'...
$ git fetch origin 2a359a1003992a35910056813d2b7448eb7f8aa8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-serde-xml-rs
 * [new ref]         2a359a1003992a35910056813d2b7448eb7f8aa8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a359a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild