$ git clone -n https://src.fedoraproject.org/rpms/rust-quick-xml0.17 /var/lib/mock/f42-build-3453373-45488/root/chroot_tmpdir/scmroot/rust-quick-xml0.17
Cloning into '/var/lib/mock/f42-build-3453373-45488/root/chroot_tmpdir/scmroot/rust-quick-xml0.17'...
$ git fetch origin d579bfef31c169430bbc26e2e686a3a08667a74a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quick-xml0.17
 * [new ref]         d579bfef31c169430bbc26e2e686a3a08667a74a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d579bfe Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild