$ git clone -n https://src.fedoraproject.org/rpms/rust-quick-xml /var/lib/mock/f42-build-3453369-45488/root/chroot_tmpdir/scmroot/rust-quick-xml
Cloning into '/var/lib/mock/f42-build-3453369-45488/root/chroot_tmpdir/scmroot/rust-quick-xml'...
$ git fetch origin ddb66f1a74703b6ba93c7b2a4608cb526168f2fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quick-xml
 * [new ref]         ddb66f1a74703b6ba93c7b2a4608cb526168f2fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddb66f1 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild