$ git clone -n https://src.fedoraproject.org/rpms/rust-radix_trie.git /var/lib/mock/f45-build-44212-811/root/chroot_tmpdir/scmroot/rust-radix_trie
Cloning into '/var/lib/mock/f45-build-44212-811/root/chroot_tmpdir/scmroot/rust-radix_trie'...
$ git fetch origin 0c6f354e60cf6f050d5ec473af8e06ea05829872:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-radix_trie
 * [new ref]         0c6f354e60cf6f050d5ec473af8e06ea05829872 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c6f354 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild