$ git clone -n https://src.fedoraproject.org/rpms/rust-idna_adapter.git /var/lib/mock/f45-build-42506-794/root/chroot_tmpdir/scmroot/rust-idna_adapter
Cloning into '/var/lib/mock/f45-build-42506-794/root/chroot_tmpdir/scmroot/rust-idna_adapter'...
$ git fetch origin c1fadfa5ea586c07e033a327bf452780cb90f6fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-idna_adapter
 * [new ref]         c1fadfa5ea586c07e033a327bf452780cb90f6fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1fadfa Update to version 1.2.2