$ git clone -n https://src.fedoraproject.org/rpms/rust-Inflector.git /var/lib/mock/f45-build-39774-754/root/chroot_tmpdir/scmroot/rust-Inflector
Cloning into '/var/lib/mock/f45-build-39774-754/root/chroot_tmpdir/scmroot/rust-Inflector'...
$ git fetch origin 21d1dfa279a41b705b77f724132dde04eb84ee33:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-Inflector
 * [new ref]         21d1dfa279a41b705b77f724132dde04eb84ee33 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21d1dfa Regenerate with rust2rpm v28