$ git clone -n https://src.fedoraproject.org/rpms/rust-winnow0.4.git /var/lib/mock/f38-build-side-43-rust-devel-1419961-31460/root/chroot_tmpdir/scmroot/rust-winnow0.4
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1419961-31460/root/chroot_tmpdir/scmroot/rust-winnow0.4'...
$ git fetch origin 2c40635ea4ce7eb14d067f126577a6ed40cafdad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-winnow0.4
 * [new ref]         2c40635ea4ce7eb14d067f126577a6ed40cafdad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c40635 Initial import (winnow 0.4 compat package)