$ git clone -n https://src.fedoraproject.org/rpms/rust-pancurses0.16.git /var/lib/mock/f41-build-side-1-3134869-39763/root/chroot_tmpdir/scmroot/rust-pancurses0.16
Cloning into '/var/lib/mock/f41-build-side-1-3134869-39763/root/chroot_tmpdir/scmroot/rust-pancurses0.16'...
$ git fetch origin 3b7135e35de4dbdd74a72c71624732a3f1964505:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pancurses0.16
 * [new ref]         3b7135e35de4dbdd74a72c71624732a3f1964505 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b7135e compat package no longer needed