$ git clone -n https://src.fedoraproject.org/rpms/rust-print-positions.git /var/lib/mock/f39-build-1508769-35407/root/chroot_tmpdir/scmroot/rust-print-positions
Cloning into '/var/lib/mock/f39-build-1508769-35407/root/chroot_tmpdir/scmroot/rust-print-positions'...
$ git fetch origin f08ee74e98f6b0c471b77e686a9c780e6143414d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-print-positions
 * [new ref]         f08ee74e98f6b0c471b77e686a9c780e6143414d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f08ee74 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild