$ git clone -n https://src.fedoraproject.org/rpms/kcov.git /var/lib/mock/f38-build-721733-98617/root/chroot_tmpdir/scmroot/kcov
Cloning into '/var/lib/mock/f38-build-721733-98617/root/chroot_tmpdir/scmroot/kcov'...
$ git fetch origin 5d2a39f59c6a00a06d14a096e08879ddbd602066:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcov
 * [new ref]         5d2a39f59c6a00a06d14a096e08879ddbd602066 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d2a39f Fix FTBFS with GCC 13