$ git clone -n https://src.fedoraproject.org/rpms/plymouth-theme-breeze.git /var/lib/mock/f40-build-803706-144341/root/chroot_tmpdir/scmroot/plymouth-theme-breeze
Cloning into '/var/lib/mock/f40-build-803706-144341/root/chroot_tmpdir/scmroot/plymouth-theme-breeze'...
$ git fetch origin 636b6512c0341b33caaea6396db54c737ec59392:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plymouth-theme-breeze
 * [new ref]         636b6512c0341b33caaea6396db54c737ec59392 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 636b651 6.0.3