$ git clone -n https://src.fedoraproject.org/rpms/plymouth-theme-breeze.git /var/lib/mock/f40-build-832421-14883/root/chroot_tmpdir/scmroot/plymouth-theme-breeze
Cloning into '/var/lib/mock/f40-build-832421-14883/root/chroot_tmpdir/scmroot/plymouth-theme-breeze'...
$ git fetch origin 4f6a34e162b1a0364600bd56dd9f324ee0f17afe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plymouth-theme-breeze
 * [new ref]         4f6a34e162b1a0364600bd56dd9f324ee0f17afe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f6a34e fix: really modify spec files for 6.0.5