$ git clone -n https://src.fedoraproject.org/rpms/krita.git /var/lib/mock/f45-build-107978-15000/root/chroot_tmpdir/scmroot/krita
Cloning into '/var/lib/mock/f45-build-107978-15000/root/chroot_tmpdir/scmroot/krita'...
$ git fetch origin 3e3338f81b7576cf7a3de391757991c3dfcc2bd0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/krita
 * [new ref]         3e3338f81b7576cf7a3de391757991c3dfcc2bd0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e3338f 6.0.3