$ git clone -n https://src.fedoraproject.org/rpms/strawberry.git /var/lib/mock/f39-build-2116237-50693/root/chroot_tmpdir/scmroot/strawberry
Cloning into '/var/lib/mock/f39-build-2116237-50693/root/chroot_tmpdir/scmroot/strawberry'...
$ git fetch origin 6030901d595741b5ba7b3f8283ffa87b36eef4d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/strawberry
 * [new ref]         6030901d595741b5ba7b3f8283ffa87b36eef4d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6030901 Merge branch 'f39' into rawhide