$ git clone -n https://src.fedoraproject.org/rpms/kosmindoormap.git /var/lib/mock/f39-build-1602506-38571/root/chroot_tmpdir/scmroot/kosmindoormap
Cloning into '/var/lib/mock/f39-build-1602506-38571/root/chroot_tmpdir/scmroot/kosmindoormap'...
$ git fetch origin e6e68cd546da72e8989cbf63e778b91ad2781301:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kosmindoormap
 * [new ref]         e6e68cd546da72e8989cbf63e778b91ad2781301 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6e68cd Initial Import (fedora#2244302).