$ git clone -n https://src.fedoraproject.org/rpms/kanagram.git /var/lib/mock/f39-build-1570976-37777/root/chroot_tmpdir/scmroot/kanagram
Cloning into '/var/lib/mock/f39-build-1570976-37777/root/chroot_tmpdir/scmroot/kanagram'...
$ git fetch origin 7eb3449dbb5dcbf0af9854111a91626e495f6086:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kanagram
 * [new ref]         7eb3449dbb5dcbf0af9854111a91626e495f6086 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7eb3449 23.08.2