$ git clone -n https://src.fedoraproject.org/rpms/portmidi.git /var/lib/mock/f40-build-2203017-51902/root/chroot_tmpdir/scmroot/portmidi
Cloning into '/var/lib/mock/f40-build-2203017-51902/root/chroot_tmpdir/scmroot/portmidi'...
$ git fetch origin 9b1afb61f73f05dfc86eab00668756bb27825db5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/portmidi
 * [new ref]         9b1afb61f73f05dfc86eab00668756bb27825db5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b1afb6 Conditionalize docs