$ git clone -n https://src.fedoraproject.org/rpms/libkgapi.git /var/lib/mock/f39-build-1652117-40496/root/chroot_tmpdir/scmroot/libkgapi
Cloning into '/var/lib/mock/f39-build-1652117-40496/root/chroot_tmpdir/scmroot/libkgapi'...
$ git fetch origin 806a1046d10f5098b383211563e24d29942d1ed0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkgapi
 * [new ref]         806a1046d10f5098b383211563e24d29942d1ed0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 806a104 23.08.2