$ git clone -n https://src.fedoraproject.org/rpms/jaero.git /var/lib/mock/f40-build-759569-120573/root/chroot_tmpdir/scmroot/jaero
Cloning into '/var/lib/mock/f40-build-759569-120573/root/chroot_tmpdir/scmroot/jaero'...
$ git fetch origin 8632f98ea029677612953b1ae5cba613834c867d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jaero
 * [new ref]         8632f98ea029677612953b1ae5cba613834c867d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8632f98 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild