$ git clone -n https://src.fedoraproject.org/rpms/zasx.git /var/lib/mock/f39-build-1496484-34549/root/chroot_tmpdir/scmroot/zasx
Cloning into '/var/lib/mock/f39-build-1496484-34549/root/chroot_tmpdir/scmroot/zasx'...
$ git fetch origin 39404cad2509cee6cfa3e445042ca69f735e0c0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zasx
 * [new ref]         39404cad2509cee6cfa3e445042ca69f735e0c0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39404ca Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild