$ git clone -n https://src.fedoraproject.org/rpms/python-decorator.git /var/lib/mock/f39-build-1429564-31684/root/chroot_tmpdir/scmroot/python-decorator
Cloning into '/var/lib/mock/f39-build-1429564-31684/root/chroot_tmpdir/scmroot/python-decorator'...
$ git fetch origin 4aaca7d436e473351733a78100d1f77a62a4336a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-decorator
 * [new ref]         4aaca7d436e473351733a78100d1f77a62a4336a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4aaca7d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild