$ git clone -n https://src.fedoraproject.org/rpms/yambar.git /var/lib/mock/f39-build-1558587-37306/root/chroot_tmpdir/scmroot/yambar
Cloning into '/var/lib/mock/f39-build-1558587-37306/root/chroot_tmpdir/scmroot/yambar'...
$ git fetch origin c5ad0f358b7919770bb4a9977053ba757463add0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yambar
 * [new ref]         c5ad0f358b7919770bb4a9977053ba757463add0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5ad0f3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild