rpm_packaging_guide：Working with SPEC files：https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/rpm_packaging_guide/index#doc-wrapper
示例：https://cbs.centos.org/kojifiles/packages/gnutls/3.7.6/20.el9sbase_901/data/logs/x86_64/build.log
xpatch=nettle-2.7.1-tmpalloc.patch; cat $xpatch | git apply --index --reject -p1 -; git commit -q -m $xpatch --author 'rpm-build