$ git clone -n https://gitee.com/src-opencloudos-rpms/pcre2.git /var/lib/mock/dist-oc9-build-251033-84065/root/chroot_tmpdir/scmroot/pcre2
Cloning into '/var/lib/mock/dist-oc9-build-251033-84065/root/chroot_tmpdir/scmroot/pcre2'...
$ git fetch origin a1200e75f0e23865df900764ae27c87adce40140:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/pcre2
 * [new ref]         a1200e75f0e23865df900764ae27c87adce40140 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1200e7 import pcre2-10.42-8.tl4