$ git clone -n https://gitee.com/src-anolis-os/pcre2.git /var/lib/mock/dist-an23-loongarch-build-314440-67390/root/chroot_tmpdir/scmroot/pcre2
Cloning into '/var/lib/mock/dist-an23-loongarch-build-314440-67390/root/chroot_tmpdir/scmroot/pcre2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/pcre2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db9c86d !11 fix build error for loongarch64 Merge pull request !11 from zhangwenlong01/a23