$ git clone -n https://gitee.com/lzq11122/pcre.git /var/lib/mock/dist-an23-build-461994-73793/root/chroot_tmpdir/scmroot/pcre
Cloning into '/var/lib/mock/dist-an23-build-461994-73793/root/chroot_tmpdir/scmroot/pcre'...
$ git fetch origin b21c591134c32316a9243863e8ccd23f1b7b4cdd:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/pcre
 * [new ref]         b21c591134c32316a9243863e8ccd23f1b7b4cdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b21c591 fix build error for sw_64