$ git clone -n https://gitee.com/gcdota930915/glib2.git /var/lib/mock/dist-an8_8-el9-build-156864-58415/root/chroot_tmpdir/scmroot/glib2
Cloning into '/var/lib/mock/dist-an8_8-el9-build-156864-58415/root/chroot_tmpdir/scmroot/glib2'...
$ git reset --hard origin/a8
HEAD is now at 5e877f2 update to glib2-2.68.4-5.el9.src.rpm