$ git clone -n http://8.131.229.236/anolis-os/libexif /var/lib/mock/dist-el8-updates-build-16746-2666/root/chroot_tmpdir/scmroot/libexif
Cloning into '/var/lib/mock/dist-el8-updates-build-16746-2666/root/chroot_tmpdir/scmroot/libexif'...
$ git reset --hard origin/a8
HEAD is now at fa36fee update to libexif-0.6.21-18.el8_2.src.rpm