$ git clone -n http://8.131.229.236/anolis-os/ghc-old-time /var/lib/mock/dist-an8-dep-build-17793-7744/root/chroot_tmpdir/scmroot/ghc-old-time
Cloning into '/var/lib/mock/dist-an8-dep-build-17793-7744/root/chroot_tmpdir/scmroot/ghc-old-time'...
$ git reset --hard origin/a8
HEAD is now at 05473d1 import ghc-old-time-1.1.0.3-7.el8