$ git clone -n https://src.fedoraproject.org/rpms/grep.git /var/lib/mock/f33-build-631855-67655/root/chroot_tmpdir/scmroot/grep
Cloning into '/var/lib/mock/f33-build-631855-67655/root/chroot_tmpdir/scmroot/grep'...
$ git reset --hard 134b1f6c629992ea5dcbdaa59acacf9b97a7299e
HEAD is now at 134b1f6 Backported upstream fix for many-regexp N^2 RSS regression   by rss-regression-fix patch (without test)   Resolves: rhbz#1967370