$ git clone -n https://src.fedoraproject.org/rpms/khelpcenter.git /var/lib/mock/f37-build-677975-76355/root/chroot_tmpdir/scmroot/khelpcenter
Cloning into '/var/lib/mock/f37-build-677975-76355/root/chroot_tmpdir/scmroot/khelpcenter'...
$ git reset --hard 3cb52a0d15d2358bb3d2d55e6666ecd7346a17c6
HEAD is now at 3cb52a0 fix: update spec file