$ git clone -n https://src.fedoraproject.org/rpms/rubygem-jekyll-feed.git /var/lib/mock/f37-build-side-32-misc-devel-137273-8405/root/chroot_tmpdir/scmroot/rubygem-jekyll-feed
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-137273-8405/root/chroot_tmpdir/scmroot/rubygem-jekyll-feed'...
$ git reset --hard a4fb02953a93f2c8fd7eb71d013c0ce0f3f3fd3c
HEAD is now at a4fb029 Update to 0.17.0 (rhbz#2134996)