$ git clone -n https://src.fedoraproject.org/rpms/R-pkgcache.git /var/lib/mock/f37-build-side-32-misc-devel-347808-15535/root/chroot_tmpdir/scmroot/R-pkgcache
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-347808-15535/root/chroot_tmpdir/scmroot/R-pkgcache'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/R-pkgcache.git/': Error in the HTTP2 framing layer