$ git clone -n https://src.fedoraproject.org/rpms/tinyproxy.git /var/lib/mock/f40-build-1602116-24051/root/chroot_tmpdir/scmroot/tinyproxy
Cloning into '/var/lib/mock/f40-build-1602116-24051/root/chroot_tmpdir/scmroot/tinyproxy'...
$ git fetch origin 346167601cb60a98e427d916ad09adca2580f568:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tinyproxy
 * [new ref]         346167601cb60a98e427d916ad09adca2580f568 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3461676 Update to version 1.11.2 rhbz#2298298