$ git clone -n http://fedora.riscv.rocks:3000/rpms/zig.git /var/lib/mock/f41-build-855756-167369/root/chroot_tmpdir/scmroot/zig
Cloning into '/var/lib/mock/f41-build-855756-167369/root/chroot_tmpdir/scmroot/zig'...
$ git fetch origin 9dd8259b3a7eb9650ade7edc0d32669ce32fb472:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/zig
 * [new ref]         9dd8259b3a7eb9650ade7edc0d32669ce32fb472 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dd8259 Backport PR 21474