$ git clone -n https://github.com/fedora-riscv/golang.git /var/lib/mock/f39-build-2499826-61673/root/chroot_tmpdir/scmroot/golang
Cloning into '/var/lib/mock/f39-build-2499826-61673/root/chroot_tmpdir/scmroot/golang'...
$ git fetch origin 9a726b96da2591b1512a8115630c19fbf4dc658a:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/golang
 * [new ref]         9a726b96da2591b1512a8115630c19fbf4dc658a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a726b9 Merge remote-tracking branch 'origin/f39-rv64' into f39-rv64