$ git clone -n https://src.fedoraproject.org/rpms/jsonrpc-glib.git /var/lib/mock/f40-build-2292148-56105/root/chroot_tmpdir/scmroot/jsonrpc-glib
Cloning into '/var/lib/mock/f40-build-2292148-56105/root/chroot_tmpdir/scmroot/jsonrpc-glib'...
$ git fetch origin 755c547ae001e2eaa573e1d2ea4903b6321f3632:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsonrpc-glib
 * [new ref]         755c547ae001e2eaa573e1d2ea4903b6321f3632 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 755c547 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild