$ git clone -n https://src.fedoraproject.org/rpms/golang-github-eclipse-paho-mqtt.git /var/lib/mock/f40-build-781845-131880/root/chroot_tmpdir/scmroot/golang-github-eclipse-paho-mqtt
Cloning into '/var/lib/mock/f40-build-781845-131880/root/chroot_tmpdir/scmroot/golang-github-eclipse-paho-mqtt'...
$ git fetch origin 5bb02987905afc3290001da7a79bc90c7960a493:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-eclipse-paho-mqtt
 * [new ref]         5bb02987905afc3290001da7a79bc90c7960a493 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5bb0298 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild