$ git clone -n https://src.fedoraproject.org/rpms/msr-tools.git /var/lib/mock/f42-build-3384228-45084/root/chroot_tmpdir/scmroot/msr-tools
Cloning into '/var/lib/mock/f42-build-3384228-45084/root/chroot_tmpdir/scmroot/msr-tools'...
$ git fetch origin 2ec71bf533e5ccc47c4c9fa91af047efd04ef8f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/msr-tools
 * [new ref]         2ec71bf533e5ccc47c4c9fa91af047efd04ef8f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ec71bf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild