$ git clone -n https://src.fedoraproject.org/rpms/source-highlight-qt.git /var/lib/mock/f40-build-2260886-54424/root/chroot_tmpdir/scmroot/source-highlight-qt
Cloning into '/var/lib/mock/f40-build-2260886-54424/root/chroot_tmpdir/scmroot/source-highlight-qt'...
$ git fetch origin 8d3b5d294c30bb6648bcc82659b7bef067df8760:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/source-highlight-qt
 * [new ref]         8d3b5d294c30bb6648bcc82659b7bef067df8760 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d3b5d2 Rebuilt for Boost 1.83