$ git clone -n https://src.fedoraproject.org/rpms/linbox.git /var/lib/mock/f40-build-798217-141764/root/chroot_tmpdir/scmroot/linbox
Cloning into '/var/lib/mock/f40-build-798217-141764/root/chroot_tmpdir/scmroot/linbox'...
$ git fetch origin 7389d46e81dc00dcb952b2ccbbbec3fb4fcc6c8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linbox
 * [new ref]         7389d46e81dc00dcb952b2ccbbbec3fb4fcc6c8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7389d46 Backport a commit to fix building with GCC 14 (fix RHBZ#2260378)