$ git clone -n https://src.fedoraproject.org/rpms/libosmocore.git /var/lib/mock/f42-build-side-1-3587418-46931/root/chroot_tmpdir/scmroot/libosmocore
Cloning into '/var/lib/mock/f42-build-side-1-3587418-46931/root/chroot_tmpdir/scmroot/libosmocore'...
$ git fetch origin d8aed99a8716d11cd722845fa650b49e3216ae25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libosmocore
 * [new ref]         d8aed99a8716d11cd722845fa650b49e3216ae25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8aed99 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild