$ git clone -n https://src.fedoraproject.org/rpms/libgsystem.git /var/lib/mock/f41-build-1697946-24523/root/chroot_tmpdir/scmroot/libgsystem
Cloning into '/var/lib/mock/f41-build-1697946-24523/root/chroot_tmpdir/scmroot/libgsystem'...
$ git fetch origin 73004bab23268d8dd8a9ae29820a7bc720392aaa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgsystem
 * [new ref]         73004bab23268d8dd8a9ae29820a7bc720392aaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73004ba Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild