I've just pushed the following:

[PATCH 1/4] build: fix type-vs-format-string mismatches
[PATCH 2/4] build: address -Wimplicit-fallthrough= warnings
[PATCH 3/4] build: add die.h from coreutils
[PATCH 4/4] lid: fix invalid fallthrough after failed exec

see https://git.sv.gnu.org/cgit/idutils.git or the attached