Hi! On Thu, 2025-09-25 at 20:48:47 -0700, Ulysses Zhan wrote: > Some time ago, maintainers of nixpkgs found that in the source repo > of dpkg, there are two files, namely |scripts/t/Dpkg_BuildTree.t| > and |scripts/t/dpkg_buildtree.t|, which have the same path other > than capitalizations. This makes it hard to check out the source > codes on case-insensitive file systems, so workarounds and patches > are needed to compile dpkg on those systems. I think it would be a > good idea to change the filenames so that they can be regarded as > different paths on case-insensitive file systems.
In principle case-insensitive filesystems are not supported by dpkg, because they (can) create hidden aliasing issues which dpkg will then be unaware of and might lead to data corruption. See <https://wiki.debian.org/Teams/Dpkg/FAQ#Q:_What_are_the_filesystem_requirements_by_dpkg.3F>. And while changing those filenames could be done, I guess it's a way to automatically trip over on such unsupported systems (although perhaps in a non-obvious way). Should probably also add a configure check. Out of curiosity, what systems are those affected? macOS perhaps? Thanks, Guillem
