[question] run_depends vs shlib-requires

[dkwo]

Why do some packages (e.g. wlroots libinput) both run_depends on eudev-libudev and shlib-requires libudev.so.1?
is there a reason they run-depend explicitly, rather than cleanly via the .so?
if they only did the latter, then anything providing libudev.so.1 could replace eudev-libudev, as in #42488

[classabbyamp]

common/shlibs is used to track what shilbs come from which packages and versions. that's used by xbps-src to generate a list of run_depends that combines what's in depends= with what shlibs are detected. run_depends within xbps is used to build the transaction, and shilb-requires and shlib-provides are used at a later time to check things. depending "cleanly via the .so" doesn't exist

[dkwo]

I see, thanks for explaining that. Is there any infra for a package like libudev-zero to be installed as a replacement of eudev and eudev-libudev, besides adding them to ignorepkg?

[dkwo]

# PLEASE NOTE: when multiple packages provide the same SONAME, the first
# one (order top->bottom) is preferred over the next ones.

I guess this just means that xbps-src picks the top one when generating the run_depends.