On 26.04.18 18:48, Elijah Newren wrote: > On HFS (which appears to be the default Mac filesystem prior to High > Sierra), unicode names are "normalized" before recording. Thus with a > script like: > > mkdir tmp > cd tmp > > auml=$(printf "\303\244") > aumlcdiar=$(printf "\141\314\210") > >"$auml" > > echo "auml: " $(echo -n "$auml" | xxd) > echo "aumlcdiar: " $(echo -n "$aumlcdiar" | xxd) > echo "Dir contents: " $(echo -n * | xxd) > > echo "Stat auml: " "$(stat -f "%i %Sm %Su %N" "$auml")" > echo "Stat aumlcdiar:" "$(stat -f "%i %Sm %Su %N" "$aumlcdiar")" > > We see output like: > > auml: 00000000: c3a4 .. > aumlcdiar: 00000000: 61cc 88 a.. > Dir contents: 00000000: 61cc 88 a.. > Stat auml: 857473 Apr 26 09:40:40 2018 newren ä > Stat aumlcdiar: 857473 Apr 26 09:40:40 2018 newren ä > > On APFS, which appears to be the new default filesystem in Mac OS High > Sierra, we instead see: > > auml: 00000000: c3a4 .. > aumlcdiar: 00000000: 61cc 88 a.. > Dir contents: 00000000: c3a4 .. > Stat auml: 8591766636 Apr 26 09:40:59 2018 newren ä > Stat aumlcdiar: 8591766636 Apr 26 09:40:59 2018 newren ä > > i.e. APFS appears to record the filename as specified by the user, but > continues to allow the user to access it via any name that normalizes > to the same thing. This difference causes t0050-filesystem.sh to fail > the final two tests. I could change the "UTF8_NFD_TO_NFC" flag > checking in test-lib.sh to instead test the exit code of stat to make > it pass these two tests, but I have no idea if there are problems > elsewhere that this would just be papering over. > > I dislike Mac OS and avoid it, so I'd prefer to find someone else > motivated to fix this. If no one is, I may eventually try to fix this > up...in a year or three from now. But is someone else interested? > Would this serve as a good microproject for our microprojects list (or > are the internals hairy enough that this is too big of a project for > that list)? > > > Elijah > Hm, thanks for the report. I don't have a high sierra box, but I can probably get one. t0050 -should- pass automagically, so I feel that I can do something. Unless someone is faster of course. Is it possible that you run debug=t verbose=t ./t0050-filesystem.sh and send the output to me ?
