https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237030
Bug ID: 237030
Summary: ls -R produces invalid output when recursing dot
directories
Product: Base System
Version: 11.2-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: parakl...@darkreality.org
Created attachment 203394
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=203394&action=edit
Patch to skip recursion of dot directories
`ls -R` doesn't print dot directories (i.e. those with a '.' prefix) nor their
contents but it still recurses through them and will print the contents of
directories within.
The standard could be argued as ambiguous on this point (see bug #206192), but
generally the agreement is that this is the wrong behaviour. Note additionally
that FreeBSD doesn't exhibit either of the described behaviours because it
doesn't print the contents of a dot directory, only the contents of
non-dot-directories contained in dot-directories.
As an example set up a directory as follows: `mkdir test; cd test; git init`
Then `ls -R` outputs the following:
<-->
applypatch-msg.sample* pre-applypatch.sample* pre-rebase.sample*
update.sample*
commit-msg.sample* pre-commit.sample* pre-receive.sample*
post-update.sample* pre-push.sample*
prepare-commit-msg.sample*
./.git/info:
exclude
./.git/objects:
info/ pack/
./.git/objects/info:
./.git/objects/pack:
./.git/refs:
heads/ tags/
./.git/refs/heads:
./.git/refs/tags:
<-->
Now run `touch file; ls -R` and the result changes as follows:
<-->
file
./.git/branches:
./.git/hooks:
applypatch-msg.sample* pre-applypatch.sample* pre-rebase.sample*
update.sample*
commit-msg.sample* pre-commit.sample* pre-receive.sample*
post-update.sample* pre-push.sample*
prepare-commit-msg.sample*
./.git/info:
exclude
./.git/objects:
info/ pack/
./.git/objects/info:
./.git/objects/pack:
./.git/refs:
heads/ tags/
./.git/refs/heads:
./.git/refs/tags:
<-->
Notice the extra directories that are now output that weren't before.
The solution is quite simple, to just skip the recursion in the event that the
directory's children are skipped, and attached is a patch which does just that.
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