nsswitch.conf.5: Document group merging

Document the recently merged glibc group merge support.

https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ced8f8933673f4efda1d666d26a1a949602035ed
https://sourceware.org/glibc/wiki/Proposals/GroupMerging
This commit is contained in:
Marko Myllynen 2016-05-02 14:03:59 +03:00 committed by Michael Kerrisk
parent b31056e386
commit a4f6f08769
1 changed files with 12 additions and 0 deletions

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@ -204,6 +204,8 @@ where
.B return
|
.B continue
|
.B merge
.RE
.LP
The ! negates the test, matching all possible results except the
@ -257,6 +259,16 @@ without affecting the search result.
.TP
.B continue
Call the next lookup function.
.TP
.B merge
.I [SUCCESS=merge]
is used between two database entries.
When a group is located in the first of the two group entries,
processing will continue on to the next one.
If the group is also found in the next entry (and the group name and GID
are an exact match), the member list of the second entry will be added
to the group object to be returned.
Available since glibc 2.24.
.RE
.SS Compatibility mode (compat)
The NSS "compat" service is similar to "files" except that it