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[PATCH 5/6] doc: clarify current realpath --relative-base behavior


From: Eric Blake
Subject: [PATCH 5/6] doc: clarify current realpath --relative-base behavior
Date: Wed, 14 Mar 2012 14:38:16 -0600

For compatibility with MacOS relpath(1), as seen here:

http://opensource.apple.com/source/bootstrap_cmds/\
bootstrap_cmds-79/relpath.tproj/relpath.c

we implemented 'realpath --relative-base=dir1 --relative-to=dir2 file'
in the same way as 'relpath -d dir1 dir2 file'.  This can result
in --relative-base rendering --relative-to as a no-op if dir1 is a
child of dir2.  Document this.

* doc/coreutils.texi (realpath invocation): Mention restriction.
---

The git pre-commit hook gave me grief, as the URL is longer than 72
columns.  I'm not sure if you want the longer URL intact when pushing
this upstream, by forcefully bypassing the hook.

 doc/coreutils.texi |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 835c245..10be715 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -12905,7 +12905,9 @@ realpath invocation
 the output of @option{--relative-to} so that relative names are output,
 only when @var{file}s are descendants of @var{base}.  Otherwise output the
 absolute file name.  If @option{--relative-to} was not specified, then
-the descendants of @var{base} are printed relative to @var{base}.
+the descendants of @var{base} are printed relative to @var{base}.  If
address@hidden is specified, then that directory must be a
+descendant of @var{base} for this option to have an effect.
 Note: this option honors the @option{-m} and @option{-e}
 options pertaining to file existence.  For example:

-- 
1.7.7.6




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