X-Git-Url: https://git.distorted.org.uk/~mdw/rsync-backup/blobdiff_plain/4d1e50d8b0344b405fd7b51d589dfd6136b6f719..3d32ff8ff7bc08ccc7772cb326b54ebcff2b1224:/fshash.1

diff --git a/fshash.1 b/fshash.1
index f9d02bf..788a7d8 100644
--- a/fshash.1
+++ b/fshash.1
@@ -16,6 +16,14 @@
 .IR hash ]
 .RI [ file
 \&...]
+.br
+.B fshash
+.RB \-u
+.B \-c
+.I cache
+.RB [ \-H
+.IR hash ]
+.RI [ dir ]
 .SH DESCRIPTION
 The
 .B fshash
@@ -92,8 +100,16 @@ Use the
 .I hash
 function, which can be any hash function supported by Python's
 .BR hashlib .
-If this option may be omitted then the hash is read from the cache file;
-if there is no cache file either, then an error is reported.
+This option may be omitted: if it is, then the hash is read from the
+cache file; if there is no cache file either, then an error is reported.
+.TP
+.B \-u, \-\-udiff
+Rather than produce a manifest, read a unified
+.BR diff (1)
+from standard input, and clear from the cache all files mentioned as
+being different.  Filenames in the diff are considered relative to
+.I dir ,
+defaulting to the current working directory.
 .PP
 Positional arguments are interpreted as files and directories to be
 processed, in order.  A directory name which ends in
@@ -110,7 +126,6 @@ hexadecimal.  For other kinds of filesystem object, a description of the
 object type and any special information about it, in square brackets,
 and padded with spaces so as to take the same width as a hash; see
 below for details.
-as follows.
 .hP 2.
 A `virtual inode identifier': a string which will be the same in two
 lines if and only if they represent hard links to the same underlying
@@ -177,7 +192,7 @@ The information field shows
 .BR symbolic-link .
 The name is followed by
 .RB ` \~\->\~ '
-and the link target (or by
+and the link target (or
 .BI <E nn \~ message >
 if there was an error reading the link destination).
 .TP