From: Alejandro Colomar <alx@kernel.org>
Date: Sun, 22 Dec 2024 14:08:42 +0000 (+0100)
Subject: src/bin/diffman, man/man1/diffman.1: -s: Add support for diff(1)'s -s flag
X-Git-Tag: man-pages-6.10~44
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b02d2c0fbcadb8484a9e45e7e8605a1e2c4c988;p=thirdparty%2Fman-pages.git

src/bin/diffman, man/man1/diffman.1: -s: Add support for diff(1)'s -s flag

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/man/man1/diffman.1 b/man/man1/diffman.1
index fa4d21f02..e648f7b38 100644
--- a/man/man1/diffman.1
+++ b/man/man1/diffman.1
@@ -30,6 +30,9 @@ The output is suitable for piping to
 .IR less\~\-R .
 .SH OPTIONS
 .TP
+.B \-s
+Report when two files are the same.
+.TP
 .BI \-U n
 output
 .I n
diff --git a/src/bin/diffman b/src/bin/diffman
index 16ce248ab..921905c7e 100755
--- a/src/bin/diffman
+++ b/src/bin/diffman
@@ -8,6 +8,7 @@ shopt -s lastpipe;
 
 
 # Defaults:
+s='';
 u='-u';
 w='';
 
@@ -19,8 +20,9 @@ err()
 }
 
 
-while getopts "U:w" opt; do
+while getopts "sU:w" opt; do
 	case "$opt" in
+	s)	s='-s';		;;&
 	U)	u="-U$OPTARG";	;;&
 	w)	w='-w';		;;&
 	\?)	exit 1;		;;&
@@ -52,7 +54,7 @@ groff -man -Tutf8 <"$p2" >"$t2";
 
 
 # shellcheck disable=SC2206  # We want only non-empty variables in the array.
-opts=($w $u);
+opts=($s $w $u);
 
 
 diff "${opts[@]}" "$t1" "$t2";