From: Alejandro Colomar <alx@kernel.org>
Date: Fri, 10 Jan 2025 00:53:14 +0000 (+0100)
Subject: src/bin/duffman: Allow diffing two git references
X-Git-Tag: man-pages-6.10~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06bf2c90a574cb55e92494a925a2da1cfdd35738;p=thirdparty%2Fman-pages.git

src/bin/duffman: Allow diffing two git references

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

diff --git a/src/bin/duffman b/src/bin/duffman
index a27cb2f06..273758d14 100755
--- a/src/bin/duffman
+++ b/src/bin/duffman
@@ -22,7 +22,7 @@ while getopts "sU:w" opt; do
 done;
 shift $((OPTIND-1));
 
-if test $# -gt 1; then
+if test $# -gt 2; then
 	>&2 echo "$(basename "$0"): error: Too many arguments.";
 	exit 1;
 fi;
@@ -35,15 +35,17 @@ test -v MAN_KEEP_FORMATTING || export MAN_KEEP_FORMATTING=1;
 opts=($s $w $u);
 
 case $# in
-0)  git diff --name-only;
-*)  git diff --name-only "$1^..$1";
+0)  git diff --name-only;		;;
+1)  git diff --name-only "$1^..$1";	;;
+*)  git diff --name-only "$1..$2";	;;
 esac \
 | grep -E '(\.[[:digit:]]([[:alpha:]][[:alnum:]]*)?\>|\.man)+(\.man|\.in)*$' \
 | sortman \
 | while read f; do \
 	case $# in
 	0)  old="HEAD:$f";  new="./$f";   ;;
-	*)  old="$1^:$f";   new="$1:$f";  ;;
+	1)  old="$1^:$f";   new="$1:$f";  ;;
+	*)  old="$1:$f";    new="$2:$f";  ;;
 	esac;
 
 	case $# in