From 4f8ddad06ad88e29e2e8f01277aeda2d2181e5bb Mon Sep 17 00:00:00 2001
From: Rudolf Polzer <divverent@xonotic.org>
Date: Sun, 11 Mar 2012 16:13:12 +0100
Subject: [PATCH] zipdiff: use a trick from ./all: use BOTH infozip AND 7zip to
 make best possible zip file

---
 misc/tools/xzipdiff |  4 ++--
 misc/tools/zipdiff  | 14 +++++++++++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/misc/tools/xzipdiff b/misc/tools/xzipdiff
index 03824bed..25c85f7c 100755
--- a/misc/tools/xzipdiff
+++ b/misc/tools/xzipdiff
@@ -33,7 +33,7 @@ makepatchname()
 	echo "$prefix$fromversion"patch"$toversion$suffix"
 }
 
-zipdiff -z "zip -9r" -f "$from" -t "$to" -o "$output" -x "$excludes"
+zipdiff -f "$from" -t "$to" -o "$output" -x "$excludes"
 
 tempdir=`mktemp -d -t zipdiff.XXXXXX`
 cd "$tempdir"
@@ -47,7 +47,7 @@ for x in $excludes; do
 	patchname=`makepatchname "$x" "$fromname" "$toname"`
 	patchdir="c/$patchname"; patchdir=${patchdir%/*}
 	mkdir -p "$patchdir"
-	zipdiff -z "zip -9r" -f a/"$fromname" -t b/"$toname" -o c/"$patchname"
+	zipdiff -f a/"$fromname" -t b/"$toname" -o c/"$patchname"
 	if [ -f c/"$patchname" ]; then
 		(cd c && zip -0r "$output" "$patchname")
 	fi
diff --git a/misc/tools/zipdiff b/misc/tools/zipdiff
index 4b61c356..88ea560e 100755
--- a/misc/tools/zipdiff
+++ b/misc/tools/zipdiff
@@ -14,7 +14,19 @@ output=
 from=
 to=
 excludes=
-ziptool="7za a -tzip -mx=9"
+ziptool="mkzip"
+
+mkzip()
+{
+	archive=$1; shift
+	sevenzipflags=-mx=9
+	zipflags=-9
+	ziplist=`mktemp`
+	find "$@" -xtype f \( -executable -or -type l \) -print > "$ziplist"
+	7za a -tzip $sevenzipflags -x@"$ziplist" "$archive" "$@" || true
+	zip         $zipflags -y   -@<"$ziplist" "$archive"      || true
+	rm -f "$ziplist"
+}
 
 while [ $# -gt 0 ]; do
 	o=$1
-- 
2.39.2