From 854c4168e77a692dc198311f04bf31939355f2a3 Mon Sep 17 00:00:00 2001
From: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Date: Sat, 9 Sep 2006 17:02:38 +0200
Subject: [PATCH] git-archive: make compression level of ZIP archives
 configurable

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>
---
 archive.h          |  1 +
 builtin-archive.c  | 11 +++++++++--
 builtin-zip-tree.c | 13 +++++++++++++
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/archive.h b/archive.h
index f3d344b652..d8cca735d2 100644
--- a/archive.h
+++ b/archive.h
@@ -42,5 +42,6 @@ extern void parse_pathspec_arg(const char **pathspec,
  */
 extern int write_tar_archive(struct archiver_args *);
 extern int write_zip_archive(struct archiver_args *);
+extern void *parse_extra_zip_args(int argc, const char **argv);
 
 #endif	/* ARCHIVE_H */
diff --git a/builtin-archive.c b/builtin-archive.c
index 651d1bf6d9..b944737550 100644
--- a/builtin-archive.c
+++ b/builtin-archive.c
@@ -15,8 +15,15 @@ static const char archive_usage[] = \
 "git-archive --format=<fmt> [--prefix=<prefix>/] [<extra>] <tree-ish> [path...]";
 
 struct archiver archivers[] = {
-	{ .name = "tar", .write_archive = write_tar_archive },
-	{ .name = "zip", .write_archive = write_zip_archive },
+	{
+		.name		= "tar",
+		.write_archive	= write_tar_archive,
+	},
+	{
+		.name		= "zip",
+		.write_archive	= write_zip_archive,
+		.parse_extra	= parse_extra_zip_args,
+	},
 };
 
 static int run_remote_archiver(struct archiver *ar, int argc,
diff --git a/builtin-zip-tree.c b/builtin-zip-tree.c
index 3afb7bde74..4e796338af 100644
--- a/builtin-zip-tree.c
+++ b/builtin-zip-tree.c
@@ -379,3 +379,16 @@ int write_zip_archive(struct archiver_args *args)
 
 	return 0;
 }
+
+void *parse_extra_zip_args(int argc, const char **argv)
+{
+	for (; argc > 0; argc--, argv++) {
+		const char *arg = argv[0];
+
+		if (arg[0] == '-' && isdigit(arg[1]) && arg[2] == '\0')
+			zlib_compression_level = arg[1] - '0';
+		else
+			die("Unknown argument for zip format: %s", arg);
+	}
+	return NULL;
+}