From 0c8b902aec765f95c39872a66c44edae70d30ece Mon Sep 17 00:00:00 2001
From: Rudolf Polzer <divVerent@xonotic.org>
Date: Fri, 27 May 2011 09:51:52 +0200
Subject: [PATCH] actually use hardlinks if possible

---
 all | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/all b/all
index d3e42d35..a17f2ac9 100755
--- a/all
+++ b/all
@@ -295,13 +295,27 @@ case "$cmd" in
 		{
 			release_src=$1; shift
 			release_dst=$1; shift
-			{
-				verbose cd "$release_src"
-				verbose git archive --format=tar HEAD -- "$@"
-			} | {
-				verbose cd "$release_dst"
-				verbose tar xvf -
-			}
+			# try to create a hardlink
+			if ln -f "$release_src/.git/HEAD" "$release_dst/.hardlink-test"; then
+				rm -f "$release_dst/.hardlink-test"
+				{
+					verbose cd "$release_src"
+					git ls-files HEAD -- "$@"
+				} | {
+					while IFS= read -r F; do
+						case "$F" in */*) mkdir -p "$release_dst/${F%/}" ;; esac
+						verbose ln -f "$release_src/$F" "$release_dst/$F"
+					done
+				}
+			else
+				{
+					verbose cd "$release_src"
+					verbose git archive --format=tar HEAD -- "$@"
+				} | {
+					verbose cd "$release_dst"
+					verbose tar xvf -
+				}
+			fi
 		}
 		;;
 esac
-- 
2.39.2