From 36355b41657e17812f72c15ecb4e090ea1249c3b Mon Sep 17 00:00:00 2001
From: Joshua Nathaniel Pritikin <jpritikin@pobox.com>
Date: Mon, 11 Nov 2013 14:57:26 -0500
Subject: [PATCH] Use git archive for checkout

---
 git-latexdiff | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/git-latexdiff b/git-latexdiff
index ded22f4..7cf892f 100755
--- a/git-latexdiff
+++ b/git-latexdiff
@@ -361,7 +361,7 @@ else
   checkoutroot="."
 fi
 
-git --git-dir="$git_dir" --work-tree=. checkout "$old" -- "$checkoutroot" || die "checkout failed for old/"
+(cd "$git_dir" && git archive --format=tar "$old" "$checkoutroot") | tar -xf -
 verbose_progress
 cd ../new || die "Cannot cd to new/"
 if test "$ln_untracked" = 1; then
@@ -370,7 +370,7 @@ fi
 if test "$new" != "--"; then
     # if new == "--" then diff working dir (already there thanks to ln
     # -s above).
-    git --git-dir="$git_dir" --work-tree=. checkout "$new" -- "$checkoutroot" || die "checkout failed for new/"
+    (cd "$git_dir" && git archive --format=tar "$new" "$checkoutroot") | tar -xf -
 fi
 verbose_progress
 cd ..