From 7b173c1770bd96196c6ba912845b501749b1810b Mon Sep 17 00:00:00 2001
From: p4bl0 <pablo@rauzy.name>
Date: Sun, 25 Jul 2010 13:52:08 +0200
Subject: preventing to go through foreach loops if not actually in use (there
 can be a lot of commits)

---
 post-commit.sh | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'post-commit.sh')

diff --git a/post-commit.sh b/post-commit.sh
index 1f13f0e..6929db4 100644
--- a/post-commit.sh
+++ b/post-commit.sh
@@ -237,13 +237,18 @@ replace_foreach () {
   temp=`tempfile -p "fugitive"`
   fe="foreach:$1"
   cat > "$temp"
+  cat "$temp" | \
+    sed -n "/<?fugitive\s\+$fe\s*?>/,/<?fugitive\s\+end$fe\s*?>/p" | \
+    tail -n +2 | head -n -1 > "$foreach_body"
+  if [ ! -s "$foreach_body" ]; then
+    cat "$temp"
+    rm "$foreach_body" "$tmpfile" "$temp"
+    return
+  fi
   cat "$temp" | \
   sed "s/<?fugitive\s\+$fe\s*?>/<?fugitive foreach_body ?>\n\0/" | \
     sed "/<?fugitive\s\+$fe\s*?>/,/<?fugitive\s\+end$fe\s*?>/d" | \
     cat > "$tmpfile"
-  cat "$temp" | \
-    sed -n "/<?fugitive\s\+$fe\s*?>/,/<?fugitive\s\+end$fe\s*?>/p" | \
-    tail -n +2 | head -n -1 > "$foreach_body"
   for i in `cat "$2"`; do
     cat "$foreach_body" | replace_$1_info "$i"
   done > "$temp"
-- 
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