[PATCH 1/3] cg-admin-rewritehist: catch git-rev-list returning no commit

From: Yann Dirson <ydirson@altern.org>
Date: Jun 11, 2006, 12:04 UTC
Message-ID: <20060611120455.12116.14042.stgit@gandelf.nowhere.earth>
In-Reply-To: <20060611120431.12116.74005.stgit@gandelf.nowhere.earth>

Signed-off-by: Yann Dirson <ydirson@altern.org>
---

 cg-admin-rewritehist |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/cg-admin-rewritehist b/cg-admin-rewritehist
index 861c7f6..fe3f210 100755
--- a/cg-admin-rewritehist
+++ b/cg-admin-rewritehist
@@ -199,6 +199,10 @@ done
 git-rev-list --topo-order HEAD $startrev | tac >../revs
 commits=$(cat ../revs | wc -l)
 
+if [ $commits -eq 0 ]; then
+    die "Found nothing to rewrite"
+fi
+
 i=0
 while read commit; do
 	i=$((i+1))