[PATCH 2/3] cg-admin-rewritehist: catch errors in -r argument early

From

Yann Dirson <ydirson@altern.org>

Date

Jun 11, 2006, 12:04 UTC

Message-ID

<20060611120457.12116.81253.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 |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/cg-admin-rewritehist b/cg-admin-rewritehist
index fe3f210..7cbdb30 100755
--- a/cg-admin-rewritehist
+++ b/cg-admin-rewritehist
@@ -154,6 +154,8 @@ while optparse; do
 	if optparse -d=; then
 		tempdir="$OPTARG"
 	elif optparse -r=; then
+		git-rev-parse "$OPTARG" >/dev/null || die "Unknown revision '$OPTARG'"
+		git-rev-parse "$OPTARG^" >/dev/null || die "Revision '$OPTARG' does not have parents, check what you really want"
 		startrev="^$OPTARG^ $OPTARG $startrev"
 		startrevparents="$OPTARG $startrevparents"
 	elif optparse --env-filter=; then