copy_exec: Check if ldd is around

got report of a box with missing ldd.
as the errors get seded away the user is left with no idea of the failure.

Signed-off-by: maximilian attems <maks@debian.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/hook-functions b/hook-functions
index bd9e06a..9d59dc1 100644
--- a/hook-functions
+++ b/hook-functions
@@ -147,6 +147,10 @@ copy_exec() {
 	fi
 
 	# Copy the dependant libraries
+	if ! command -v ldd >/dev/null 2>&1 ; then
+		echo "WARNING: no ldd around - install libc-bin"
+		exit 1
+	fi
 	for x in $(ldd ${source} 2>/dev/null | sed -e '
 	    /\//!d;
 	    /linux-gate/d;