Corrected checksum calculation to be repeatedly consistent by untarring the entire archive and piping the contents to sha1sum, so we do not take the file timestamps into account any more

Author: Andy Goldstein

gear/prepare

@@ -38,7 +38,7 @@ if tar tf $tmp_file .openshift/action_hooks/user_prepare 2>&1 > /dev/null; then
   tmp_file=$user_artifact
 fi
 
-artifact_sha1=`sha1sum $tmp_file | cut -f 1 -d ' '`
+artifact_sha1=`tar xOf $tmp_file | sha1sum | cut -f 1 -d ' '`
 
 # move the artifact to the artifacts dir
 artifact_dir=$ARTIFACTS_DIR/$artifact_sha1

gear/validate

@@ -9,7 +9,7 @@ checksum=$1
 
 artifact_dir=$ARTIFACTS_DIR/$checksum
 
-calculated_sha1=`sha1sum $artifact_dir/$checksum | cut -f 1 -d ' '`
+calculated_sha1=`tar xOf $artifact_dir/$checksum | sha1sum | cut -f 1 -d ' '`
 
 if [ $checksum != $calculated_sha1 ]; then
   echo 'Artifact checksum verification failed - exiting'