allow passing homedir to run.sh

run.sh

@@ -1,15 +1,29 @@
 #!/usr/bin/env bash
 set -e
 
-HOME=$(mktemp -d)
+while [ -n "$1" ]; do
+  param="$1"
+  value="$2"
+  case $param in
+    --sdc-home)
+        SDC_HOME="$value"
+        shift
+        ;;
+    *)
+    break
+  esac
+  shift
+done
 
-echo "Running app with home directory: $HOME"
+SDC_HOME=${SDC_HOME:-$(mktemp -d)}
+
+echo "Running app with home directory: $SDC_HOME"
 
 # create the database for local testing
 
 python - << EOF
 from securedrop_client.models import Base, make_engine
-Base.metadata.create_all(make_engine("$HOME"))
+Base.metadata.create_all(make_engine("$SDC_HOME"))
 EOF
 
-exec python -m securedrop_client --home "$HOME"
+exec python -m securedrop_client --sdc-home "$SDC_HOME" $@