Make running scripts more robust.

scripts/config.sh

@@ -0,0 +1,23 @@
+# Simply sets up a few useful variables.
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+function relative() {
+  local full_path="${SCRIPT_DIR}/../${1}"
+  echo $(realpath "${full_path}")
+}
+
+EXAMPLES_DIR=$(relative "examples")
+LIB_DIR=$(relative "lib")
+CODEGEN_DIR=$(relative "codegen")
+CONTRIB_DIR=$(relative "contrib")
+DOC_DIR=$(relative "target/doc")
+
+if [ "${1}" = "-p" ]; then
+  echo $SCRIPT_DIR
+  echo $EXAMPLES_DIR
+  echo $LIB_DIR
+  echo $CODEGEN_DIR
+  echo $CONTRIB_DIR
+  echo $DOC_DIR
+fi

scripts/test.sh

@@ -1,10 +1,9 @@
 #!/bin/bash
 set -e
 
-EXAMPLES_DIR="examples"
+# Brings in: EXAMPLES_DIR, LIB_DIR, CODEGEN_DIR, and CONTRIB_DIR, DOC_DIR
-LIB_DIR="lib"
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-CODEGEN_DIR="codegen"
+source $SCRIPT_DIR/config.sh
-CONTRIB_DIR="contrib"
 
 # Add Cargo to PATH.
 export PATH=${HOME}/.cargo/bin:${PATH}
@@ -61,7 +60,7 @@ for file in ${EXAMPLES_DIR}/*; do
     if [ -x "${bootstrap_script}" ]; then
       echo ":: Bootstrapping ${file}..."
 
-      if ! ./${bootstrap_script}; then
+      if ! ${bootstrap_script}; then
         echo ":: Running bootstrap script (${bootstrap_script}) failed!"
         echo ":: Skipping ${file}."
         continue