Merge pull request #167 from tamsky/patch-1

codebuild_build.sh: add/cleanup detail in usage()

Author: awszhen

local_builds/codebuild_build.sh

@@ -34,14 +34,14 @@ function usage {
     echo "  -i        Used to specify the customer build container image."
     echo "  -a        Used to specify an artifact output directory."
     echo "Options:"
-    echo "  -l        Used to override the default local agent image."
-    echo "  -s        Used to specify a source directory. Defaults to the current working directory."
+    echo "  -l IMAGE  Used to override the default local agent image."
+    echo "  -s DIR    Used to specify a source directory. Defaults to the current working directory."
     echo "  -c        Use the AWS configuration and credentials from your local host. This includes ~/.aws and any AWS_* environment variables."
-    echo "  -b        Used to specify a buildspec override file. Defaults to buildspec.yml in the source directory."
-    echo "  -e        Used to specify a file containing environment variables."
+    echo "  -b FILE   Used to specify a buildspec override file. Defaults to buildspec.yml in the source directory."
     echo "  -m        Used to mount the source directory to the customer build container directly."
-    echo "            Environment variable file format:"
-    echo "               * Expects each line to be in VAR=VAL format"
+    echo "  -e FILE   Used to specify a file containing environment variables."
+    echo "            (-e) File format expectations:"
+    echo "               * Each line is in VAR=VAL format"
     echo "               * Lines beginning with # are processed as comments and ignored"
     echo "               * Blank lines are ignored"
     echo "               * File can be of type .env or .txt"
@@ -162,4 +162,4 @@ echo ""
 echo $exposed_command
 echo ""
 
-eval $docker_command
+eval $docker_command