Re-applying Fix bin/start for macOS Big Sur #355 (overridden from merge conflict resolution)

compose/bin/start

@@ -1,14 +1,12 @@
 #!/bin/bash
 set -o errexit
-
+# Ref: https://stackoverflow.com/a/51789677/9821321
 function parseYaml {
   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
   sed -ne "s|,$s\]$s\$|]|" \
-      -e ":1;s|^\($s\)\($w\)$s:$s\[$s\(.*\)$s,$s\(.*\)$s\]|\1\2: [\3]\n\1  - \4|;t1" \
       -e "s|^\($s\)\($w\)$s:$s\[$s\(.*\)$s\]|\1\2:\n\1  - \3|;p" $1 | \
   sed -ne "s|,$s}$s\$|}|" \
-      -e ":1;s|^\($s\)-$s{$s\(.*\)$s,$s\($w\)$s:$s\(.*\)$s}|\1- {\2}\n\1  \3: \4|;t1" \
-      -e    "s|^\($s\)-$s{$s\(.*\)$s}|\1-\n\1  \2|;p" | \
+      -e "s|^\($s\)-$s{$s\(.*\)$s}|\1-\n\1  \2|;p" | \
   sed -ne "s|^\($s\):|\1|" \
       -e "s|^\($s\)-$s[\"']\(.*\)[\"']$s\$|\1$fs$fs\2|p" \
       -e "s|^\($s\)-$s\(.*\)$s\$|\1$fs$fs\2|p" \
@@ -42,8 +40,6 @@ done
 # Wait to exit until all missing files have been outputted to the user
 [ $IS_VALID = false ] && echo "Failed to start docker for missing volume files" && exit
 
-COMMENTING-OUT
-
 docker-compose -f docker-compose.yml -f docker-compose.dev.yml up -d --remove-orphans "$@"
 
 ## Blackfire support