Google Cloud Bucket: create explicit dirs

gsmkdirs.sh

#!/bin/bash

##
## Creates explicit dirs on the bucket
##

function print_help() {
  echo "Usage:" $(basename $0) bucket_mounted_dir
  exit 1
}

if [[ -z $1 || ! -d $1 ]]; then
  print_help
fi

# Expect mount dir is /*/*
path=$(echo $1|sed -rn 's|^/[^/]+/[^/]+/?||p')
mnt=${1%$path}
mnt=${mnt%/}
path=${path%/}
bucket=$(mount | grep -F "$mnt")
bucket=${bucket%% *}
if [[ -z "$bucket" || "$bucket" == /* ]]; then
  echo No or wrong mount point for $mnt
  exit 1
fi
bucket=gs://"$bucket"

echo Creating dirs for $bucket/$path in $mnt/$path ...
echo Press ENTER to continue ...
read

declare -A cdirs # created dirs

gsutil ls -r "$bucket/$path" | while IFS='' read -r line; do
  if [[ -z "$line" || "$line" == */ || "$line" == *: ]]; then continue; fi
  #echo Line $line
  dir=${line#$bucket}
  if [[ -z $dir ]]; then continue; fi
  dir=${dir%/*} # dirname
  #echo Examining $dir
  if [[ -z $dir || ${cdirs[$dir]+1} ]]; then continue; fi
  cdirs[$dir]=1
  diskdir="$mnt$dir"
  if [[ -e "$diskdir" ]]; then
    echo Dir already exists $diskdir
    continue
  fi
  echo Creating $diskdir
  mkdir -p "$diskdir"
done