#!/usr/bin/env bash

# script to delete warm-up builds, except the one promoted
# the promoted on is left just for safety
# And, FYI, this algorithm doesn't always work as expected,
# so is only good for "clearly older" directories.
# TODO: we should actually parse the directory as a timestamp,
# or, get it's creation date and do some match on it (e.g. any
# thing older than 1 day from when created.

declaredDir=$1
# make sure directories to delete start with same 3 chars as target
# this is to make sure something like old S-builds are not cleaned up
# along with I-builds.
pattern=${declaredDir:0:5}

echo restrict to directory names that match $pattern
echo act on directories older than $declaredDir

# example of full form from command line
# find ./drops -maxdepth 1 -type d -name I-I* -not -cnewer drops/I-I200603180020-200603180020  -exec rm -fr '{}' \;

if [ "$2" != "-doit" ] ; then
   echo "    This is a dry run. Add -doit to actually remove"
   thisCommand=" echo "
else
   thisCommand=" rm -fr "
fi

find ./drops -maxdepth 2 -type d -name "${pattern}*" -not -newer "./drops/${declaredStream}/${declaredDir}" -exec "${thisCommand}"  '{}' \;