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#! /bin/bash
# Do some prep work
command -v jq >/dev/null 2>&1 || { echo >&2 "We require jq for this script to run, but it's not installed. Aborting."; exit 1; }
command -v sha1sum >/dev/null 2>&1 || { echo >&2 "We require sha1sum for this script to run, but it's not installed. Aborting."; exit 1; }
# quick checksum generator for all zip packages in this repo root folder
echo -n "[vdm.io] -- Building checksum and info file for all zip Packages found in this repository......"
# setup: positional arguments to pass in literal variables, query with code
jq_args=( )
jq_query='.'
# counter
nr=1
for filename in *.zip; do
# get the hash
fileHash=$(sha1sum "$filename" | awk '{print $1}')
# build the hash file name
hashFileName="${filename/.zip/.sha}"
# create/update the file checksum
echo "$fileHash" > "$hashFileName"
# shop file name
shopFileName="${filename/.zip/.info}"
# pull the info file from zip for shop
unzip -q "$filename" info.vdm
mv info.vdm "$shopFileName"
# load the values for json
jq_args+=( --arg "key$nr" "$filename" )
jq_args+=( --arg "value$nr" "$fileHash" )
# build query for jq
jq_query+=" | .[\$key${nr}]=\$value${nr}"
#next
nr=$((nr+1))
done
# run the generated command with jq
jq "${jq_args[@]}" "$jq_query" <<<'{}' > checksum.json
# done with hash
echo "done"