printversions.sh

#!/bin/bash
# This script extracts the meta-information from all the packages.
# It is intended to be run manually when the packages are updated.

# Compute the untared size of a tarball
function UntaredSize
{
  tar tvf $1 | (
    let total=0
    while read a b filesize remainder
    do
      let total+=$filesize
    done

    # Convert the size to the upper kilobyte
    let total+=1023
    let total/=1024

    echo $total
  )
}

# Main program
echo "# The following defines are generated by $0"
echo "# They must be manually copied/pasted into the NSIS source file."
echo "!define THIS_YEAR `date +%Y`"
echo "!define PRODUCT_VERSION `date +%Y%m%d`"
echo "!define PRODUCT_VERSION_DOTS 0.`date +%Y.%-m.%-d`"

for f in packages/*-bin-cygwin-*
do
  set $(echo $f |sed -e 's:^[^/]*/\([^-]*\)-\(.*\)-bin-.*:\1 \2:')
  package=$(echo $1 |tr '[:lower:]' '[:upper:]')

  echo "!define ${package}_ARCHIVE $(basename $f)"
  echo "!define ${package}_VERSION $2"
  echo "!define ${package}_SIZE $(UntaredSize $f)"
done