#!/bin/sh
#-----------------------------------------------------------------------
# Change the version number of the library. This changes the number in
# every file that it is known to appear in.
#
# Usage:
#  update_version major minor micro
#-----------------------------------------------------------------------

usage="$0 major minor micro"

if [ $# -ne 3 ]; then
  echo $usage
  exit 1
fi

# Get the three components of the version number.

major="$1"
minor="$2"
micro="$3"

# Everything will need to be reconfigured after this change, so
# discard any existing configuration.

make distclean 2>/dev/null

# Check that the version components are all positive integers.

for c in $major $minor $micro; do
  if echo "$c" | awk '{exit $1 ~ /^[0-9]+$/}'; then
    echo 'Version number components must all be positive integers.'
    exit 1
  fi
done

#
# Update the version number in the configure.in script.
#
ed -s configure.in << EOF
/^MAJOR_VER=\"[0-9][0-9]*\"/ s/^.*$/MAJOR_VER=\"$major\"/
/^MINOR_VER=\"[0-9][0-9]*\"/ s/^.*$/MINOR_VER=\"$minor\"/
/^MICRO_VER=\"[0-9][0-9]*\"/ s/^.*$/MICRO_VER=\"$micro\"/
w
q
EOF

if which autoconf 1>/dev/null 2>&1; then
  autoconf
else
  echo 'Note that autoconf needs to be run.'
fi

#
# Update the version number in the libtecla header file script.
#
ed -s libtecla.h << EOF
/^#define TECLA_MAJOR_VER [0-9][0-9]*/ s/^.*$/#define TECLA_MAJOR_VER $major/
/^#define TECLA_MINOR_VER [0-9][0-9]*/ s/^.*$/#define TECLA_MINOR_VER $minor/
/^#define TECLA_MICRO_VER [0-9][0-9]*/ s/^.*$/#define TECLA_MICRO_VER $micro/
w
q
EOF

#
# Update the version number in the README file.
#
ed -s README << EOF
/version [0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]* / s/version [0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*/version $major.$minor.$micro/
w
q
EOF

#
# Update the version number in the html index file.
#
ed -s html/index.html << EOF
/version [0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\./ s/version [0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*/version $major.$minor.$micro/g
/libtecla-[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\./ s/libtecla-[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\./libtecla-$major.$minor.$micro./g
w
q
EOF