generate_version

#!/bin/bash
SCRIPT_ABS_FILENAME=`LC_ALL=en_US.ISO8859-1 perl -e 'use Cwd "abs_path";print abs_path(shift)' "${BASH_SOURCE[0]}"`
SCRIPT_DIR=`dirname "$SCRIPT_ABS_FILENAME"`

cd "$SCRIPT_DIR"
BootloaderChooser_revision=$(git describe --tags --abbrev=0)
BootloaderChooser_build_date=$(date '+%Y-%m-%d %H:%M:%S')
#echo "#define FIRMWARE_VERSION \"2.31\"" > Version.h

echo "#define FIRMWARE_BUILDDATE \"${BootloaderChooser_build_date}\"" > Version.h
echo "#define FIRMWARE_REVISION \"${BootloaderChooser_revision}\""   >> Version.h

sha1="(github unknown)"
if [[ -d .git ]]; then
  sha1="($(git rev-parse --abbrev-ref HEAD), commit $(git rev-parse --short HEAD))"
fi
echo "#define REVISION_STR \"BootloaderChooser revision: ${BootloaderChooser_revision} $sha1\"" >> Version.h

rev_date=$(git show -s --format=%ci $(git rev-parse HEAD))
echo "#define REVISION_DATE \"${rev_date}\"" >> Version.h
COMMIT_HASH="$(git rev-parse HEAD)"
echo "#define COMMIT_HASH \"$COMMIT_HASH\"" >> Version.h
#build_id_date="$(date +%Y%m%d%H%M%S)"
build_id_date="$(git show -s --format=%cd --date=format:%Y%m%d%H%M%S)"
number_of_commit="$(git rev-list tags/$(git describe --tags --abbrev=0)..HEAD --count)"
if [ $number_of_commit -gt 0 ]
then
  build_id="$build_id_date"-"${COMMIT_HASH::7}"
else
  build_id="$build_id_date"-"${COMMIT_HASH::7}"-"$BootloaderChooser_revision"
fi
if [[ -n $(git status -s) ]]
then
  build_id="$build_id"-dirty
fi
echo "#define BUILD_ID \"$build_id\"" >> Version.h