build_release

#!/bin/sh

usage() {
  echo "Usage: $0 <tag> [<tag_output>]"
	printf "\t%12s\t%s\n" "<tag>" "Tag at github.com/habari/system."
	printf "\t%12s\t%s\n" "<tag_output>" "Tag to use in the filename, if not <tag>."
	echo "Example: build_release v0.9 0.9"
	exit 1
}

# if we have too few or too many arguments, show usage
if ( [ $# -eq 0 ] || [ $# -gt 2 ] )
then
	usage
fi

# by default, use the git tag parameter as the name of the zip file, but if a specific tag_output parameter was specified, use that instead
zip_tag=$1
if [ -n "$2" ] 
then
	zip_tag=$2
fi

echo "Preparing tag $1 for release as habari-$zip_tag"

# the location we export to
EXPORT="/home/habari/public_html/habariproject.org/private/dist_export/habari-$zip_tag"

# the name of the destination directory for file and md5
TARGET="/home/habari/public_html/habariproject.org/public/dist/"

# the git location to export
GIT="https://github.com/habari/habari.git"

# remove the existing export copy, in case it already exists
/usr/bin/env rm -Rfd "$EXPORT"

# clone a fresh copy
/usr/bin/env git clone "$GIT" "$EXPORT"

# move to the export directory so we have a decent path
cd "$EXPORT"

# update submodules
/usr/bin/env git submodule update --init --recursive

# remove the .git directory so we just have the files, not a working git repo - git archive does not support submodules, so we can't use it
/usr/bin/env find . -name .git -print0 | xargs -0 rm -rf

# build the name of the zip file, based on whichever tag we're using
release_zip="$TARGET/habari-$zip_tag.zip"
# and delete it, just in case it already exists
[ -f "$release_zip" ] && /usr/bin/env rm -Rfd "$release_zip"

# before we zip, we want to move up one more directory - this gets us a directory named something like "habari_0.9" in the final export
cd ../

# zip up only the directory we actually exported to (in case there are others in this directory) to its new home
/usr/bin/env zip -9 -r -q "$release_zip" "habari-$zip_tag"

# build the name of the md5 file, based on whichever tag we're using
release_md5="$TARGET/habari-$zip_tag.md5"
# remove the existing md5 file if it's there
[ -f "$release_md5" ] && /usr/bin/env rm -Rfd "$release_md5"

# move into the destination directory so we get a decent path in the md5
cd "$TARGET"

# create an md5 using just the name of the zip file, rather than the whole page we already built
/usr/bin/env md5sum "habari-$zip_tag.zip" > "habari-$zip_tag.md5"

echo "Tag $1 exported for release at $release_zip"