#!/usr/bin/env bash

# extract current branch name

BRANCH=$(git rev-parse --abbrev-ref HEAD 2>/dev/null)

# get name of the most top folder of current directory, used for the

# output filename

ARCHIVE_NAME=$(basename "$(git rev-parse --show-toplevel)")

if [[ $BRANCH = tags* ]]; then

BRANCH=$(git describe)

echo Building for tag "\"$BRANCH\""

FILENAME=$ARCHIVE_NAME.$BRANCH.zip

else

echo Building archive on branch "\"$BRANCH\""

# get a version string, so archives will not be overwritten when creating

# many of them

VERSION=$(git describe --always --long)

# if not on master append branch name into the filename

if [ "$BRANCH" = "$(git_extra_default_branch)" ]; then

FILENAME=$ARCHIVE_NAME.$VERSION.zip

else

FILENAME=$ARCHIVE_NAME.$VERSION.$BRANCH.zip

fi

fi

# rename invalid chars for the file path

FILENAME=${FILENAME//\//-}

FILENAME=${FILENAME//\\/-}

# combine path and filename

OUTPUT=$PWD/$FILENAME

# building archive

git archive --format zip --output "$OUTPUT" "$BRANCH"

# also display size of the resulting file

echo Saved to \""$FILENAME"\" \("$(du -h "$OUTPUT" | cut -f1)"\)