incremental deploy for salesforce metadata

incremental_deploy.sh

#!/bin/bash

# TODO don't do master, do wherever the PR is going to?
# TODO validate that there were diffs?

# needed or diff will not be based on our current git
Echo "********** RESETTING GIT FOR CLEAN DIFF **********"
git reset --hard 

ZIPFILE=diff-archive.zip

if test -f $ZIPFILE ; then
    echo "********** REMOVING OLD ARCHIVE **********"
    rm $ZIPFILE
fi

# master deploys only since last merge

BRANCH=$(git rev-parse --abbrev-ref HEAD)

DIFF_TO="HEAD^"

# if you're not on master, then you want to test a diff from here to master, not the last commit
if [[ $BRANCH != "master" ]] ; then
    DIFF_TO="..master"
fi

FILES_TO_DEPLOY=$(git diff --name-only $DIFF_TO src/)

FILES_TO_ADD=()

for f in $FILES_TO_DEPLOY ; do 
    if !(test -f $f) ; then
        # skipping file that doesn't exist, we most likely deleted it
        continue
    fi

    FILES_TO_ADD+=($f)
    if [[ $f == *"-meta.xml"* ]]; then
        f_without_meta=${f/'-meta.xml'/''}
        if test -f $f_without_meta ; then
            FILES_TO_ADD+=($f_without_meta)
        fi
    else
        f_with_meta="$f-meta.xml"
        if test -f $f_with_meta ; then
            FILES_TO_ADD+=($f_with_meta)
        fi
    fi
done

echo "********** FILES TO DEPLOY **********"
printf "%s\n" "${FILES_TO_ADD[@]}" | sort -u
FILES_TO_DEPLOY=$(printf "%s\n" "${FILES_TO_ADD[@]}" | sort -u)

echo "********** CREATING ARCHIVE ZIP **********"
git archive -o $ZIPFILE HEAD $FILES_TO_DEPLOY

echo "********** RESETTING SRC FOLDER **********"
rm -fr src/
mkdir src
# we need the package.xml file with api version
git checkout src/package.xml
unzip $ZIPFILE

echo "********** TESTING **********"
ant test

# TODO ant deploy?