Cordova/Phonegap - bump version in config.xml as a pre-commit hook

pre-commit

!/bin/sh

# post-commit hook that updates version using semver.
# this one stores versions in the form 1.0.abc123 where the last component is the (short) commit

SEMVER=`which semver`
CONFIG='config.xml'

if [ -s $SEMVER ]; then
    # replace last part of the version by commit id.
    commit_head=`git rev-parse --short HEAD`
    semver special $commit_head
    new_version=`semver tag`
    if [ -e $CONFIG ]; then
        # sed to replace version in config.xml
        sed -i '' -e"s/\(widget.*version=\"[0-9]\.[0-9]\.\)[^\"]*\"/\1$commit_head\"/" config.xml
        git add $CONFIG
        echo "Updated $CONFIG with version $new_version"
        exit 0
    else
        echo 'Could not find config.xml'
        exit 1
    fi
else
    echo "semver is not installed, could not update version"
    exit 1
fi