Build Number 4 Gradlew Apps

buildnumber.sh

#!/bin/bash

setProperty(){
  awk -v pat="^$1=" -v value="$1=$2" '{ if ($0 ~ pat) print value; else print $0; }' $3 > $3.tmp
  mv $3.tmp $3
}


DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

if ["$1" == ""]
then
    echo "Use: bash buildnumber.sh to/app/path"
fi

echo "Checking for git repo in  $DIR/$1/.git"

if [ -e "$1/.git" ]
then
    echo Found this to be a git repo.

    cd $DIR/$1

    # Get a svn-like revision number that keeps increasing with every commit.
    REV=$(git log --pretty=format:'' | wc -l | sed 's/[ \t]//g')
    echo "git rev: $REV"

    # Getting the current branch
    GITBRANCH=$(git branch | grep "*" | sed -e 's/^* //')
    echo "Git Branch: $GITBRANCH"

    # full build hash
    GITHASH=$(git rev-parse HEAD)
    echo "Git Hash: $GITHASH"

    # commonly used short hash
    GITHASHSHORT=$(git rev-parse --short HEAD)
    echo "Git Hash Short: $GITHASHSHORT"

    NEAREST=$(git describe --abbrev=0 --match "v[0-9]*")
    echo "Nearest release Tag: \"$NEAREST\""

    MAJOR="0"
    MINOR="0"
    PATCH="0"
    if [ "$NEAREST" == "" ]
    then
        echo "No release tag found!"
    else
        MAJOR=$(echo $NEAREST | cut -d "." -f 2)
        if [ $MAJOR == "" ]
        then
            MAJOR="0"
        else
            MINOR=$(echo $NEAREST | cut -d "." -f 3)
            if [ $MINOR == "" ]
            then
                MINOR="0"
            else
                PATCH=$(echo $NEAREST | cut -d "." -f 4)
                if [ $PATCH == "" ]
                then
                    PATCH="0"
                fi
            fi
        fi
    fi


    echo "Getting Date"
    DATE=$(date +%Y%m%d)

    echo "Version String: $MAJOR.$MINOR.$PATCH [$REV] $DATE"

    echo "Writing on gradle.propeties"

    FILE="gradle.properties"
    
    setProperty "VERSION" $MAJOR.$MINOR.$PATCH $FILE
    setProperty "BUILD" $REV $FILE
    setProperty "DATE" $DATE $FILE

    echo "Thanks!"
fi