changelog.sh

#!/bin/bash


#************************************************#
#                                                #
#                 Nebula Kernel                  #
#              changelog generator               #
#            modded by @anarkia1976              #
#            written by @fusionjack              #
#                                                #
#************************************************#

# colorize and add text parameters
grn=$(tput setaf 2)             # green
yellow=$(tput setaf 3)             # yellow
bldgrn=${txtbld}$(tput setaf 2) # bold green
red=$(tput setaf 1)             # red
txtbld=$(tput bold)             # bold
bldblu=${txtbld}$(tput setaf 4) # bold blue
blu=$(tput setaf 4)             # blue
txtrst=$(tput sgr0)             # reset
blink=$(tput blink)             # blink

# variables
rdir=`pwd`
CURRENT_DATE=`date +%Y%m%d`
LAST_DATE=`date +%s -d "15 day ago"`
CUSTOM_DATE="$1"

clear

echo -e "${bldgrn}"
echo "                                                    ";
echo "                                                    ";
echo -e "${txtrst}"

# generate changelog
echo -e "${blink}${bldblu} *** Generating Changelog ${txtrst}"; echo "";
if [ -z "$CUSTOM_DATE" ]; then
    if [ -z "$LAST_DATE" ]; then
        WORKING_DATE=`date +%s "1 day ago"`
    else
        WORKING_DATE=${LAST_DATE}
    fi
else
    WORKING_DATE=${CUSTOM_DATE}
fi

CHANGELOG=$rdir/changelog_${CURRENT_DATE}.txt

# remove existing changelog
file="$CHANGELOG"
if [ -f "$file" ]; then
    echo -e "${txtbld}${red} *** Removing Old Changelog${txtrst}"; echo"";
    rm $CHANGELOG;
fi

# find the directories to log
find $rdir -name .git | sed 's/\/.git//g' | sed 'N;$!P;$!D;$d' | while read line
do
    cd $line
    # test to see if the repo needs to have a changelog written.
    log=$((git log --pretty="* %s (%an) [%h]" --no-merges --since=$WORKING_DATE --date-order) | sed 's/\.git//')
    project=$(git remote -v | grep -i origin | head -n1 | awk '{print $2}' | sed 's/.*\///' | sed 's/\.git//')
    if [ ! -z "$log" ]; then
        # write the changelog
	echo -e "${txtbld}${yellow} *** Verify Changelog Status ${txtrst}";
	echo -e "${grn}   ----> $project: is Updated ${txtrst}"; echo "";
        echo "" >> $CHANGELOG;
	echo "Project name: $project" >> $CHANGELOG;
        echo "$log" | while read line
        do
		echo "  $line" >> $CHANGELOG
        done
        echo "" >> $CHANGELOG
    fi
done