dblevins/newcontributors.sh

## newcontributors.sh
#!/bin/bash

# Create a tmp place to work
TMP=/tmp/tomee-$RANDOM
trap "rm -rf $TMP" SIGINT SIGTERM SIGHUP SIGKILL SIGSTOP
mkdir $TMP && cd $TMP

# clone the repo
git clone git@github.com:apache/tomee.git &&
    cd tomee

# Log who is in the commit history every day in november and december
for date in 2019-0{1,2}-0{1..9} 2019-0{1,2}-{10..31}; do
    git checkout `git rev-list -n 1 --before="$date 23:59" master` &> /dev/null
    git log | grep '^Author' | sort | uniq > "first-$date"
done

# collect all those files.  they will naturally be sorted
contributors=( $(ls first-2019-0*) )

# compare the list of committers in the current file with the previous file
for ((i=0; i<${#contributors[@]}; i++)) {
	[[ $i == 0 ]] && continue;
	diff "${contributors[$(($i-1))]}" "${contributors[$i]}" | grep '^>' | perl -pe "s,^>,${contributors[$i]},"
}
	#!/bin/bash

	# Create a tmp place to work
	TMP=/tmp/tomee-$RANDOM
	trap "rm -rf $TMP" SIGINT SIGTERM SIGHUP SIGKILL SIGSTOP
	mkdir $TMP && cd $TMP

	# clone the repo
	git clone git@github.com:apache/tomee.git &&
	cd tomee

	# Log who is in the commit history every day in november and december
	for date in 2019-0{1,2}-0{1..9} 2019-0{1,2}-{10..31}; do
	git checkout `git rev-list -n 1 --before="$date 23:59" master` &> /dev/null
	git log \| grep '^Author' \| sort \| uniq > "first-$date"
	done

	# collect all those files. they will naturally be sorted
	contributors=( $(ls first-2019-0*) )

	# compare the list of committers in the current file with the previous file
	for ((i=0; i<${#contributors[@]}; i++)) {
	[[ $i == 0 ]] && continue;
	diff "${contributors[$(($i-1))]}" "${contributors[$i]}" \| grep '^>' \| perl -pe "s,^>,${contributors[$i]},"
	}