Quickly build .gitignoreWorks with https://github.com/github/gitignore

gitignores.bash

#!/bin/bash

default_source=$HOME/.local/share

IFS=$'\n'

if [[ $# == 0 ]]
then
    echo "Usage Example : "
    echo " mkdir MyNewProject"
    echo " cd MyNewProject"
    echo " git init"
    echo " gitignore.sh Java Maven Intellij Eclipse Emacs vim OSX Linux Windows >> .gitignore"
    echo " git add .gitignore; git commit -m \"Import gitignores\""
    exit 1
fi

if [[ -z "$GITIGNORES" ]]
then
    echo 'GITIGNORES not defined, defaulting to ' $default_source/gitignore >&2
    source="$default_source/gitignore"
else
    source="$GITIGNORES"
fi

if [[ ! -e "$source" ]]
then
    echo "$source not found... please set GITIGNORES to a directory containing gitignore files."
    echo "These files should end in .gitignore, and can be in subfolders."
    echo "Recommend you just do \"cd ${default_source}; git clone git@github.com:github/gitignore.git\""
    exit 1
fi

for arg in "$@"
do
    for file in $( find "$source" -iname "$arg".gitignore )
    do
        filedir=$(dirname "$file")
        repo_url=$(cd "$filedir"; git config --get remote.origin.url)
        echo
        echo "### $arg $repo_url"
        echo
        cat "$file"
        echo
    done
done