bashrc-install

#!/bin/bash

#
# git-bashrc install script
#
# To install:
#
#     $ source bashrc-install [--bashrc | --bash_profile | --profile] [--configure-git | --no-configure-git]
#
# By default, this script will install to ~/.bash_profile, unless it looks like
# ~/.bash_profile sources ~/.bashrc (recommended), in which case we install to ~/.bashrc.
# You may stipulate the exact install location by providing the appropriate flag.
#

# Get the path to the directory this script was ran from
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )

# Presume that we will install to .bash_profile. If it looks like
# .bash_profile is including .bashrc, then we will install to .bashrc.
INSTALL_TO=".bash_profile"
if [ ! -f "$INSTALL_TO" ] || grep -q bashrc "$HOME/$INSTALL_TO" ; then
	INSTALL_TO=".bashrc"
fi

# TODO: Maybe check to see if git defaults have already been changed,
# and default to false if so?
CONFIGURE_GIT=true

# Parse options
while [ $# -gt 0 ] ; do
	option=$1
	shift

	case "$option" in
		--bashrc )
			INSTALL_TO=".bashrc"
			;;

		--bash_profile )
			INSTALL_TO=".bash_profile"
			;;

		--profile )
			INSTALL_TO=".profile"
			;;

		--configure-git )
			CONFIGURE_GIT=true
			;;

		--no-configure-git )
			CONFIGURE_GIT=false
			;;
	esac
done

# Run the configure-git script
if $CONFIGURE_GIT ; then
	source "$SCRIPT_DIR/configure-git"
fi

# If it looks like the git-bashrc file is already being sourced, then exit.
if grep -q git-bashrc "$HOME/$INSTALL_TO" ; then
	echo "git-bashrc configuration file is already sourced from ~/$INSTALL_TO)"
	return
fi

cat <<- __EOF__ >> "$HOME/$INSTALL_TO"

	# Source the git-bashrc configuration file.
	# See: https://github.com/g1a/git-bashrc
	source "$SCRIPT_DIR/git-bashrc"
__EOF__

echo "Installed 'source git-bashrc' in ~/$INSTALL_TO"

# Source fd so that it is available in this shell.
source $SCRIPT_DIR/git-bashrc