#!/bin/bash

set -eu -o pipefail

function print_help {

echo "Usage: git get [--print-path] [--location <dir>] <repository> [<args>]"

echo

echo " git-get clones <repository> into a folder derived from the repository URL"

echo

echo " For example, git get git@github.com:stilvoid/git-get.git"

echo " will be cloned into ~/code/github.com/stilvoid/git-get"

echo

echo " You can override the default base path (~/code) with"

echo " git config --global get.location \"/path/to/your/code\""

echo

echo " --print-path will print out the full path that the repository would be cloned into"

echo " and then exits immediately without cloning"

echo

echo " --location <dir> override the base directory for this clone only"

echo

echo " -h, --help show this help message and exit"

echo

echo " Any other arguments are passed to the \"git clone\" command"

}

# Parse CLI opts

COMMAND="checkout"

REPO=""

EXTRA_ARGS=()

OVERRIDE_LOCATION=""

while [[ $# -gt 0 ]]; do

case $1 in

--print-path)

COMMAND="print"

shift

;;

--location)

if [ $# -lt 2 ] || [ -z "${2:-}" ]; then

echo "Error: --location requires a directory path"

exit 1

fi

OVERRIDE_LOCATION="$2"

shift 2

;;

-h|--help)

print_help

exit

;;

-*)

EXTRA_ARGS+=("$1")

shift

;;

*)

if [ -z "$REPO" ]; then

REPO="$1"

else

EXTRA_ARGS+=("$1")

fi

shift

;;

esac

done

GIT_ARGS="${EXTRA_ARGS[*]+"${EXTRA_ARGS[*]}"}"

if [ -z "$REPO" ] ; then

print_help

exit 1

fi

# Set base directory for git checkout

if [ -n "$OVERRIDE_LOCATION" ]; then

# Use override location, expanding tilde if present

base_dir="${OVERRIDE_LOCATION/#~/$HOME}"

else

# Use configured or default location

base_dir="$(git config get.location || true)"

if [ -z "$base_dir" ]; then

base_dir="$HOME/code"

else

# Replace a tilde with $HOME

base_dir="${base_dir/#~/$HOME}"

fi

fi

# Strip scheme

dir="${REPO#*://}"

# Strip username

dir="${dir#*@}"

# Replace : with /

dir="${dir/://}"

# Remove .git

dir="${dir%.git}"

# Remove trailing slash from base_dir if present

base_dir="${base_dir%/}"

dir="${base_dir}/${dir}"

if [ "$COMMAND" == "print" ]; then

echo "$dir"

exit

fi

echo "Cloning into '$dir'..."

CMD="git clone $GIT_ARGS -- \"$REPO\" \"$dir\""

eval "$CMD"

echo "Successfully cloned to: $dir"