Imports all Go projects from your GitHub account into a GOPATH workspace

gh-gopath

#!/bin/bash

# Rafal Jeczalik <[email protected]>
# https://gist.github.com/rjeczalik/db886c79049d83f318e2

type curl 1>/dev/null || exit
type jq 1>/dev/null || exit

die_usage() {
	if [ ! -z "${*}" ]; then
		echo "${*}" 1>&2
		echo
	fi
	echo "usage: gh-gopath USER NEW_GOPATH" 1>&2
	exit 1
}

USR=${1}
WRK=${2}

[ -z "$USR" ] && die_usage "user name cannot be empty"
[ -z "$WRK" ] && die_usage "new \$GOPATH cannot be empty"
[ -d "$WRK" ] && die_usage "path \"${2}\" already exists"

CURL='curl -s'

if [ ! -z "$GITHUB_TOKEN" ]; then
	CURL="$CURL -u $GITHUB_TOKEN:x-oauth-basic"
fi

$CURL "https://api.github.com/user" | jq '.message' 2>/dev/null | tr -d \" | grep 'API rate limit exceeded' 1>&2 &&
echo && echo "HINT: export GITHUB_TOKEN with your access token (Settings -> Applications -> Personal access tokens)" && exit

git init "$WRK" >/dev/null; cd "$WRK"

look_upstream() {
	$CURL "https://api.github.com/search/repositories?q=${1#*/}&language=Go" | jq ".items | .[] | if (.name == \"${1#*/}\" and .fork == false) then .full_name else empty end" | tr -d \" |
		while read REPO; do
			N=$(( $($CURL "https://api.github.com/repos/$REPO" | jq '.forks_count') / 100 + 1))
			for ((i=0; i<$N; i++)); do
				UPSTREAM=$($CURL "https://api.github.com/repos/$REPO/forks?per_page=100&page=$i" | jq ".[] | if .full_name == \"$1\" then \"$REPO\" else empty end" | tr -d \")
				if [ ! -z "$UPSTREAM" ]; then
					echo $UPSTREAM; return
				fi
			done
		done
}

$CURL "https://api.github.com/users/$USR/repos" | jq '.[] | if .language == "Go" then {full_name, fork} else empty end | if .fork then .full_name+" 1" else .full_name+" 0" end' | tr -d \" |
	while read ORIGIN FORK; do
		[email protected]:$ORIGIN.git
		SRC=src/github.com/$ORIGIN
		if [ $FORK -eq 1 ]; then
			UPSTREAM=$(look_upstream "$ORIGIN")
			if [ ! -z "${UPSTREAM}" ]; then
				SRC=src/github.com/$UPSTREAM
			else
				echo "# failed to find upstream for $ORIGIN" 1>&2
				continue
			fi
		fi
		if git submodule add $REMOTE $SRC &>/dev/null; then
			echo -e "$ORIGIN\t->\t\$GOPATH/$SRC"
			
		else
			echo "# failed to clone [email protected]:$ORIGIN.git" 1>&2
		fi
	done

~ $ brew install jq
~ $ wget https://gist.githubusercontent.com/rjeczalik/db886c79049d83f318e2/raw/0359178d50d068d5a2fff77c0d6746ee85f425fd/gh-gopath -O ~/bin/gh-gopath
~ $ chmod +x ~/bin/gh-gopath
~ $ gh-gopath rjeczalik ~/gopath