ipgo

#!/bin/bash

export IPFS_GATEWAY="${IPFS_GATEWAY:-http://127.0.0.1:8080}"

CACHE_DIR="$(go env GOPATH)/pkg/mod/cache"

basepath() {
    echo "${1##${CACHE_DIR}/download/}"
}

case "$1" in
    ipfs-lock)
        export GO111MODULE=on

        temp="$(mktemp -d "$CACHE_DIR/.tmpXXXXXXXXX")"
        trap 'rm -rf "$temp"' 0
        go mod download -json > "$temp/info.json"
        jq -r '"VERSION=\(.Version | @sh) INFO=\(.Info | @sh) GOMOD=\(.GoMod | @sh) ZIP=\(.Zip | @sh)"' < "$temp/info.json" \
            | while read line; do
            eval "$line"
            echo $INFO

            base="$(dirname "${temp}/bundle/$(basepath "$INFO")")"
            mkdir -p "$base"
            ln -t "$base" "$INFO" "$GOMOD" "$ZIP"
            echo "$VERSION" > "$base/list"
        done
        HASH="$(ipfs add -Qr "$temp/bundle")"
        echo "/ipfs/$HASH" > deps.ipfs
        ;;
    *)
        if [[ -e "deps.ipfs" ]]; then
            path="$(< deps.ipfs)"
            export GOPROXY="${IPFS_GATEWAY}$path"
            export GO111MODULE=on
        fi
        exec go "${@}"
esac