add ability to use repo templates

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.dockerignore

@@ -0,0 +1,3 @@
+Dockerfile
+*~
+.git/

Dockerfile

@@ -1,14 +1,18 @@
-FROM		znly/protoc:0.3.0
+# builder
+FROM    golang:1.15-alpine as builder
+RUN     apk --no-cache add make git go rsync libc-dev
+RUN     go get -u golang.org/x/tools/cmd/goimports
+RUN     go get -u github.com/gobuffalo/packr/v2/packr2
+COPY    . /go/src/moul.io/protoc-gen-gotemplate
+WORKDIR /go/src/moul.io/protoc-gen-gotemplate
+RUN     packr2
+RUN     go install -a -tags netgo -ldflags '-w -extldflags "-static"' . ./cmd/web-editor
+RUN     ls -la /go/bin
 
-ENV		GOPATH=/go \
+# runtime
-		PATH=/go/bin:${PATH}
+FROM    znly/protoc:0.4.0
-
+COPY    --from=builder  /go/bin/web-editor            /go/bin/
-# Install deps and common tools
+COPY    --from=builder  /go/bin/protoc-gen-gotemplate /go/bin/
-RUN		apk --update add make git go rsync libc-dev \
+ENV     PATH=$PATH:/go/bin
- &&		go get -u golang.org/x/tools/cmd/goimports
+EXPOSE  8080
-
+ENTRYPOINT []
-# Install protoc-gen-gotemplate
-COPY		. /go/src/moul.io/protoc-gen-gotemplate
-WORKDIR		/go/src/moul.io/protoc-gen-gotemplate
-RUN		git remote set-url origin https://github.com/moul/protoc-gen-gotemplate
-RUN		go install . ./cmd/web-editor

Makefile

@@ -1,5 +1,5 @@
 GOPKG ?= moul.io/protoc-gen-gotemplate
-DOCKER_IMAGE ?= moul/golang-repo-template
+DOCKER_IMAGE ?= moul/protoc-gen-gotemplate
 GOBINS ?= . ./cmd/web-editor
 GOLIBS ?= .
 

clean.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"go/parser"
+	"go/token"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func isGenerated(name string) bool {
+	const (
+		genCodeGenerated = "code generated"
+		genDoNotEdit     = "do not edit"
+		genAutoFile      = "autogenerated file"
+	)
+
+	markers := []string{genCodeGenerated, genDoNotEdit, genAutoFile}
+
+	fileset := token.NewFileSet()
+	syntax, err := parser.ParseFile(fileset, name, nil, parser.PackageClauseOnly|parser.ParseComments)
+	if err != nil {
+		return false
+	}
+
+	for _, comment := range syntax.Comments {
+		for _, marker := range markers {
+			if strings.Contains(strings.ToLower(comment.Text()), marker) {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+func cleanDir(dir string) error {
+	return filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if dir == "vendor" {
+			return filepath.SkipDir
+		}
+		if isGenerated(path) {
+			err = os.Remove(path)
+		}
+		return err
+	})
+}

clone.go

@@ -0,0 +1,104 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"go/types"
+	"net/url"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing/filemode"
+	"github.com/go-git/go-git/v5/plumbing/object"
+	"github.com/go-git/go-git/v5/storage/memory"
+)
+
+func clone(srcRepo string, dstDir string) error {
+	if !strings.HasPrefix(srcRepo, "https://") {
+		srcRepo = "https://" + srcRepo
+	}
+
+	u, err := url.Parse(srcRepo)
+	if err != nil {
+		return err
+	}
+
+	var rev string
+	if idx := strings.Index(u.Path, "@"); idx > 0 {
+		rev = u.Path[idx+1:]
+	}
+
+	cloneOpts := &git.CloneOptions{
+		URL: srcRepo,
+		//	Progress: os.Stdout,
+	}
+
+	if len(rev) == 0 {
+		cloneOpts.SingleBranch = true
+		cloneOpts.Depth = 1
+	}
+
+	if err := cloneOpts.Validate(); err != nil {
+		return err
+	}
+
+	repo, err := git.CloneContext(context.Background(), memory.NewStorage(), nil, cloneOpts)
+	if err != nil {
+		return err
+	}
+
+	ref, err := repo.Head()
+	if err != nil {
+		return err
+	}
+
+	commit, err := repo.CommitObject(ref.Hash())
+	if err != nil {
+		return err
+	}
+
+	tree, err := commit.Tree()
+	if err != nil {
+		return err
+	}
+
+	if err := os.MkdirAll(dstDir, os.FileMode(0755)); err != nil {
+		return err
+	}
+
+	if err := cleanDir(dstDir); err != nil {
+		return err
+	}
+
+	err = tree.Files().ForEach(func(file *object.File) error {
+		if file == nil {
+			return types.Error{Msg: "file pointer is empty"}
+		}
+
+		fmode, err := file.Mode.ToOSFileMode()
+		if err != nil {
+			return err
+		}
+
+		switch file.Mode {
+		case filemode.Executable:
+			return writeFile(file, dstDir, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, fmode)
+		case filemode.Dir:
+			return os.MkdirAll(filepath.Join(dstDir, file.Name), fmode)
+		case filemode.Regular:
+			return writeFile(file, dstDir, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, fmode)
+		default:
+			return fmt.Errorf("unsupported filetype %v for %s", file.Mode, file.Name)
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

cmd/web-editor/main.go

@@ -11,6 +11,7 @@ import (
 	"os/exec"
 	"path/filepath"
 
+	packr "github.com/gobuffalo/packr/v2"
 	"github.com/gorilla/handlers"
 	"github.com/gorilla/mux"
 )
@@ -101,7 +102,9 @@ func returnError(w http.ResponseWriter, err error) {
 func main() {
 	r := mux.NewRouter()
 
-	r.Handle("/", http.FileServer(http.Dir("static")))
+	box := packr.New("static", "./static")
+
+	r.Handle("/", http.FileServer(box))
 	r.HandleFunc("/generate", generate)
 	addr := fmt.Sprintf(":%s", os.Getenv("PORT"))
 	if addr == ":" {

cmd/web-editor/static/index.html

@@ -90,7 +90,7 @@
 
     <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
     <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
-    <style>.ace_editor { height: 80%; }</style>
+    <style>.ace_editor { height: 80%; min-height: 500px; }</style>
   </head>
   <body ng-app="pggt">
     <div class="container-fluid" ng-controller="PggtCtrl">

copy.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/go-git/go-git/v5/plumbing/object"
+)
+
+func writeFile(file *object.File, dir string, flag int, mode os.FileMode) error {
+	path := filepath.Join(dir, file.Name)
+
+	if err := os.MkdirAll(filepath.Dir(path), os.FileMode(0755)); err != nil {
+		return err
+	}
+
+	w, err := os.OpenFile(path, flag, mode)
+	if err != nil {
+		return err
+	}
+
+	defer func() {
+		if err := w.Close(); err != nil {
+			log.Printf("Err: failed to close file: %v", err)
+		}
+	}()
+
+	r, err := file.Reader()
+	if err != nil {
+		return err
+	}
+
+	defer func() {
+		if err := r.Close(); err != nil {
+			log.Printf("Err: failed to close file: %v", err)
+		}
+	}()
+
+	if _, err = io.Copy(w, r); err != nil {
+		return err
+	}
+
+	return nil
+}

go.mod

@@ -4,17 +4,16 @@ require (
 	github.com/Masterminds/goutils v1.1.0 // indirect
 	github.com/Masterminds/semver v1.5.0 // indirect
 	github.com/Masterminds/sprig v2.22.0+incompatible
+	github.com/go-git/go-git/v5 v5.2.0
+	github.com/gobuffalo/packr/v2 v2.8.0
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1 // indirect
 	github.com/gorilla/handlers v1.4.2
 	github.com/gorilla/mux v1.7.3
 	github.com/grpc-ecosystem/grpc-gateway v1.12.1
 	github.com/huandu/xstrings v1.3.0
-	github.com/imdario/mergo v0.3.8 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.1 // indirect
-	github.com/stretchr/testify v1.3.0 // indirect
-	golang.org/x/crypto v0.0.0-20200115085410-6d4e4cb37c7d // indirect
 	google.golang.org/genproto v0.0.0-20200113173426-e1de0a7b01eb
 	gopkg.in/yaml.v2 v2.2.7 // indirect
 )

go.sum

@@ -6,68 +6,248 @@ github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3Q
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+golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191002035440-2ec189313ef0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b h1:0mm1VjtFUOIlE1SbDlwjYaDxZVDP2S5ou6y0gSgXHu8=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a h1:GuSPYbZzB5/dcLNCwLQLsg3obCJtX9IJhpXkvY7kzk0=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
+golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527 h1:uYVVQ9WP/Ds2ROhcaGPeIdVq0RIXVLwsHlnvJ+cT1So=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200308013534-11ec41452d41/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -75,11 +255,26 @@ google.golang.org/genproto v0.0.0-20190927181202-20e1ac93f88c/go.mod h1:IbNlFCBr
 google.golang.org/genproto v0.0.0-20200113173426-e1de0a7b01eb h1:EsMpWw4S8DM2QYm5idfmmWsv2N57GWi2tx3p96Gpja4=
 google.golang.org/genproto v0.0.0-20200113173426-e1de0a7b01eb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
+google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3 h1:fvjTMHxHEw/mxHbtzPi3JCcKXQRAnQTBRo6YCJSVHKI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

helpers/helpers.go

@@ -85,6 +85,9 @@ var ProtoHelpersFuncMap = template.FuncMap{
 
 		return strings.ToLower(s[:1]) + s[1:]
 	},
+	"upperCase": func(s string) string {
+		return strings.ToUpper(s)
+	},
 	"kebabCase": func(s string) string {
 		return strings.Replace(xstrings.ToSnakeCase(s), "_", "-", -1)
 	},
@@ -163,6 +166,10 @@ var ProtoHelpersFuncMap = template.FuncMap{
 	"getStore":                     getStore,
 	"goPkg":                        goPkg,
 	"goPkgLastElement":             goPkgLastElement,
+	"cppType":                      cppType,
+	"cppTypeWithPackage":           cppTypeWithPackage,
+	"rustType":                     rustType,
+	"rustTypeWithPackage":          rustTypeWithPackage,
 }
 
 var pathMap map[interface{}]*descriptor.SourceCodeInfo_Location
@@ -909,6 +916,108 @@ func haskellType(pkg string, f *descriptor.FieldDescriptorProto) string {
 	}
 }
 
+// Warning does not handle message embedded like goTypeWithGoPackage does.
+func rustTypeWithPackage(f *descriptor.FieldDescriptorProto) string {
+	pkg := ""
+	if *f.Type == descriptor.FieldDescriptorProto_TYPE_MESSAGE || *f.Type == descriptor.FieldDescriptorProto_TYPE_ENUM {
+		if isTimestampPackage(*f.TypeName) {
+			pkg = "timestamp"
+		} else {
+			pkg = getPackageTypeName(*f.TypeName)
+		}
+	}
+	return rustType(pkg, f)
+}
+
+func rustType(pkg string, f *descriptor.FieldDescriptorProto) string {
+	isRepeat := *f.Label == descriptor.FieldDescriptorProto_LABEL_REPEATED
+	typeName := "???"
+	switch *f.Type {
+	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
+		typeName = "f64"
+	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
+		typeName = "f32"
+	case descriptor.FieldDescriptorProto_TYPE_INT64:
+		typeName = "i64"
+	case descriptor.FieldDescriptorProto_TYPE_UINT64:
+		typeName = "u64"
+	case descriptor.FieldDescriptorProto_TYPE_INT32:
+		typeName = "i32"
+	case descriptor.FieldDescriptorProto_TYPE_UINT32:
+		typeName = "u32"
+	case descriptor.FieldDescriptorProto_TYPE_BOOL:
+		typeName = "bool"
+	case descriptor.FieldDescriptorProto_TYPE_STRING:
+		typeName = "String"
+	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
+		if pkg != "" {
+			pkg = pkg + "."
+		}
+		typeName = fmt.Sprintf("%s%s", pkg, shortType(*f.TypeName))
+	case descriptor.FieldDescriptorProto_TYPE_BYTES:
+		typeName = "Vec<u8>"
+	case descriptor.FieldDescriptorProto_TYPE_ENUM:
+		typeName = fmt.Sprintf("%s%s", pkg, shortType(*f.TypeName))
+	default:
+		break
+	}
+	if isRepeat {
+		return "Vec<" + typeName + ">"
+	}
+	return typeName
+}
+
+// Warning does not handle message embedded like goTypeWithGoPackage does.
+func cppTypeWithPackage(f *descriptor.FieldDescriptorProto) string {
+	pkg := ""
+	if *f.Type == descriptor.FieldDescriptorProto_TYPE_MESSAGE || *f.Type == descriptor.FieldDescriptorProto_TYPE_ENUM {
+		if isTimestampPackage(*f.TypeName) {
+			pkg = "timestamp"
+		} else {
+			pkg = getPackageTypeName(*f.TypeName)
+		}
+	}
+	return cppType(pkg, f)
+}
+
+func cppType(pkg string, f *descriptor.FieldDescriptorProto) string {
+	isRepeat := *f.Label == descriptor.FieldDescriptorProto_LABEL_REPEATED
+	typeName := "???"
+	switch *f.Type {
+	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
+		typeName = "double"
+	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
+		typeName = "float"
+	case descriptor.FieldDescriptorProto_TYPE_INT64:
+		typeName = "int64_t"
+	case descriptor.FieldDescriptorProto_TYPE_UINT64:
+		typeName = "uint64_t"
+	case descriptor.FieldDescriptorProto_TYPE_INT32:
+		typeName = "int32_t"
+	case descriptor.FieldDescriptorProto_TYPE_UINT32:
+		typeName = "uint32_t"
+	case descriptor.FieldDescriptorProto_TYPE_BOOL:
+		typeName = "bool"
+	case descriptor.FieldDescriptorProto_TYPE_STRING:
+		typeName = "std::string"
+	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
+		if pkg != "" {
+			pkg = pkg + "."
+		}
+		typeName = fmt.Sprintf("%s%s", pkg, shortType(*f.TypeName))
+	case descriptor.FieldDescriptorProto_TYPE_BYTES:
+		typeName = "std::vector<uint8_t>"
+	case descriptor.FieldDescriptorProto_TYPE_ENUM:
+		typeName = fmt.Sprintf("%s%s", pkg, shortType(*f.TypeName))
+	default:
+		break
+	}
+	if isRepeat {
+		return "std::vector<" + typeName + ">"
+	}
+	return typeName
+}
+
 func goTypeWithEmbedded(pkg string, f *descriptor.FieldDescriptorProto, p *descriptor.FileDescriptorProto) string {
 	if pkg != "" {
 		pkg = pkg + "."

main.go

@@ -3,6 +3,7 @@ package main // import "moul.io/protoc-gen-gotemplate"
 import (
 	"io/ioutil"
 	"log"
+	"net/url"
 	"os"
 	"strings"
 
@@ -49,14 +50,11 @@ func main() {
 		all               = false
 		singlePackageMode = false
 		fileMode          = false
+		templateRepo      = ""
 	)
 	if parameter := g.Request.GetParameter(); parameter != "" {
 		for _, param := range strings.Split(parameter, ",") {
 			parts := strings.Split(param, "=")
-			if len(parts) != 2 {
-				log.Printf("Err: invalid parameter: %q", param)
-				continue
-			}
 			switch parts[0] {
 			case "template_dir":
 				templateDir = parts[1]
@@ -94,6 +92,12 @@ func main() {
 				default:
 					log.Printf("Err: invalid value for file-mode: %q", parts[1])
 				}
+			case "template_repo":
+				_, err := url.Parse(parts[1])
+				if err != nil {
+					log.Printf("Err: invalid value for template_repo: %q", parts[1])
+				}
+				templateRepo = parts[1]
 			default:
 				log.Printf("Err: unknown parameter: %q", param)
 			}
@@ -118,6 +122,21 @@ func main() {
 		}
 	}
 
+	if templateRepo != "" {
+		if templateDir, err = ioutil.TempDir("", "gen-*"); err != nil {
+			g.Error(err, "failed to create tmp dir")
+		}
+		defer func() {
+			if err := os.RemoveAll(templateDir); err != nil {
+				g.Error(err, "failed to remove tmp dir")
+			}
+		}()
+
+		if err = clone(templateRepo, templateDir); err != nil {
+			g.Error(err, "failed to clone repo")
+		}
+	}
+
 	// Generate the encoders
 	for _, file := range g.Request.GetProtoFile() {
 		if all {