update for 2018

Author: Asim Aslam

README.md

@@ -1,44 +1,50 @@
-Git-Http-Backend.Go - Git Smart-HTTP Server Handler
-======================================================
+# Git HTTP Backend
 
 This is a Go based implementation of Grack (a Rack application), which aimed 
 to replace the builtin git-http-backed CGI handler distributed with C Git. 
 Grack was written to allow far more webservers to handle Git smart http 
 requests. The aim of this project is to improve Git smart http performance by 
 utilising the power of Go.
 
-Dependencies
-========================
-* Go - http://golang.org
-* Git >= 1.7
-
-Quick Start
-========================
-	$ (edit git-http-backend.go to set GitBinPath and ProjectRoot)
-	$ go run git-http-backend.go
-	$ git clone http://127.0.0.1:8080/asim/git-http-backend.git
-
-License
-========================
-	(The MIT License)
-
-	Copyright (c) 2013 Asim Aslam <[email protected]>
-
-	Permission is hereby granted, free of charge, to any person obtaining
-	a copy of this software and associated documentation files (the
-	'Software'), to deal in the Software without restriction, including
-	without limitation the rights to use, copy, modify, merge, publish,
-	distribute, sublicense, and/or sell copies of the Software, and to
-	permit persons to whom the Software is furnished to do so, subject to
-	the following conditions:
-
-	The above copyright notice and this permission notice shall be
-	included in all copies or substantial portions of the Software.
-
-	THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
-	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-	IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-	CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-	TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-	SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+## Dependencies
+
+- Git >= 1.7
+
+## Install
+
+```
+go get github.com/asim/git-http-backend
+```
+
+## Usage
+
+```
+git-http-backend --project_root=/tmp --git_bin_path=/usr/bin/git
+```
+
+## License
+
+```
+(The MIT License)
+
+Copyright (c) 2013 Asim Aslam <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+```

git-http-backend.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"compress/gzip"
+	"flag"
 	"fmt"
 	"io"
 	"log"
@@ -57,6 +58,16 @@ var services = map[string]Service{
 	"(.*?)/objects/pack/pack-[0-9a-f]{40}\\.idx$":  Service{"GET", getIdxFile, ""},
 }
 
+var (
+	address = ":8080"
+)
+
+func init() {
+	flag.StringVar(&config.ProjectRoot, "project_root", config.ProjectRoot, "set project root")
+	flag.StringVar(&config.GitBinPath, "git_bin_path", config.GitBinPath, "set git bin path")
+	flag.StringVar(&address, "server_address", address, "set server address")
+}
+
 // Request handling function
 
 func requestHandler() http.HandlerFunc {
@@ -348,6 +359,8 @@ func hdrCacheForever(w http.ResponseWriter) {
 // Main
 
 func main() {
+	flag.Parse()
+
 	http.HandleFunc("/", requestHandler())
 
 	err := http.ListenAndServe(":8080", nil)