fix: fix typo in tarball url replacing

Author: stackdumper

proxy/cache.go

@@ -5,6 +5,7 @@ import (
 	"io/ioutil"
 	"log"
 	"net/http"
+	"regexp"
 	"strings"
 )
 
@@ -53,9 +54,9 @@ func (proxy Proxy) GetCachedPath(options Options, path string, request *http.Req
 
 		pkg = string(body)
 
-		// // TODO: avoid calling MustCompile every time
-		// // find "dist": "https?://.*/ and replace to "dist": "{localurl}/
-		// pkg = regexp.MustCompile(`(?U)"tarball":"https?://.*/`).ReplaceAllString(string(body), `"dist": "http://localhost:8080/`)
+		// TODO: avoid calling MustCompile every time
+		// find "dist": "https?://.*/ and replace to "dist": "{localurl}/
+		pkg = regexp.MustCompile(`(?U)"tarball":"https?://.*/`).ReplaceAllString(string(body), `"tarball": "http://`+request.Host+"/")
 
 		// save to redis
 		err = proxy.Database.Set(key, pkg, options.DatabaseExpiration)

readme.md

@@ -153,12 +153,12 @@ Macbook Pro 15″ 2017, Intel Core i7-7700HQ. Note `GOMAXPROCS=1`.
 $ go-wrk -c 100 -d 10 http://localhost:8080/ascii
 Running 10s test @ http://localhost:8080/ascii
   100 goroutine(s) running concurrently
-84216 requests in 10.000196326s, 535.30MB read
-Requests/sec:		8421.43
-Transfer/sec:		53.53MB
-Avg Req Time:		11.874461ms
-Fastest Request:	2.213324ms
-Slowest Request:	745.874068ms
+120227 requests in 9.996788553s, 136.21MB read
+Requests/sec:		12026.56
+Transfer/sec:		13.63MB
+Avg Req Time:		8.314928ms
+Fastest Request:	1.157793ms
+Slowest Request:	782.917402ms
 Number of Errors:	0
 ```