From c73b90d2866bf376f4c5b5e1997aae43123c15c4 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Thu, 10 Mar 2016 17:05:12 +0100
Subject: curl progress function is now external


diff --git a/rhimport/fetcher.go b/rhimport/fetcher.go
index 6060e98..77f00e2 100644
--- a/rhimport/fetcher.go
+++ b/rhimport/fetcher.go
@@ -41,15 +41,17 @@ import (
 )
 
 type FetcherCurlCBData struct {
+	ctx        *Context
+	res        *Result
 	basepath   string
 	filename   string
 	remotename string
-	*os.File
+	file       *os.File
 }
 
 func (self *FetcherCurlCBData) Cleanup() {
-	if self.File != nil {
-		self.File.Close()
+	if self.file != nil {
+		self.file.Close()
 	}
 }
 
@@ -69,7 +71,7 @@ func curlHeaderCallback(ptr []byte, userdata interface{}) bool {
 
 func curlWriteCallback(ptr []byte, userdata interface{}) bool {
 	data := userdata.(*FetcherCurlCBData)
-	if data.File == nil {
+	if data.file == nil {
 		if data.filename == "" {
 			data.filename = data.basepath + "/" + data.remotename
 		}
@@ -78,15 +80,33 @@ func curlWriteCallback(ptr []byte, userdata interface{}) bool {
 			rhl.Printf("Unable to create file %s: %s", data.filename, err)
 			return false
 		}
-		data.File = fp
+		data.file = fp
 	}
-	if _, err := data.File.Write(ptr); err != nil {
+	if _, err := data.file.Write(ptr); err != nil {
 		rhl.Printf("Unable to write file %s: %s", data.filename, err)
 		return false
 	}
 	return true
 }
 
+func curlProgressCallback(dltotal, dlnow, ultotal, ulnow float64, userdata interface{}) bool {
+	data := userdata.(*FetcherCurlCBData)
+
+	if data.ctx.Cancel != nil && len(data.ctx.Cancel) > 0 {
+		rhl.Printf("downloading '%s' got canceled", data.ctx.SourceUri)
+		data.res.ResponseCode = http.StatusNoContent
+		data.res.ErrorString = "canceled"
+		return false
+	}
+
+	if data.ctx.ProgressCallBack != nil {
+		if keep := data.ctx.ProgressCallBack(1, "downloading", dlnow/dltotal, data.ctx.ProgressCallBackData); !keep {
+			data.ctx.ProgressCallBack = nil
+		}
+	}
+	return true
+}
+
 func fetchFileCurl(ctx *Context, res *Result, uri *url.URL) (err error) {
 	rhl.Printf("curl-based fetcher called for '%s'", ctx.SourceUri)
 
@@ -97,7 +117,7 @@ func fetchFileCurl(ctx *Context, res *Result, uri *url.URL) (err error) {
 		easy.Setopt(curl.OPT_FOLLOWLOCATION, true)
 		easy.Setopt(curl.OPT_URL, ctx.SourceUri)
 
-		cbdata := &FetcherCurlCBData{remotename: path.Base(uri.Path)}
+		cbdata := &FetcherCurlCBData{ctx: ctx, res: res, remotename: path.Base(uri.Path)}
 		defer cbdata.Cleanup()
 		if cbdata.basepath, err = ioutil.TempDir(ctx.conf.TempDir, "rhimportd-"); err != nil {
 			return
@@ -110,25 +130,11 @@ func fetchFileCurl(ctx *Context, res *Result, uri *url.URL) (err error) {
 		easy.Setopt(curl.OPT_WRITEDATA, cbdata)
 
 		easy.Setopt(curl.OPT_NOPROGRESS, false)
-		easy.Setopt(curl.OPT_PROGRESSFUNCTION, func(dltotal, dlnow, ultotal, ulnow float64, userdata interface{}) bool {
-			if ctx.Cancel != nil && len(ctx.Cancel) > 0 {
-				rhl.Printf("downloading '%s' got canceled", ctx.SourceUri)
-				res.ResponseCode = http.StatusNoContent
-				res.ErrorString = "canceled"
-				return false
-			}
-
-			if ctx.ProgressCallBack != nil {
-				if keep := ctx.ProgressCallBack(1, "downloading", dlnow/dltotal, ctx.ProgressCallBackData); !keep {
-					ctx.ProgressCallBack = nil
-				}
-			}
-			return true
-		})
-		easy.Setopt(curl.OPT_PROGRESSDATA, ctx)
+		easy.Setopt(curl.OPT_PROGRESSFUNCTION, curlProgressCallback)
+		easy.Setopt(curl.OPT_PROGRESSDATA, cbdata)
 
 		if err = easy.Perform(); err != nil {
-			if cbdata.File != nil {
+			if cbdata.file != nil {
 				rhdl.Printf("Removing stale file: %s", cbdata.filename)
 				os.Remove(cbdata.filename)
 				os.Remove(path.Dir(cbdata.filename))
-- 
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