fix: copy file with long long running ctx

cmd/check.go

@@ -72,16 +72,17 @@ var Check = &cobra.Command{
 
 		logger.Info("start check")
 		defer logger.Info("end check")
+
 		localChan := make(chan backblaze.B2Local)
 		b2Chan := make(chan backblaze.B2Local)
-		doneChan := make(chan interface{}, 1)
-		go b.CompareConcurrent(ctx, backupDir, bucketName, localChan, b2Chan, doneChan)
+		countChan := make(chan int, 1)
+		go b.CompareConcurrent(ctx, backupDir, bucketName, localChan, b2Chan, countChan)
 
 		reportBuilder := strings.Builder{}
+		reportBuilder.WriteString(fmt.Sprintf("Local files within `%s` path already in `%s` bucket:\n", backupDir, bucketName))
+
 		countLocal := 0
 		countB2 := 0
-		countOK := 0
-		reportBuilder.WriteString(fmt.Sprintf("Local files within `%s` path already in `%s` bucket:\n", backupDir, bucketName))
 
 		cloudBuilder := strings.Builder{}
 		cloudBuilder.WriteString(fmt.Sprintf("B2 files within `%s` bucket\n", bucketName))
@@ -95,6 +96,7 @@ var Check = &cobra.Command{
 		localBuilder.WriteString("|----------------------------------------------------------|------------------|--------------------------------|------------------------------------------\n")
 		countNotInCloud := 0
 
+		countOK := 0
 	loop:
 		for {
 			select {
@@ -106,7 +108,7 @@ var Check = &cobra.Command{
 					logger.Error("Operation canceled")
 				}
 				break loop
-			case <-doneChan:
+			case countOK = <-countChan:
 				logger.Debugln("done chan")
 				break loop
 			case localMsg, ok := <-localChan:

cmd/sync.go

@@ -18,6 +18,7 @@ var Sync = &cobra.Command{
 	Short: "Sync files or directories to Backblaze",
 	Long:  `A tool to backup files and directories to Backblaze.`,
 	Run: func(cmd *cobra.Command, args []string) {
+
 		ctx, cancel := context.WithCancel(signalContext(cmd.Context()))
 		defer cancel()
 
@@ -35,6 +36,16 @@ var Sync = &cobra.Command{
 			panic(fmt.Errorf("bucket %w", err))
 		}
 
+		workers, err := cmd.Flags().GetInt("workers")
+		if err != nil {
+			panic(fmt.Errorf("workers %w", err))
+		}
+
+		concurrentUploads, err := cmd.Flags().GetInt("concurrent-uploads")
+		if err != nil {
+			panic(fmt.Errorf("workers %w", err))
+		}
+
 		envFile := ""
 		if os.Getenv("BACKBLAZE_ENV") == "dev" {
 			envFile = kit.RootDir() + "/.env"
@@ -49,7 +60,14 @@ var Sync = &cobra.Command{
 			panic(fmt.Errorf("NewBackBlaze %w", err))
 		}
 
-		bbService = bbService.WithBucket(bucketName).WithDir(dir).WithFile(filePath)
+		bbService = bbService.WithOptions(backblaze.BackBlazeOptions{
+			Bucket:            bucketName,
+			Dir:               dir,
+			FilePath:          filePath,
+			MaxWorkers:        workers,
+			ConcurrentUploads: concurrentUploads,
+		})
+
 		if err := bbService.Sync(ctx); err != nil {
 			panic(fmt.Errorf("bbService.Sync %w", err))
 		}

go.mod

@@ -1,6 +1,6 @@
 module gitea.urkob.com/urko/backblaze-backup
 
-go 1.20
+go 1.21
 
 require (
 	gitea.urkob.com/urko/go-root-dir v0.0.0-20230311113851-2f6d4355888a

go.sum

@@ -21,6 +21,7 @@ cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUM
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/compute v1.19.3 h1:DcTwsFgGev/wV5+q8o2fzgcHOaac+DKGC91ZlvpsQds=
+cloud.google.com/go/compute v1.19.3/go.mod h1:qxvISKp/gYnXkSAD1ppcSOveRAmzxicEv/JlizULFrI=
 cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
 cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
@@ -38,17 +39,25 @@ dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7
 gitea.urkob.com/urko/go-root-dir v0.0.0-20230311113851-2f6d4355888a h1:s73cd3bRR6v0LGiBei841iIolbBJN2tbkUwN54X9vVg=
 gitea.urkob.com/urko/go-root-dir v0.0.0-20230311113851-2f6d4355888a/go.mod h1:mU9nRHl70tBhJFbgKotpoXMV+s0wx+1uJ988p4oEpSo=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.6.0 h1:8kDqDngH+DmVBiCtIjCFTGa7MBnsIOkF9IccInFEbjk=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.6.0/go.mod h1:bjGvMhVMb+EEm3VRNQawDMUyMMjo+S5ewNjflkep/0Q=
 github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.0 h1:vcYCAze6p19qBW7MhZybIsqD8sMV8js0NyQM8JDnVtg=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.0/go.mod h1:OQeznEEkTZ9OrhHJoDD8ZDq51FHgXjqtP9z6bEwBq9U=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.3.0 h1:sXr+ck84g/ZlZUOZiNELInmMgOsuGwdjjVkEIde0OtY=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.3.0/go.mod h1:okt5dMMTOFjX/aovMlrjvvXoPMBVSPzk9185BT0+eZM=
 github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.0.0 h1:u/LLAOFgsMv7HmNL4Qufg58y+qElGOt5qv0z1mURkRY=
+github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.0.0/go.mod h1:2e8rMJtl2+2j+HXbTBwnyGpm5Nou7KhvSfxOq8JpTag=
 github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 h1:mFRzDkZVAjdal+s7s0MwaRv9igoPqLRdzOLzw/8Xvq8=
+github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.0.0 h1:OBhqkivkhkMqLPymWEppkm7vgPQY2XsHoEkaMQ0AdZY=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.0.0/go.mod h1:kgDmCTgBzIEPFElEF+FK0SdjAor06dRq2Go927dnQ6o=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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 github.com/Max-Sum/base32768 v0.0.0-20230304063302-18e6ce5945fd/go.mod h1:C8yoIfvESpM3GD07OCHU7fqI7lhwyZ2Td1rbNbTAhnc=
 github.com/Microsoft/go-winio v0.5.2 h1:a9IhgEQBCUEk6QCdml9CiJGhAws+YwffDHEMp1VMrpA=
+github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
 github.com/Unknwon/goconfig v1.0.0 h1:9IAu/BYbSLQi8puFjUQApZTxIHqSwrj5d8vpP8vTq4A=
+github.com/Unknwon/goconfig v1.0.0/go.mod h1:wngxua9XCNjvHjDiTiV26DaKDT+0c63QR6H5hjVUUxw=
 github.com/abbot/go-http-auth v0.4.0 h1:QjmvZ5gSC7jm3Zg54DqWE/T5m1t2AfDu6QlXJT0EVT0=
 github.com/abbot/go-http-auth v0.4.0/go.mod h1:Cz6ARTIzApMJDzh5bRMSUou6UMSp0IEXg9km/ci7TJM=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -57,12 +66,15 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/aws/aws-sdk-go v1.44.246 h1:iLxPX6JU0bxAci9R6/bp8rX0kL871ByCTx0MZlQWv1U=
+github.com/aws/aws-sdk-go v1.44.246/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
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 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
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+github.com/buengese/sgzip v0.1.1/go.mod h1:i5ZiXGF3fhV7gL1xaRRL1nDnmpNj0X061FQzOS8VMas=
 github.com/calebcase/tmpfile v1.0.3 h1:BZrOWZ79gJqQ3XbAQlihYZf/YCV0H4KPIdM5K5oMpJo=
+github.com/calebcase/tmpfile v1.0.3/go.mod h1:UAUc01aHeC+pudPagY/lWvt2qS9ZO5Zzof6/tIUzqeI=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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@@ -74,6 +86,7 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/colinmarc/hdfs/v2 v2.3.0 h1:tMxOjXn6+7iPUlxAyup9Ha2hnmLe3Sv5DM2qqbSQ2VY=
+github.com/colinmarc/hdfs/v2 v2.3.0/go.mod h1:nsyY1uyQOomU34KVQk9Qb/lDJobN1MQ/9WS6IqcVZno=
 github.com/coreos/go-semver v0.3.1 h1:yi21YpKnrx1gt5R+la8n5WgS0kCrsPp33dmEyHReZr4=
 github.com/coreos/go-semver v0.3.1/go.mod h1:irMmmIw/7yzSRPWryHsK7EYSg09caPQL03VsM8rvUec=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
@@ -81,12 +94,15 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dropbox/dropbox-sdk-go-unofficial/v6 v6.0.5 h1:FT+t0UEDykcor4y3dMVKXIiWJETBpRgERYTGlmMd7HU=
+github.com/dropbox/dropbox-sdk-go-unofficial/v6 v6.0.5/go.mod h1:rSS3kM9XMzSQ6pw91Qgd6yB5jdt70N4OdtrAf74As5M=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
+github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
 github.com/geoffgarside/ber v1.1.0 h1:qTmFG4jJbwiSzSXoNJeHcOprVzZ8Ulde2Rrrifu5U9w=
+github.com/geoffgarside/ber v1.1.0/go.mod h1:jVPKeCbj6MvQZhwLYsGwaGI52oUorHoHKNecGT85ZCc=
 github.com/go-chi/chi/v5 v5.0.8 h1:lD+NLqFcAi1ovnVZpsnObHGW4xb4J8lNmoYVfECH1Y0=
 github.com/go-chi/chi/v5 v5.0.8/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
@@ -104,14 +120,18 @@ github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
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+github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
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@@ -152,6 +172,7 @@ github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -164,29 +185,44 @@ github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hf
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@@ -238,16 +281,24 @@ github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjY
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@@ -279,7 +330,9 @@ github.com/prometheus/procfs v0.7.3/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1
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@@ -298,8 +351,11 @@ github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrf
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@@ -317,28 +373,37 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
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+github.com/xanzy/ssh-agent v0.3.3/go.mod h1:6dzNDKs0J9rVPHPhaGCukekBHKqfl+L3KghI1Bc68Uw=
 github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a h1:fZHgsYlfvtyqToslyjUt3VOPF4J7aK/3MPcK7xp3PDk=
+github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a/go.mod h1:ul22v+Nro/R083muKhosV54bj5niojjWZvU8xrevuH4=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yunify/qingstor-sdk-go/v3 v3.2.0 h1:9sB2WZMgjwSUNZhrgvaNGazVltoFUUfuS9f0uCWtTr8=
+github.com/yunify/qingstor-sdk-go/v3 v3.2.0/go.mod h1:KciFNuMu6F4WLk9nGwwK69sCGKLCdd9f97ac/wfumS4=
 github.com/yusufpapurcu/wmi v1.2.3 h1:E1ctvB7uKFMOJw3fdOW32DwGE9I7t++CRUEMKvFoFiw=
 github.com/yusufpapurcu/wmi v1.2.3/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 github.com/zeebo/blake3 v0.2.3 h1:TFoLXsjeXqRNFxSbk35Dk4YtszE/MQQGK10BH4ptoTg=
+github.com/zeebo/blake3 v0.2.3/go.mod h1:mjJjZpnsyIVtVgTOSpJ9vmRE4wgDeyt2HU3qXvvKCaQ=
 github.com/zeebo/errs v1.3.0 h1:hmiaKqgYZzcVgRL1Vkc1Mn2914BbzB0IBxs+ebeutGs=
+github.com/zeebo/errs v1.3.0/go.mod h1:sgbWHsvVuTPHcqJJGQ1WhI5KbWlHYz+2+2C/LSEtCw4=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
+go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
+go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -562,6 +627,7 @@ google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
+google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -593,6 +659,7 @@ google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20230530153820-e85fd2cbaebc h1:8DyZCyvI8mE1IdLy/60bS+52xfymkE72wv1asokgtao=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc h1:XSJ8Vk1SWuNr8S18z1NZSziL0CPIXLCCMDOEFtHBOFc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -606,6 +673,7 @@ google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3Iji
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
+google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -625,6 +693,7 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 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 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 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=
@@ -647,5 +716,8 @@ rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 storj.io/common v0.0.0-20221123115229-fed3e6651b63 h1:OuleF/3FvZe3Nnu6NdwVr+FvCXjfD4iNNdgfI2kcs3k=
+storj.io/common v0.0.0-20221123115229-fed3e6651b63/go.mod h1:+gF7jbVvpjVIVHhK+EJFhfPbudX395lnPq/dKkj/Qys=
 storj.io/drpc v0.0.32 h1:5p5ZwsK/VOgapaCu+oxaPVwO6UwIs+iwdMiD50+R4PI=
+storj.io/drpc v0.0.32/go.mod h1:6rcOyR/QQkSTX/9L5ZGtlZaE2PtXTTZl8d+ulSeeYEg=
 storj.io/uplink v1.10.0 h1:3hS0hszupHSxEoC4DsMpljaRy0uNoijEPVF6siIE28Q=
+storj.io/uplink v1.10.0/go.mod h1:gJIQumB8T3tBHPRive51AVpbc+v2xe+P/goFNMSRLG4=

internal/services/backblaze/backblaze.go

@@ -3,7 +3,6 @@ package backblaze
 import (
 	"context"
 	"fmt"
-	"runtime"
 
 	"github.com/kurin/blazer/b2"
 	"github.com/sirupsen/logrus"
@@ -11,13 +10,10 @@ import (
 
 type BackBlaze struct {
 	logger   *logrus.Logger
-	bucketName string
+	b2Client *b2.Client
 	bbID     string
 	bbKey    string
-	dir        string
-	filePath   string
-	maxWorkers int
-	b2Client   *b2.Client
+	options  BackBlazeOptions
 }
 
 // NewBackBlaze initializes a new BackBlaze struct with given BackBlaze ID and Key.
@@ -32,19 +28,18 @@ func NewBackBlaze(ctx context.Context, logger *logrus.Logger, bbID, bbKey string
 		b2Client: b2Client,
 		bbID:     bbID,
 		bbKey:    bbKey,
-		maxWorkers: runtime.NumCPU(),
 	}, nil
 }
 
-func (b *BackBlaze) WithBucket(bucketName string) *BackBlaze {
-	b.bucketName = bucketName
-	return b
-}
-func (b *BackBlaze) WithDir(dir string) *BackBlaze {
-	b.dir = dir
-	return b
-}
-func (b *BackBlaze) WithFile(filePath string) *BackBlaze {
-	b.filePath = filePath
+type BackBlazeOptions struct {
+	Bucket            string
+	Dir               string
+	FilePath          string
+	MaxWorkers        int
+	ConcurrentUploads int
+}
+
+func (b *BackBlaze) WithOptions(options BackBlazeOptions) *BackBlaze {
+	b.options = options
 	return b
 }

internal/services/backblaze/check.go

@@ -8,6 +8,7 @@ import (
 	"path"
 	"path/filepath"
 	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/kurin/blazer/b2"
@@ -93,7 +94,12 @@ type B2Local struct {
 // CompareConcurrent concurrently fetches the list of local files and cloud files,
 // then compares them to ensure all local files exist in the cloud.
 // Errors are sent to a provided error channel. The function will panic if an error occurs while listing files.
-func (b *BackBlaze) CompareConcurrent(ctx context.Context, backupDir, bucketName string, localChan chan<- B2Local, b2Chan chan<- B2Local, doneChan chan<- interface{}) {
+func (b *BackBlaze) CompareConcurrent(
+	ctx context.Context,
+	backupDir, bucketName string,
+	localChan, b2Chan chan<- B2Local,
+	doneChan chan<- int,
+) {
 	var wg sync.WaitGroup
 	localFiles := make(map[string]File)
 	cloudFiles := make(map[string]File)
@@ -130,7 +136,7 @@ func (b *BackBlaze) CompareConcurrent(ctx context.Context, backupDir, bucketName
 			defer wg.Done()
 			for f := range b2FileChan {
 				if _, ok := cloudFiles[f.Path]; ok {
-					panic(fmt.Errorf(`cloud file already exists in map: %s\n you should run 'backblazebackup cleanup --bucket "%s"'`, f.Path, b.bucketName))
+					panic(fmt.Errorf(`cloud file already exists in map: %s\n you should run 'backblazebackup cleanup --bucket "%s"'`, f.Path, b.options.Bucket))
 				}
 				b.logger.Debugf("B2 file %+v\n", f)
 				cloudFiles[f.Path] = f
@@ -145,6 +151,7 @@ func (b *BackBlaze) CompareConcurrent(ctx context.Context, backupDir, bucketName
 	wg.Wait()
 
 	// Now check local files that are not present in cloud
+	var count atomic.Int64
 	wg.Add(2)
 	go func() {
 		defer wg.Done()
@@ -155,6 +162,7 @@ func (b *BackBlaze) CompareConcurrent(ctx context.Context, backupDir, bucketName
 			}
 			b.logger.Debugf("localFile %+v\n", localFile)
 			localChan <- B2Local{File: localFile, Err: nil}
+			count.Add(1)
 		}
 	}()
 
@@ -172,5 +180,5 @@ func (b *BackBlaze) CompareConcurrent(ctx context.Context, backupDir, bucketName
 	wg.Wait()
 	close(localChan)
 	close(b2Chan)
-	doneChan <- nil
+	doneChan <- int(count.Load())
 }

internal/services/backblaze/duplicates.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"log"
 	"strings"
 	"sync"
 
@@ -31,7 +30,6 @@ func (b *BackBlaze) ListDuplicateVersions(ctx context.Context, cancel context.Ca
 	if err != nil {
 		return fmt.Errorf("b2.NewClient %w", err)
 	}
-	log.Println("b2Client ok")
 
 	dups, err := b.listDuplicates(ctx, cancel, b2Client)
 	if err != nil {
@@ -57,8 +55,7 @@ func (b *BackBlaze) listDuplicates(ctx context.Context, cancel context.CancelFun
 	wg := sync.WaitGroup{}
 	dups := make([]duplicate, 0)
 
-	log.Println("len(buckets)", len(buckets))
-	sm := semaphore.NewWeighted(int64(b.maxWorkers))
+	sm := semaphore.NewWeighted(int64(b.options.MaxWorkers))
 	wg.Add(len(buckets))
 	for _, bc := range buckets {
 		if err := sm.Acquire(ctx, 1); err != nil {

internal/services/backblaze/sync.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -15,38 +14,44 @@ import (
 	"github.com/kurin/blazer/b2"
 )
 
-const writers = 4
-
 func (b *BackBlaze) Sync(ctx context.Context) error {
-	if b.bucketName == "" && (b.filePath == "" || b.dir == "") {
-		return fmt.Errorf("bucket name is %v | filePath is %v | dir is %v", b.bucketName, b.filePath, b.dir)
+	if b.options.Bucket == "" && (b.options.FilePath == "" || b.options.Dir == "") {
+		return fmt.Errorf("bucket name is %v | filePath is %v | dir is %v", b.options.Bucket, b.options.FilePath, b.options.Dir)
 	}
 
-	if b.filePath != "" && b.dir != "" {
+	if b.options.FilePath != "" && b.options.Dir != "" {
 		return errors.New("you must select just 1 option, dir or file")
 	}
 
-	bc, err := b.b2Client.Bucket(ctx, b.bucketName)
+	bc, err := b.b2Client.Bucket(ctx, b.options.Bucket)
 	if err != nil {
 		return fmt.Errorf("b2Client.Bucket %w", err)
 	}
 
 	if bc == nil {
-		return fmt.Errorf("bucket doesn't exist %s", b.bucketName)
+		return fmt.Errorf("bucket doesn't exist %s", b.options.Bucket)
 	}
 
-	log.Println("bucket found:", bc.Name())
-	if b.filePath != "" {
-		log.Println("file:", b.filePath)
+	b.logger.Infoln("bucket found:", bc.Name())
+	if b.options.FilePath != "" {
+		// Create a separate context for long-running operations
+		longRunningCtx, cancelLongRunningOps := context.WithCancel(context.Background())
+		defer cancelLongRunningOps()
 
-		if err := b.copyFile(ctx, bc, b.filePath); err != nil {
+		b.logger.Infoln("file:", b.options.FilePath)
+
+		if err := b.copyFile(longRunningCtx, bc, b.options.FilePath); err != nil {
 			return fmt.Errorf("copyFile %w", err)
 		}
 		return nil
 	}
 
-	if b.dir != "" {
-		oldFiles, err := b.bucketFiles(ctx, bc)
+	if b.options.Dir != "" {
+		// Create a separate context for long-running operations
+		longRunningCtx, cancelLongRunningOps := context.WithCancel(context.Background())
+		defer cancelLongRunningOps()
+
+		oldFiles, err := b.bucketFiles(longRunningCtx, bc)
 		if err != nil {
 			return fmt.Errorf("bucketFiles %w", err)
 		}
@@ -58,12 +63,12 @@ func (b *BackBlaze) Sync(ctx context.Context) error {
 
 		var wg sync.WaitGroup
 
-		for i := 0; i < b.maxWorkers; i++ {
+		for i := 0; i < b.options.MaxWorkers; i++ {
 			wg.Add(1)
 			go func() {
 				defer wg.Done()
 				for src := range fileChan {
-					if err := b.copyFile(ctx, bc, src); err != nil {
+					if err := b.copyFile(longRunningCtx, bc, src); err != nil {
 						b.logger.Errorf("error copying file %s: %v\n", src, err)
 						continue
 					}
@@ -72,7 +77,7 @@ func (b *BackBlaze) Sync(ctx context.Context) error {
 		}
 
 		// Walk the directory and send files to the channel for uploading
-		err = filepath.WalkDir(b.dir, func(path string, d fs.DirEntry, err error) error {
+		err = filepath.WalkDir(b.options.Dir, func(path string, d fs.DirEntry, err error) error {
 			if err != nil {
 				return err
 			}
@@ -90,7 +95,7 @@ func (b *BackBlaze) Sync(ctx context.Context) error {
 		wg.Wait()
 
 		// Cleanup old files after backup is completed
-		if err := b.cleanBucket(ctx, bc, oldFiles); err != nil {
+		if err := b.cleanBucket(longRunningCtx, bc, oldFiles); err != nil {
 			return fmt.Errorf("cleanBucket %w", err)
 		}
 	}
@@ -110,7 +115,7 @@ func (b *BackBlaze) copyFile(ctx context.Context, bucket *b2.Bucket, src string)
 		return err
 	}
 	w := bucket.Object(fi.Name()).NewWriter(ctx)
-	w.ConcurrentUploads = writers
+	w.ConcurrentUploads = b.options.ConcurrentUploads
 	w.UseFileBuffer = true
 	b.logger.Infoln("start copying ", fi.Name())
 	if _, err := io.Copy(w, f); err != nil {

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"os"
+	"runtime"
 
 	"gitea.urkob.com/urko/backblaze-backup/cmd"
 	"github.com/spf13/cobra"
@@ -19,6 +20,8 @@ func init() {
 	cmd.Sync.PersistentFlags().String("file", "", "absolute path of the file you want to upload to backblaze")
 	cmd.Sync.PersistentFlags().String("dir", "", "absolute path of the directory you want to upload to backblaze")
 	cmd.Sync.PersistentFlags().String("bucket", "", "backblaze bucket name")
+	cmd.Sync.PersistentFlags().Int("workers", runtime.NumCPU(), "The number of worker goroutines that are spawned to handle file processing in parallel. Each worker handles the upload of one file at a time, allowing for efficient use of system resources when dealing with a large number of files. The default value is the number of CPU cores available on the system, enabling the application to automatically scale its parallel processing capabilities based on the available hardware.")
+	cmd.Sync.PersistentFlags().Int("concurrent-uploads", 4, "The number of chunk uploads that can be performed simultaneously for a single file. When a file is uploaded, it might be split into multiple chunks to enable more efficient and reliable data transfer. The concurrent-uploads flag controls how many of these chunks can be uploaded in parallel during a single file upload. This is particularly useful for large files, where parallel chunk uploads can significantly speed up the overall upload time. The default value is 4.")
 
 	cmd.Check.PersistentFlags().String("dir", "", "Specifies the absolute path of the directory containing the backup files to be compared against the Backblaze B2 bucket. This flag is mutually exclusive with the 'file' flag.")
 	cmd.Check.PersistentFlags().String("bucket", "", "Name of the Backblaze B2 bucket against which the local files or directory will be compared.")