backend/b2: Support Multi-Bucket Application Keys (#22104)

build.go

@@ -59,7 +59,7 @@ var config = Config{
 	// see https://github.com/googleapis/google-cloud-go/issues/11448
 	DefaultBuildTags: []string{"selfupdate", "disable_grpc_modules"}, // specify build tags which are always used
 	Tests:            []string{"./..."},                              // tests to run
-	MinVersion:       GoVersion{Major: 1, Minor: 26, Patch: 0},       // minimum Go version supported
+	MinVersion:       GoVersion{Major: 1, Minor: 26, Patch: 10},      // minimum Go version supported
 }
 
 // Config configures the build.

changelog/unreleased/issue-5741

@@ -0,0 +1,8 @@
+Enhancement: Support Multi-Bucket Application Keys in the `b2` backend
+
+The `b2` backend now supports Backblaze B2 Multi-Bucket Application Keys,
+including single-bucket keys created through the multi-bucket API (for
+example by the Backblaze Terraform provider).
+
+https://github.com/restic/restic/issues/5741
+https://github.com/restic/restic/pull/22104

changelog/unreleased/pull-22104

@@ -0,0 +1,7 @@
+Change: Require Go 1.26.10 or newer
+
+Restic now requires Go 1.26.10 or newer to build, as the library used to
+access the B2 backend requires it.
+
+https://github.com/restic/restic/pull/22104
+https://github.com/restic/restic/pull/22121

changelog/unreleased/pull-22121

@@ -1,5 +0,0 @@
-Change: Require Go 1.26 or newer
-
-Building restic now requires Go 1.26 or newer.
-
-https://github.com/restic/restic/pull/22121

doc/020_installation.rst

@@ -305,7 +305,7 @@ From source
 ***********
 
 restic is written in the Go programming language and you need at least
-Go version 1.26. Building restic may also work with older versions of Go,
+Go version 1.26.10. Building restic may also work with older versions of Go,
 but that's not supported. See the `Getting
 started <https://go.dev/doc/install>`__ guide of the Go project for
 instructions how to install Go.

go.mod

@@ -1,8 +1,6 @@
 module github.com/restic/restic
 
-go 1.26.0
-
-toolchain go1.26.9
+go 1.26.10
 
 // keep the old behavior for reparse points on windows until handling reparse points has been improved in restic
 // https://forum.restic.net/t/windows-junction-backup-with-go1-23-or-later/8940
@@ -13,7 +11,7 @@ require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.23.1
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.14.1
 	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.8.1
-	github.com/Backblaze/blazer v0.7.2
+	github.com/Backblaze/blazer v0.9.0
 	github.com/Microsoft/go-winio v0.6.2
 	github.com/ProtonMail/go-crypto v1.5.2
 	github.com/anacrolix/fuse v0.3.1

go.sum

@@ -36,8 +36,8 @@ github.com/AzureAD/microsoft-authentication-extensions-for-go/cache v0.1.1 h1:WJ
 github.com/AzureAD/microsoft-authentication-extensions-for-go/cache v0.1.1/go.mod h1:tCcJZ0uHAmvjsVYzEFivsRTN00oz5BEsRgQHu5JZ9WE=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.8.0 h1:Nljr4q1GRA/5vCrMONS+g4u4LRHNgOXVSh3O43J2CnI=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.8.0/go.mod h1:Y33QHnf0FfdVewFFISOGe20mkZbxX4H839o955/PoeI=
-github.com/Backblaze/blazer v0.7.2 h1:UWNHMLB+Nf+UmbO2qkVvgriODLEMz4kIyr2Hm+DVXQM=
-github.com/Backblaze/blazer v0.7.2/go.mod h1:T4y3EYa9IQ5J0PKc/C/J8/CEnSd3qa/lgNw938wZg10=
+github.com/Backblaze/blazer v0.9.0 h1:413rZHO8Vnpfjygrfxt8AO56LD6lE4w334MZIpnxdAs=
+github.com/Backblaze/blazer v0.9.0/go.mod h1:/JlJELHVlJWBwHknmVqQ92zYyVm0s4EI+Cn3XU6IgCc=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.35.0 h1:bN1gA3of5bXtbnLsRPrwfmbbe7A5UWFlcTHseujLnpc=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.35.0/go.mod h1:Yj5vHEz/aAepZGliRJsA6uvHAVAQyEwajq9ORCHPxzM=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.57.0 h1:jLdiS1vO+XJFyDSWRHBx56r4s/NNtcl5J6KyCcWUX/w=