Go mod vendor

Signed-off-by: Shengjing Zhu <zhsj@debian.org>

vendor/github.com/containerd/btrfs/.gitignore

@@ -0,0 +1,25 @@
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+bin/
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof

vendor/github.com/containerd/btrfs/.travis.yml

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+dist: bionic
+language: go
+
+go:
+  - "1.13.x"
+  - "1.15.x"
+
+before_install:
+    - sudo apt-get update
+    - sudo apt-get install -y btrfs-tools linux-headers-generic
+    - dpkg -L btrfs-tools
+    - ls /usr/include/btrfs
+
+install:
+    - GO111MODULE="on" go mod vendor
+    - go get -u github.com/vbatts/git-validation
+    - go get -u github.com/kunalkushwaha/ltag
+
+before_script:
+    - pushd ..; git clone https://github.com/containerd/project; popd
+
+script:
+    - DCO_VERBOSITY=-q ../project/script/validate/dco
+    - ../project/script/validate/fileheader ../project/

vendor/github.com/containerd/btrfs/Makefile

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+#   Copyright The containerd Authors.
+
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+
+#       http://www.apache.org/licenses/LICENSE-2.0
+
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+
+.PHONY: clean binaries generate lint vet test
+all: vet lint test binaries
+
+binaries: bin/btrfs-test
+
+vet:
+	go vet ./...
+
+lint:
+	golint ./...
+
+test:
+	go test -v ./...
+
+bin/%: ./cmd/% *.go
+	go build -o ./$@ ./$<
+
+clean:
+	rm -rf bin/*

vendor/github.com/containerd/btrfs/go.sum

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+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=