add build caching

.gitattributes

@@ -1,3 +1,7 @@
 # Ignore generated files in GitHub language statistics and diffs
 /MANUAL.* linguist-generated=true
 /rclone.1 linguist-generated=true
+
+# Don't fiddle with the line endings of test data
+**/testdata/** -text
+**/test/** -text

azure-pipelines.yml

@@ -9,21 +9,6 @@ trigger:
 
 strategy:
   matrix:
-    go1.9:
-      imageName: ubuntu-16.04
-      gorootDir: /usr/local
-      GO_VERSION: go1.9.7
-      MAKE_QUICKTEST: true
-    go1.10:
-      imageName: ubuntu-16.04
-      gorootDir: /usr/local
-      GO_VERSION: go1.10.8
-      MAKE_QUICKTEST: true
-    go1.11:
-      imageName: ubuntu-16.04
-      gorootDir: /usr/local
-      GO_VERSION: go1.11.8
-      MAKE_QUICKTEST: true
     linux:
       imageName: ubuntu-16.04
       gorootDir: /usr/local
@@ -33,6 +18,22 @@ strategy:
       MAKE_CHECK: true
       MAKE_QUICKTEST: true
       DEPLOY: true
+    mac:
+      imageName: macos-10.13
+      gorootDir: /usr/local
+      GO_VERSION: latest
+      GOTAGS: ""  # cmount doesn't work on osx travis for some reason
+      BUILD_FLAGS: '-include "^darwin/" -cgo'
+      MAKE_QUICKTEST: true
+      RACEMAKE_QUICKTEST: true
+      DEPLOY: true
+    windows:
+      imageName: windows-2019
+      gorootDir: C:\
+      GO_VERSION: latest
+      BUILD_FLAGS: '-include "^windows/amd64" -cgo' # 386 doesn't build yet
+      MAKE_QUICKTEST: true
+      DEPLOY: true
     other_os:
       imageName: ubuntu-16.04
       gorootDir: /usr/local
@@ -48,22 +49,22 @@ strategy:
       GOPROXY: https://proxy.golang.org
       MAKE_QUICKTEST: true
       RACEMAKE_QUICKTEST: true
-    mac:
-      imageName: macos-10.13
+    go1.9:
+      imageName: ubuntu-16.04
       gorootDir: /usr/local
-      GO_VERSION: latest
-      GOTAGS: ""  # cmount doesn't work on osx travis for some reason
-      BUILD_FLAGS: '-include "^darwin/" -cgo'
+      GOCACHE: ''               # build caching only came in go1.10
+      GO_VERSION: go1.9.7
       MAKE_QUICKTEST: true
-      RACEMAKE_QUICKTEST: true
-      DEPLOY: true
-    windows:
-      imageName: windows-2019
-      gorootDir: C:\
-      GO_VERSION: latest
-      BUILD_FLAGS: '-include "^windows/amd64" -cgo' # 386 doesn't build yet
+    go1.10:
+      imageName: ubuntu-16.04
+      gorootDir: /usr/local
+      GO_VERSION: go1.10.8
+      MAKE_QUICKTEST: true
+    go1.11:
+      imageName: ubuntu-16.04
+      gorootDir: /usr/local
+      GO_VERSION: go1.11.8
       MAKE_QUICKTEST: true
-      DEPLOY: true
 
 pool:
   vmImage: $(imageName)
@@ -71,6 +72,7 @@ pool:
 variables:
   GOROOT: $(gorootDir)/go
   GOPATH: $(system.defaultWorkingDirectory)/gopath
+  GOCACHE: $(system.defaultWorkingDirectory)/gocache
   GOBIN: $(GOPATH)/bin
   modulePath: '$(GOPATH)/src/github.com/$(build.repository.name)'
   GO111MODULE: 'off'
@@ -97,6 +99,23 @@ steps:
       mv !(gopath) '$(modulePath)'
     displayName: Remove old Go, set GOBIN/GOROOT, and move project into GOPATH
 
+  - task: CacheBeta@0
+    continueOnError: true
+    inputs:
+      key: go-build-cache | $(Agent.JobName)
+      path: $(GOCACHE)
+    displayName: Cache go build
+    condition: ne( variables['GOCACHE'], '' )
+
+  - bash: |
+      mkdir -p $(GOCACHE)
+      echo "not empty" > $(GOCACHE)/not_empty.txt
+      echo "GOCACHE=" $(GOCACHE)
+      ls -R $(GOCACHE)
+    continueOnError: true
+    displayName: Create cache dir
+    condition: ne( variables['GOCACHE'], '' )
+    
   # Install Libraries (varies by platform)
 
   - bash: |
@@ -144,6 +163,8 @@ steps:
     condition: eq( variables['Agent.OS'], 'Windows_NT' )
     displayName: Install Go on Windows
 
+  # Display environment for debugging
+
   - bash: |
       printf "Using go at: $(which go)\n"
       printf "Go version: $(go version)\n"
@@ -156,7 +177,9 @@ steps:
     workingDirectory: '$(modulePath)'
     displayName: Print Go version and environment
 
-  - script: |
+  # Run Tests
+
+  - bash: |
       make
       make quicktest
     workingDirectory: '$(modulePath)'