Handle go 1.15

Author: Chuxel

containers/codespaces-linux/.devcontainer/library-scripts/go-debian.sh

@@ -167,13 +167,21 @@ if [ "${INSTALL_GO_TOOLS}" = "true" ]; then
     export GOPATH=/tmp/gotools
     export GOCACHE=/tmp/gotools/cache
 
-    (echo "${GO_TOOLS}" | xargs -n 1 go install -v )2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
+    # Use go get for versions of go under 1.16
+    go_install_command=install
+    if [[ "1.16" > "$(go version | grep -oP 'go\K[0-9]+\.[0-9]+\.[0-9]+')" ]]; then
+        export GO111MODULE=on
+        go_install_command=get
+        echo "Go version < 1.16, using go get."
+    fi 
+
+    (echo "${GO_TOOLS}" | xargs -n 1 go ${go_install_command} -v )2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
 
     # Move Go tools into path and clean up
     mv /tmp/gotools/bin/* ${TARGET_GOPATH}/bin/
 
     # install dlv-dap (dlv@master)
-    go install -v github.com/go-delve/delve/cmd/dlv@master 2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
+    go ${go_install_command} -v github.com/go-delve/delve/cmd/dlv@master 2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
     mv /tmp/gotools/bin/dlv ${TARGET_GOPATH}/bin/dlv-dap
 
     rm -rf /tmp/gotools

containers/go/.devcontainer/library-scripts/go-debian.sh

@@ -167,13 +167,21 @@ if [ "${INSTALL_GO_TOOLS}" = "true" ]; then
     export GOPATH=/tmp/gotools
     export GOCACHE=/tmp/gotools/cache
 
-    (echo "${GO_TOOLS}" | xargs -n 1 go install -v )2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
+    # Use go get for versions of go under 1.16
+    go_install_command=install
+    if [[ "1.16" > "$(go version | grep -oP 'go\K[0-9]+\.[0-9]+\.[0-9]+')" ]]; then
+        export GO111MODULE=on
+        go_install_command=get
+        echo "Go version < 1.16, using go get."
+    fi 
+
+    (echo "${GO_TOOLS}" | xargs -n 1 go ${go_install_command} -v )2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
 
     # Move Go tools into path and clean up
     mv /tmp/gotools/bin/* ${TARGET_GOPATH}/bin/
 
     # install dlv-dap (dlv@master)
-    go install -v github.com/go-delve/delve/cmd/dlv@master 2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
+    go ${go_install_command} -v github.com/go-delve/delve/cmd/dlv@master 2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
     mv /tmp/gotools/bin/dlv ${TARGET_GOPATH}/bin/dlv-dap
 
     rm -rf /tmp/gotools

script-library/go-debian.sh

@@ -167,13 +167,21 @@ if [ "${INSTALL_GO_TOOLS}" = "true" ]; then
     export GOPATH=/tmp/gotools
     export GOCACHE=/tmp/gotools/cache
 
-    (echo "${GO_TOOLS}" | xargs -n 1 go install -v )2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
+    # Use go get for versions of go under 1.16
+    go_install_command=install
+    if [[ "1.16" > "$(go version | grep -oP 'go\K[0-9]+\.[0-9]+\.[0-9]+')" ]]; then
+        export GO111MODULE=on
+        go_install_command=get
+        echo "Go version < 1.16, using go get."
+    fi 
+
+    (echo "${GO_TOOLS}" | xargs -n 1 go ${go_install_command} -v )2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
 
     # Move Go tools into path and clean up
     mv /tmp/gotools/bin/* ${TARGET_GOPATH}/bin/
 
     # install dlv-dap (dlv@master)
-    go install -v github.com/go-delve/delve/cmd/dlv@master 2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
+    go ${go_install_command} -v github.com/go-delve/delve/cmd/dlv@master 2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
     mv /tmp/gotools/bin/dlv ${TARGET_GOPATH}/bin/dlv-dap
 
     rm -rf /tmp/gotools