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Implement fallback logic for go script #1302

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Feb 10, 2022
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Implement fallback logic for go script #1302

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34 changes: 30 additions & 4 deletions script-library/go-debian.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -164,8 +164,28 @@ if [ "${TARGET_GO_VERSION}" != "none" ] && ! type go > /dev/null 2>&1; then
curl -sSL -o /tmp/tmp-gnupg/golang_key "${GO_GPG_KEY_URI}"
gpg -q --import /tmp/tmp-gnupg/golang_key
echo "Downloading Go ${TARGET_GO_VERSION}..."
curl -sSL -o /tmp/go.tar.gz "https://golang.org/dl/go${TARGET_GO_VERSION}.linux-${architecture}.tar.gz"
curl -sSL -o /tmp/go.tar.gz.asc "https://golang.org/dl/go${TARGET_GO_VERSION}.linux-${architecture}.tar.gz.asc"
set +e
curl -fsSL -o /tmp/go.tar.gz https://golang.org/dl/go1.177.linux-amd64.tar.gz
set -e
if [ ! -s "/tmp/go.tar.gz" ] || [ "$?" != "0" ]; then
echo "(!) Download failed."
# Try one break fix version number less if we get a failure
major="$(echo "${TARGET_GO_VERSION}" | grep -oE '^[0-9]+')"
minor="$(echo "${TARGET_GO_VERSION}" | grep -oP '^[0-9]+\.\K[0-9]+')"
breakfix="$(echo "${TARGET_GO_VERSION}" | grep -oP '^[0-9]+\.[0-9]+\.\K[0-9]+' 2>/dev/null)"
if [ "${breakfix}" = "" ] || [ "${breakfix}" = "0" ]; then
((minor=minor-1))
TARGET_GO_VERSION="${major}.${minor}"
find_version_from_git_tags TARGET_GO_VERSION "https://go.googlesource.com/go" "tags/go" "." "true"
else
((breakfix=breakfix-1))
TARGET_GO_VERSION="${major}.${minor}.${breakfix}"
fi
echo "Trying ${TARGET_GO_VERSION}..."
curl -fsSL -o /tmp/go.tar.gz "https://golang.org/dl/go${TARGET_GO_VERSION}.linux-${architecture}.tar.gz"
fi
set -e
curl -fsSL -o /tmp/go.tar.gz.asc "https://golang.org/dl/go${TARGET_GO_VERSION}.linux-${architecture}.tar.gz.asc"
gpg --verify /tmp/go.tar.gz.asc /tmp/go.tar.gz
echo "Extracting Go ${TARGET_GO_VERSION}..."
tar -xzf /tmp/go.tar.gz -C "${TARGET_GOROOT}" --strip-components=1
Expand Down Expand Up @@ -207,9 +227,15 @@ if [ "${INSTALL_GO_TOOLS}" = "true" ]; then
# Move Go tools into path and clean up
mv /tmp/gotools/bin/* ${TARGET_GOPATH}/bin/

# install dlv-dap (dlv@master)
# install dlv-dap (dlv@master) - but do not exit on failure
set +e
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
set -e
if [ -e "/tmp/gotools/bin/dlv" ]; then
mv /tmp/gotools/bin/dlv ${TARGET_GOPATH}/bin/dlv-dap
else
echo "(*) Failed to install github.com/go-delve/delve/cmd/dlv@master. Skipping."
fi

rm -rf /tmp/gotools
fi
Expand Down