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fix(scripts): clarify cache-busting behavior

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Signed-off-by: Solomon Wakhungu <65043605+1solomonwakhungu@users.noreply.github.com>
This commit is contained in:
Solomon Wakhungu
2026-07-27 13:55:05 -05:00
parent bbaf420a10
commit bc0114c708
2 changed files with 4 additions and 2 deletions
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3
scripts/get-helm-3
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@@ -114,12 +114,13 @@ verifySupported() {
checkDesiredVersion() {
if [ "x$DESIRED_VERSION" == "x" ]; then
# Get tag from release URL
# Cache behavior is provider-specific, so this mitigation is best effort.
# The current CDN does not revalidate on the request no-cache directive,
# so use a unique query while retaining no-cache for compliant intermediaries.
local latest_release_url="https://get.helm.sh/helm3-latest-version?ts=$(date +%s)"
local latest_release_response=""
if [ "${HAS_CURL}" == "true" ]; then
latest_release_response=$( curl -L --silent --show-error --fail -H "Cache-Control: no-cache" "$latest_release_url" 2>&1 || true )
latest_release_response=$( curl -L --silent --show-error --fail --header "Cache-Control: no-cache" "$latest_release_url" 2>&1 || true )
elif [ "${HAS_WGET}" == "true" ]; then
latest_release_response=$( wget "$latest_release_url" --header="Cache-Control: no-cache" -q -O - 2>&1 || true )
fi

3
scripts/get-helm-4
View File

@@ -114,12 +114,13 @@ verifySupported() {
checkDesiredVersion() {
if [ "x$DESIRED_VERSION" == "x" ]; then
# Get tag from release URL
# Cache behavior is provider-specific, so this mitigation is best effort.
# The current CDN does not revalidate on the request no-cache directive,
# so use a unique query while retaining no-cache for compliant intermediaries.
local latest_release_url="https://get.helm.sh/helm4-latest-version?ts=$(date +%s)"
local latest_release_response=""
if [ "${HAS_CURL}" == "true" ]; then
latest_release_response=$( curl -L --silent --show-error --fail -H "Cache-Control: no-cache" "$latest_release_url" 2>&1 || true )
latest_release_response=$( curl -L --silent --show-error --fail --header "Cache-Control: no-cache" "$latest_release_url" 2>&1 || true )
elif [ "${HAS_WGET}" == "true" ]; then
latest_release_response=$( wget "$latest_release_url" --header="Cache-Control: no-cache" -q -O - 2>&1 || true )
fi