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Add automatic resume flag when retrying download with curl #3089

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Oct 27, 2022
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Add automatic resume flag when retrying download with curl #3089

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17 changes: 10 additions & 7 deletions rustup-init.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -607,14 +607,17 @@ check_help_for() {

# Check if curl supports the --retry flag, then pass it to the curl invocation.
check_curl_for_retry_support() {
local _retry_supported=""
# "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
if check_help_for "notspecified" "curl" "--retry"; then
_retry_supported="--retry 3"
fi

RETVAL="$_retry_supported"
local _retry_supported=""
# "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
if check_help_for "notspecified" "curl" "--retry"; then
_retry_supported="--retry 3"
if check_help_for "notspecified" "curl" "--continue-at"; then
# "-C -" tells curl to automatically find where to resume the download when retrying.
_retry_supported="--retry 3 -C -"
fi
fi

RETVAL="$_retry_supported"
}

# Return cipher suite string specified by user, otherwise return strong TLS 1.2-1.3 cipher suites
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