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Merged
NickJosevski merged 1 commit into from
Aug 7, 2026
Merged

build.sh SDK bootstrap tells you what's actually missing #2118

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40 changes: 38 additions & 2 deletions build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -24,17 +24,53 @@ export DOTNET_MULTILEVEL_LOOKUP=0
###########################################################################

function FirstJsonValue {
perl -nle 'print $1 if m{"'"$1"'": "([^"]+)",?}' <<< "${@:2}"
# Stock Nuke shells out to perl. The Amazon Linux execution container does not ship it, so fall
# back to sed rather than dying with "perl: command not found".
if command -v perl &>/dev/null; then
perl -nle 'print $1 if m{"'"$1"'": "([^"]+)",?}' <<< "${@:2}"
else
sed -n 's/.*"'"$1"'"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' <<< "${@:2}" | head -n 1
fi
}

# ----- Octopus Deploy Modification -----
# Stock Nuke assumes curl. The Linux execution containers install wget instead
function DownloadFile {
local url="$1"
local destination="$2"

if command -v curl &>/dev/null; then
curl -Lsfo "$destination" "$url"
elif command -v wget &>/dev/null; then
wget -qO "$destination" "$url"
else
echo "Unable to download $url - neither curl nor wget is available on this machine." >&2
return 1
fi
}

# Without this you get "command not found", makes you think missing tool but it's actually missing SDK
function DotnetBootstrapReason {
if [[ ! -x "$(command -v dotnet)" ]]; then
echo "no 'dotnet' found on PATH"
else
local installed
installed=$(dotnet --list-sdks 2>/dev/null | cut -d' ' -f1 | paste -sd' ' -)
echo "'dotnet --version' failed - global.json likely pins an SDK that is not installed (found: ${installed:-none})"
fi
}
# ----- End Octopus Deploy Modification -----

# If dotnet CLI is installed globally and it matches requested version, use for execution
if [ -x "$(command -v dotnet)" ] && dotnet --version &>/dev/null; then
export DOTNET_EXE="$(command -v dotnet)"
else
echo "Bootstrapping a local .NET SDK: $(DotnetBootstrapReason)"

# Download install script
DOTNET_INSTALL_FILE="$TEMP_DIRECTORY/dotnet-install.sh"
mkdir -p "$TEMP_DIRECTORY"
curl -Lsfo "$DOTNET_INSTALL_FILE" "$DOTNET_INSTALL_URL"
DownloadFile "$DOTNET_INSTALL_URL" "$DOTNET_INSTALL_FILE"
chmod +x "$DOTNET_INSTALL_FILE"

# If global.json exists, load expected version
Expand Down