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Diagnostic: print PWD before nvm install #31

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Diagnostic: print PWD before nvm install #31

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d301a44
Diagnostic: print PWD before nvm install
mokagio Jun 30, 2026
47022cb
Diagnostic v2: report PWD verdict and return early
mokagio Jun 30, 2026
fc153a4
Diagnostic v3: bisect the hang with staged flushes
mokagio Jun 30, 2026
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27 changes: 19 additions & 8 deletions hooks/pre-command
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Original file line number Diff line number Diff line change
Expand Up @@ -41,19 +41,30 @@ echo "Installing nvm in $NVM_DIR"

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.4/install.sh | PROFILE=/dev/null bash

# DIAGNOSTIC v3 (temporary): bisect where the Windows hang is. A padding block
# fills the stdio buffer (which never flushes while the process hangs), forcing
# a flush BEFORE each risky step so a later hang can't erase earlier readings.
# Search the log for "[diag]". The last [diag] STAGE seen pinpoints the hang.
diag_flush() { awk 'BEGIN { for (i = 0; i < 4000; i++) print "[pad] flush " i }'; }
diag_trim_noop() { [ "${PWD%/*}" = "$PWD" ] && echo YES || echo NO; }

printf '[diag] STAGE raw: PWD=%s trim-noop=%s\n' "$PWD" "$(diag_trim_noop)"
printf '[diag] STAGE about-to-normalize\n'
diag_flush

nvm_plugin_normalize_windows_pwd_for_nvm
printf '[diag] STAGE normalized: PWD=%s trim-noop=%s\n' "$PWD" "$(diag_trim_noop)"
printf '[diag] STAGE about-to-source\n'
diag_flush

# shellcheck source=/dev/null
source "$NVM_DIR/nvm.sh" --no-use
printf '[diag] STAGE sourced-ok\n'
diag_flush

printf '[diag] STAGE all-clear: neither normalize nor source hung\n'
return 0

echo "~~~ :node: Installing Node.js"
install_args=("--no-progress")
if [[ -n ${BUILDKITE_PLUGIN_NVM_VERSION:-} ]]; then
echo "Installing Node.js version ${BUILDKITE_PLUGIN_NVM_VERSION}"
install_args+=("${BUILDKITE_PLUGIN_NVM_VERSION}")
else
echo "Installing Node.js version specified in the .nvmrc file"
fi
nvm install "${install_args[@]}"

echo "~~~ :node: Activating Node.js"
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