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fix(output): separate the stdout and stderr logs #186

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Merged
sethvargo merged 1 commit into from
Aug 15, 2025
Merged

fix(output): separate the stdout and stderr logs #186

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38 changes: 29 additions & 9 deletions action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,9 @@ outputs:
summary:
description: 'The summarized output from the Gemini CLI execution.'
value: '${{ steps.gemini_run.outputs.gemini_response }}'
error:
description: 'The error output from the Gemini CLI execution, if any.'
value: '${{ steps.gemini_run.outputs.gemini_errors }}'

runs:
using: 'composite'
Expand Down Expand Up @@ -149,22 +152,20 @@ runs:

# Create a temporary directory for storing the output, and ensure it's
# cleaned up later
TEMP_OUTPUT="$(mktemp -p "${RUNNER_TEMP}" gemini.XXXXXXXXXX)"
TEMP_STDOUT="$(mktemp -p "${RUNNER_TEMP}" gemini-out.XXXXXXXXXX)"
TEMP_STDERR="$(mktemp -p "${RUNNER_TEMP}" gemini-err.XXXXXXXXXX)"
function cleanup {
rm -f "${TEMP_OUTPUT}"
rm -f "${TEMP_STDOUT}" "${TEMP_STDERR}"
}
trap cleanup EXIT

# Run Gemini CLI with the provided prompt
if ! gemini --yolo --prompt "${PROMPT}" &> "${TEMP_OUTPUT}"; then
GEMINI_RESPONSE="$(cat "${TEMP_OUTPUT}")"
FIRST_LINE="$(echo "${GEMINI_RESPONSE}" | head -n1)"
echo "::error title=Gemini CLI execution failed::${FIRST_LINE}"
echo "${GEMINI_RESPONSE}"
exit 1
FAILED=false
if ! gemini --yolo --prompt "${PROMPT}" 2> "${TEMP_STDERR}" 1> "${TEMP_STDOUT}"; then
FAILED=true
fi

GEMINI_RESPONSE="$(cat "${TEMP_OUTPUT}")"
GEMINI_RESPONSE="$(cat "${TEMP_STDOUT}")"

# Print the response
echo "::group::Gemini response"
Expand All @@ -175,6 +176,25 @@ runs:
echo "gemini_response<<EOF" >> "${GITHUB_OUTPUT}"
echo "${GEMINI_RESPONSE}" >> "${GITHUB_OUTPUT}"
echo "EOF" >> "${GITHUB_OUTPUT}"

GEMINI_ERRORS="$(cat "${TEMP_STDERR}")"

# Print any errors
echo "::group::Gemini error messages"
echo "${GEMINI_ERRORS}"
echo "::endgroup::"

# Set the captured errors as a step output, supporting multiline
echo "gemini_errors<<EOF" >> "${GITHUB_OUTPUT}"
echo "${GEMINI_ERRORS}" >> "${GITHUB_OUTPUT}"
echo "EOF" >> "${GITHUB_OUTPUT}"

if [[ "${FAILED}" = true ]]; then
LAST_LINE="$(echo "${GEMINI_ERRORS}" | tail -n1)"
echo "::error title=Gemini CLI execution failed::${LAST_LINE}"
echo "See logs for more details"
exit 1
fi
env:
GEMINI_API_KEY: '${{ inputs.gemini_api_key }}'
SURFACE: 'GitHub'
Expand Down
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